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%{
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%{
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#include
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#include
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#include
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#include
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#include
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#include
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extern int yylex();
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extern int yylex();
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extern int yyparse();
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extern int yyparse();
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extern int yyerror(const char *);
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extern int yyerror(const char *);
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extern FILE * out;
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extern FILE * out;
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extern FILE * list;
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extern FILE * list;
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extern FILE * sym;
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extern FILE * sym;
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extern FILE * ihx;
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extern FILE * ihx;
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static void write_intel_hex(FILE * out);
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static void write_intel_hex(FILE * out);
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int PC = 0;
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int PC = 0;
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int reloc_start = 0; // first PC
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int reloc_start = 0; // first PC
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int reloc_last = 0; // last PC
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int reloc_last = 0; // last PC
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int reloc_end = 0; // end of reloc
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int reloc_end = 0; // end of reloc
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char memory[0x10000];
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char memory[0x10000];
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unsigned int mem_idx = 0;
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unsigned int mem_idx = 0;
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enum ExHow { EX_NAME, EX_NUMBER,
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enum ExHow { EX_NAME, EX_NUMBER,
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EX_ADD, EX_SUB, EX_MULT, EX_DIV, EX_MOD };
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EX_ADD, EX_SUB, EX_MULT, EX_DIV, EX_MOD };
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class Expression
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class Expression
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{
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{
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public:
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public:
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Expression(const char * n)
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Expression(const char * n)
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: how(EX_NAME),
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: how(EX_NAME),
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ex(0),
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ex(0),
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name(n),
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name(n),
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number(0)
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number(0)
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{};
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{};
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Expression(int n)
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Expression(int n)
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: how(EX_NUMBER),
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: how(EX_NUMBER),
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ex(0),
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ex(0),
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name(0),
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name(0),
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number(n)
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number(n)
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{};
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{};
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Expression(Expression * e, ExHow h, const char * n)
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Expression(Expression * e, ExHow h, const char * n)
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: how(h),
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: how(h),
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ex(e),
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ex(e),
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name(n),
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name(n),
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number(0)
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number(0)
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{};
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{};
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Expression(Expression * e, ExHow h, int n)
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Expression(Expression * e, ExHow h, int n)
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: how(h),
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: how(h),
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ex(e),
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ex(e),
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name(0),
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name(0),
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number(n)
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number(n)
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{};
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{};
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int GetValue() const;
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int GetValue() const;
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int ListBase() const;
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int ListBase() const;
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bool UsesName() const
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bool UsesName() const
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{
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{
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if (how == EX_NAME) return true;
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if (how == EX_NAME) return true;
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if (how == EX_NUMBER) return false;
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if (how == EX_NUMBER) return false;
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assert(ex);
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assert(ex);
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return ex->UsesName();
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return ex->UsesName();
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}
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}
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private:
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private:
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const ExHow how;
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const ExHow how;
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Expression * ex;
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Expression * ex;
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const char * name;
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const char * name;
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int number;
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int number;
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};
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};
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enum OP_BASE
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enum OP_BASE
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{
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{
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EXPR,
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EXPR,
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REG_RR, REG_RU, REG_RS, REG_R,
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REG_RR, REG_RU, REG_RS, REG_R,
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REG_LL, REG_LU, REG_LS, REG_L,
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REG_LL, REG_LU, REG_LS, REG_L,
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REG_SP,
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REG_SP,
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COND_Z,
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COND_Z,
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COND_NZ
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COND_NZ
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};
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};
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enum OP_ATTR
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enum OP_ATTR
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{
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{
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ATT_NONE,
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ATT_NONE,
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ATT_POSTINC,
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ATT_POSTINC,
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ATT_PREDEC,
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ATT_PREDEC,
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ATT_OFFSET,
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ATT_OFFSET,
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ATT_CONTENT,
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ATT_CONTENT,
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ATT_PORT,
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ATT_PORT,
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ATT_ADDR,
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ATT_ADDR,
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ATT_IMM,
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ATT_IMM,
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};
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};
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enum OP_HOW
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enum OP_HOW
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{
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{
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H_NONE = 0, // unique opcode
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H_NONE = 0, // unique opcode
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H_BYTE = 1,
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H_BYTE = 1,
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H_PORT = 2, // #byte
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H_PORT = 2, // #byte
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H_WORD = 3, // #word
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H_WORD = 3, // #word
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H_sBW = 4, // signed #byte (01X) or #word (10X)
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H_sBW = 4, // signed #byte (01X) or #word (10X)
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H_uBW = 5, // unsigned #byte (01X) or #word (10X)
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H_uBW = 5, // unsigned #byte (01X) or #word (10X)
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H_sQBW = 6, // signed quick or #byte (01X) or #word (10X)
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H_sQBW = 6, // signed quick or #byte (01X) or #word (10X)
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H_uQBW = 7, // unsigned quick or #byte (01X) or #word (10X)
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H_uQBW = 7, // unsigned quick or #byte (01X) or #word (10X)
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};
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};
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class Operand
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class Operand
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{
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{
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public:
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public:
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Operand(OP_BASE b, const char * txt)
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Operand(OP_BASE b, const char * txt)
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: base(b), attr(ATT_NONE), expr(0), op_text(txt), offset(0) {};
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: base(b), attr(ATT_NONE), expr(0), op_text(txt), offset(0) {};
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Operand(Expression * ex)
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Operand(Expression * ex)
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: base(EXPR), attr(ATT_NONE), expr(ex), op_text(0), offset(0) {};
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: base(EXPR), attr(ATT_NONE), expr(ex), op_text(0), offset(0) {};
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Operand * PostInc()
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Operand * PostInc()
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{
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{
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assert(attr == ATT_NONE);
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assert(attr == ATT_NONE);
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attr = ATT_POSTINC;
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attr = ATT_POSTINC;
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return this;
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return this;
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};
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};
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Operand * PreDec()
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Operand * PreDec()
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{
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{
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assert(attr == ATT_NONE);
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assert(attr == ATT_NONE);
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attr = ATT_PREDEC;
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attr = ATT_PREDEC;
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return this;
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return this;
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};
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};
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Operand * Content()
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Operand * Content()
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{
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{
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assert(base == REG_RR || base == REG_LL);
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assert(base == REG_RR || base == REG_LL);
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assert(attr == ATT_NONE);
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assert(attr == ATT_NONE);
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attr = ATT_CONTENT;
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attr = ATT_CONTENT;
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return this;
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return this;
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};
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};
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Operand * Offset(Operand * offs)
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Operand * Offset(Operand * offs)
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{
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{
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assert(base != EXPR);
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assert(base != EXPR);
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assert(attr == ATT_NONE);
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assert(attr == ATT_NONE);
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attr = ATT_OFFSET;
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attr = ATT_OFFSET;
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assert(offs->base == EXPR);
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assert(offs->base == EXPR);
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assert(offs->attr == ATT_NONE);
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assert(offs->attr == ATT_NONE);
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assert(offset == 0);
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assert(offset == 0);
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offset = offs;
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offset = offs;
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return this;
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return this;
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};
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};
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Operand * Port()
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Operand * Port()
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{
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{
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assert(base == EXPR);
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assert(base == EXPR);
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assert(attr == ATT_NONE);
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assert(attr == ATT_NONE);
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attr = ATT_PORT;
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attr = ATT_PORT;
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return this;
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return this;
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};
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};
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Operand * AbsAddr()
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Operand * AbsAddr()
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{
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{
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assert(base == EXPR);
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assert(base == EXPR);
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assert(attr == ATT_NONE);
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assert(attr == ATT_NONE);
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attr = ATT_ADDR;
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attr = ATT_ADDR;
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return this;
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return this;
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};
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};
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Operand * Immediate()
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Operand * Immediate()
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{
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{
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assert(base == EXPR);
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assert(base == EXPR);
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assert(attr == ATT_NONE);
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assert(attr == ATT_NONE);
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attr = ATT_IMM;
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attr = ATT_IMM;
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return this;
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return this;
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};
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};
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int GetLength(OP_HOW how);
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int GetLength(OP_HOW how);
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int GetValue();
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int GetValue();
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int ListHex(OP_HOW how);
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int ListHex(OP_HOW how);
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int List(OP_HOW how);
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int List(OP_HOW how);
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int ListBase(OP_HOW how);
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int ListBase(OP_HOW how);
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private:
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private:
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OP_BASE base;
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OP_BASE base;
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OP_ATTR attr;
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OP_ATTR attr;
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Operand * offset;
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Operand * offset;
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const char * op_text; // scanned text
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const char * op_text; // scanned text
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Expression * expr;
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Expression * expr;
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};
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};
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class Opcode
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class Opcode
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{
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{
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public:
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public:
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Opcode(OP_HOW how, unsigned int opc, const char * txt,
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Opcode(OP_HOW how, unsigned int opc, const char * txt,
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Operand * op1 = 0, Operand * op2 = 0)
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Operand * op1 = 0, Operand * op2 = 0)
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: op_how(how),
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: op_how(how),
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op_code(opc),
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op_code(opc),
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op_text(txt),
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op_text(txt),
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op_1(op1),
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op_1(op1),
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op_2(op2),
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op_2(op2),
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reloc(reloc_end) {};
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reloc(reloc_end) {};
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int GetLength() const;
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int GetLength() const;
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int GetOpcode(int & len) const;
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int GetOpcode(int & len) const;
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int List(int pc);
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int List(int pc);
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void Error() const;
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void Error() const;
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private:
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private:
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OP_HOW op_how;
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OP_HOW op_how;
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unsigned char op_code;
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unsigned char op_code;
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const char * op_text; // opcode text
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const char * op_text; // opcode text
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Operand * op_1; // oerand 1
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Operand * op_1; // oerand 1
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Operand * op_2; // oerand 2
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Operand * op_2; // oerand 2
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bool reloc; // true if relocated
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bool reloc; // true if relocated
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};
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};
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int Reloc(bool rloc, int value)
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int Reloc(bool rloc, int value)
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{
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{
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if (!rloc) return value;
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if (!rloc) return value;
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return value + reloc_end - reloc_last;
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return value + reloc_end - reloc_last;
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}
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}
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class Symbol
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class Symbol
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{
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{
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public:
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public:
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static void Add(const char * id, Expression * ex, bool lab, bool reloc);
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static void Add(const char * id, Expression * ex, bool lab, bool reloc);
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static void ListNonlabels();
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static void ListNonlabels();
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static int GetValue(const char * id);
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static int GetValue(const char * id);
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static void Reset() { current = symbols; };
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static void Reset() { current = symbols; };
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static void PrintSymbols();
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static void PrintSymbols();
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static void Advance(int pc);
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static void Advance(int pc);
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|
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private:
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private:
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Symbol(const char * id, Expression * ex, bool lab, bool rloc)
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Symbol(const char * id, Expression * ex, bool lab, bool rloc)
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: identifier(id),
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: identifier(id),
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expr(ex),
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expr(ex),
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label(lab),
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label(lab),
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reloc(rloc),
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reloc(rloc),
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tail(0) {};
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tail(0) {};
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const char * identifier;
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const char * identifier;
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Expression * expr;
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Expression * expr;
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Symbol * tail;
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Symbol * tail;
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bool label; // true if label
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bool label; // true if label
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bool reloc; // true if relocated
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bool reloc; // true if relocated
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|
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static Symbol * symbols;
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static Symbol * symbols;
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static Symbol * current;
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static Symbol * current;
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};
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};
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class Line
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class Line
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{
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{
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public:
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public:
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static void Add(Opcode * opc);
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static void Add(Opcode * opc);
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static void List();
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static void List();
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|
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private:
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private:
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Line(Opcode * opc)
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Line(Opcode * opc)
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: opcode(opc),
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: opcode(opc),
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pc(PC),
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pc(PC),
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tail(0)
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tail(0)
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{};
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{};
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int pc;
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int pc;
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Opcode * opcode;
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Opcode * opcode;
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Line * tail;
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Line * tail;
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|
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static Line * first;
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static Line * first;
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static Line * last;
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static Line * last;
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};
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};
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%}
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%}
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%token _BYTE _WORD _OFFSET INT IDENT EOL EOFILE ERROR
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%token _BYTE _WORD _OFFSET INT IDENT EOL EOFILE ERROR
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_LL _L _LS _LU _RR _R _RS _RU
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_LL _L _LS _LU _RR _R _RS _RU
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_RRZ _RRNZ _SP _EXTERN _STATIC
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_RRZ _RRNZ _SP _EXTERN _STATIC
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|
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ADD AND ASR CALL CLRB CLRW DI DIV_IS
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ADD AND ASR CALL CLRB CLRW DI DIV_IS
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DIV_IU EI HALT IN JMP LNOT LEA LSL
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DIV_IU EI HALT IN JMP LNOT LEA LSL
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LSR MOVE MD_STP MD_FIN MOD_FIN MUL_IS MUL_IU NEG
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LSR MOVE MD_STP MD_FIN MOD_FIN MUL_IS MUL_IU NEG
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NOP NOT OUT OR RET RETI SEQ SGE
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NOP NOT OUT OR RET RETI SEQ SGE
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SGT SLE SLT SNE SHS SHI SLS SLO
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SGT SLE SLT SNE SHS SHI SLS SLO
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SUB XOR
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SUB XOR
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|
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%start all
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%start all
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|
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%union { int _num;
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%union { int _num;
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const char * _txt;
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const char * _txt;
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Opcode * _opcode;
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Opcode * _opcode;
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Operand * _operand;
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Operand * _operand;
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Expression * _expression;
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Expression * _expression;
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}
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}
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|
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%type <_num> INT
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%type <_num> INT
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%type <_txt>
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%type <_txt>
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IDENT _BYTE _WORD
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IDENT _BYTE _WORD
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_LL _LU _LS _L _RR _RU _RS _R
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_LL _LU _LS _L _RR _RU _RS _R
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_RRZ _RRNZ _SP
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_RRZ _RRNZ _SP
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|
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ADD AND ASR CALL CLRB CLRW DI DIV_IS
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ADD AND ASR CALL CLRB CLRW DI DIV_IS
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DIV_IU EI HALT IN JMP LNOT LEA LSL
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DIV_IU EI HALT IN JMP LNOT LEA LSL
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LSR MOVE MD_STP MD_FIN MOD_FIN MUL_IS MUL_IU NEG
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LSR MOVE MD_STP MD_FIN MOD_FIN MUL_IS MUL_IU NEG
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NOP NOT OUT OR RET RETI SEQ SGE
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NOP NOT OUT OR RET RETI SEQ SGE
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SGT SLE SLT SNE SHS SHI SLS SLO
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SGT SLE SLT SNE SHS SHI SLS SLO
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SUB XOR
|
SUB XOR
|
|
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%type <_opcode> opcode rest line
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%type <_opcode> opcode rest line
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%type <_expression> expr
|
%type <_expression> expr
|
%type <_operand>
|
%type <_operand>
|
value
|
value
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imm
|
imm
|
cRR RR RU RS R dRR RRi
|
cRR RR RU RS R dRR RRi
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cLL LL LU LS L dLL LLi
|
cLL LL LU LS L dLL LLi
|
SP dSP SPi oSP
|
SP dSP SPi oSP
|
RRZ RRNZ
|
RRZ RRNZ
|
port addr
|
port addr
|
|
|
%%
|
%%
|
|
|
all : lines EOFILE
|
all : lines EOFILE
|
{
|
{
|
reloc_last = PC;
|
reloc_last = PC;
|
Symbol::ListNonlabels();
|
Symbol::ListNonlabels();
|
Line::List();
|
Line::List();
|
Symbol::PrintSymbols();
|
Symbol::PrintSymbols();
|
fwrite(memory, 1, mem_idx, out);
|
fwrite(memory, 1, mem_idx, out);
|
write_intel_hex(ihx);
|
write_intel_hex(ihx);
|
return 0;
|
return 0;
|
}
|
}
|
;
|
;
|
|
|
lines
|
lines
|
: line { if ($1) Line::Add($1); }
|
: line { if ($1) Line::Add($1); }
|
| lines line { if ($2) Line::Add($2); }
|
| lines line { if ($2) Line::Add($2); }
|
;
|
;
|
|
|
line
|
line
|
: EOL { $$ = 0; }
|
: EOL { $$ = 0; }
|
| label EOL { $$ = 0; }
|
| label EOL { $$ = 0; }
|
| rest EOL { $$ = $1; }
|
| rest EOL { $$ = $1; }
|
| label rest EOL { $$ = $2; }
|
| label rest EOL { $$ = $2; }
|
;
|
;
|
|
|
label : IDENT ':'
|
label : IDENT ':'
|
{ Symbol::Add($1, new Expression(PC), true, reloc_end); }
|
{ Symbol::Add($1, new Expression(PC), true, reloc_end); }
|
;
|
;
|
|
|
rest
|
rest
|
: IDENT '=' expr { $$ = 0; Symbol::Add($1, $3, false, false); }
|
: IDENT '=' expr { $$ = 0; Symbol::Add($1, $3, false, false); }
|
| _EXTERN IDENT { $$ = 0; }
|
| _EXTERN IDENT { $$ = 0; }
|
| _STATIC IDENT { $$ = 0; }
|
| _STATIC IDENT { $$ = 0; }
|
| _OFFSET expr { $$ = 0; reloc_end = $2->GetValue();
|
| _OFFSET expr { $$ = 0; reloc_end = $2->GetValue();
|
reloc_start = PC; }
|
reloc_start = PC; }
|
| opcode { $$ = $1 }
|
| opcode { $$ = $1 }
|
;
|
;
|
|
|
expr
|
expr
|
: INT { $$ = new Expression($1); }
|
: INT { $$ = new Expression($1); }
|
| IDENT { $$ = new Expression($1); }
|
| IDENT { $$ = new Expression($1); }
|
| expr '+' INT { $$ = new Expression($1, EX_ADD, $3); }
|
| expr '+' INT { $$ = new Expression($1, EX_ADD, $3); }
|
| expr '-' INT { $$ = new Expression($1, EX_SUB, $3); }
|
| expr '-' INT { $$ = new Expression($1, EX_SUB, $3); }
|
| expr '*' INT { $$ = new Expression($1, EX_MULT, $3); }
|
| expr '*' INT { $$ = new Expression($1, EX_MULT, $3); }
|
| expr '/' INT { $$ = new Expression($1, EX_DIV, $3); }
|
| expr '/' INT { $$ = new Expression($1, EX_DIV, $3); }
|
| expr '%' INT { $$ = new Expression($1, EX_MOD, $3); }
|
| expr '%' INT { $$ = new Expression($1, EX_MOD, $3); }
|
| expr '+' IDENT { $$ = new Expression($1, EX_ADD, $3); }
|
| expr '+' IDENT { $$ = new Expression($1, EX_ADD, $3); }
|
| expr '-' IDENT { $$ = new Expression($1, EX_SUB, $3); }
|
| expr '-' IDENT { $$ = new Expression($1, EX_SUB, $3); }
|
| expr '*' IDENT { $$ = new Expression($1, EX_MULT, $3); }
|
| expr '*' IDENT { $$ = new Expression($1, EX_MULT, $3); }
|
| expr '/' IDENT { $$ = new Expression($1, EX_DIV, $3); }
|
| expr '/' IDENT { $$ = new Expression($1, EX_DIV, $3); }
|
| expr '%' IDENT { $$ = new Expression($1, EX_MOD, $3); }
|
| expr '%' IDENT { $$ = new Expression($1, EX_MOD, $3); }
|
;
|
;
|
|
|
value
|
value
|
: expr { $$ = new Operand($1); }
|
: expr { $$ = new Operand($1); }
|
;
|
;
|
|
|
imm
|
imm
|
: '#' value { $$ = $2->Immediate(); }
|
: '#' value { $$ = $2->Immediate(); }
|
;
|
;
|
|
|
RR : _RR { $$ = new Operand(REG_RR, $1); } ;
|
RR : _RR { $$ = new Operand(REG_RR, $1); } ;
|
RU : _RU { $$ = new Operand(REG_RU, $1); } ;
|
RU : _RU { $$ = new Operand(REG_RU, $1); } ;
|
RS : _RS { $$ = new Operand(REG_RS, $1); } ;
|
RS : _RS { $$ = new Operand(REG_RS, $1); } ;
|
R : _R { $$ = new Operand(REG_R, $1); } ;
|
R : _R { $$ = new Operand(REG_R, $1); } ;
|
cRR : '(' RR ')' { $$ = $2->Content(); } ;
|
cRR : '(' RR ')' { $$ = $2->Content(); } ;
|
RRZ : _RRZ { $$ = new Operand(COND_Z, $1); } ;
|
RRZ : _RRZ { $$ = new Operand(COND_Z, $1); } ;
|
RRNZ : _RRNZ { $$ = new Operand(COND_NZ, $1); } ;
|
RRNZ : _RRNZ { $$ = new Operand(COND_NZ, $1); } ;
|
|
|
LL : _LL { $$ = new Operand(REG_LL, $1); } ;
|
LL : _LL { $$ = new Operand(REG_LL, $1); } ;
|
LU : _LU { $$ = new Operand(REG_LU, $1); } ;
|
LU : _LU { $$ = new Operand(REG_LU, $1); } ;
|
LS : _LS { $$ = new Operand(REG_LS, $1); } ;
|
LS : _LS { $$ = new Operand(REG_LS, $1); } ;
|
L : _L { $$ = new Operand(REG_L, $1); } ;
|
L : _L { $$ = new Operand(REG_L, $1); } ;
|
cLL : '(' LL ')' { $$ = $2->Content(); } ;
|
cLL : '(' LL ')' { $$ = $2->Content(); } ;
|
|
|
SP : _SP { $$ = new Operand(REG_SP, $1); } ;
|
SP : _SP { $$ = new Operand(REG_SP, $1); } ;
|
|
|
dRR : '-' '(' RR ')' { $$ = $3->PreDec(); } ;
|
dRR : '-' '(' RR ')' { $$ = $3->PreDec(); } ;
|
dLL : '-' '(' LL ')' { $$ = $3->PreDec(); } ;
|
dLL : '-' '(' LL ')' { $$ = $3->PreDec(); } ;
|
dSP : '-' '(' SP ')' { $$ = $3->PreDec(); } ;
|
dSP : '-' '(' SP ')' { $$ = $3->PreDec(); } ;
|
RRi : '(' RR ')' '+' { $$ = $2->PostInc(); } ;
|
RRi : '(' RR ')' '+' { $$ = $2->PostInc(); } ;
|
LLi : '(' LL ')' '+' { $$ = $2->PostInc(); } ;
|
LLi : '(' LL ')' '+' { $$ = $2->PostInc(); } ;
|
SPi : '(' SP ')' '+' { $$ = $2->PostInc(); } ;
|
SPi : '(' SP ')' '+' { $$ = $2->PostInc(); } ;
|
oSP : value '(' SP ')' { $$ = $3->Offset($1); } ;
|
oSP : value '(' SP ')' { $$ = $3->Offset($1); } ;
|
port : '(' value ')' { $$ = $2->Port(); } ;
|
port : '(' value ')' { $$ = $2->Port(); } ;
|
addr : '(' value ')' { $$ = $2->AbsAddr(); } ;
|
addr : '(' value ')' { $$ = $2->AbsAddr(); } ;
|
|
|
/////////////////////////////////////////////////////////////////////////
|
/////////////////////////////////////////////////////////////////////////
|
|
|
opcode
|
opcode
|
: _BYTE value { $$ = new Opcode(H_BYTE, 0x00, $1, $2); }
|
: _BYTE value { $$ = new Opcode(H_BYTE, 0x00, $1, $2); }
|
| _WORD value { $$ = new Opcode(H_WORD, 0x00, $1, $2); }
|
| _WORD value { $$ = new Opcode(H_WORD, 0x00, $1, $2); }
|
|
|
| HALT { $$ = new Opcode(H_NONE, 0x00, $1); }
|
| HALT { $$ = new Opcode(H_NONE, 0x00, $1); }
|
| NOP { $$ = new Opcode(H_NONE, 0x01, $1); }
|
| NOP { $$ = new Opcode(H_NONE, 0x01, $1); }
|
| JMP value { $$ = new Opcode(H_WORD, 0x02, $1, $2); }
|
| JMP value { $$ = new Opcode(H_WORD, 0x02, $1, $2); }
|
| JMP RRNZ ',' value { $$ = new Opcode(H_WORD, 0x03, $1, $2, $4); }
|
| JMP RRNZ ',' value { $$ = new Opcode(H_WORD, 0x03, $1, $2, $4); }
|
| JMP RRZ ',' value { $$ = new Opcode(H_WORD, 0x04, $1, $2, $4); }
|
| JMP RRZ ',' value { $$ = new Opcode(H_WORD, 0x04, $1, $2, $4); }
|
| CALL value { $$ = new Opcode(H_WORD, 0x05, $1, $2); }
|
| CALL value { $$ = new Opcode(H_WORD, 0x05, $1, $2); }
|
| CALL '(' RR ')' { $$ = new Opcode(H_NONE, 0x06, $1, $3); }
|
| CALL '(' RR ')' { $$ = new Opcode(H_NONE, 0x06, $1, $3); }
|
| RET { $$ = new Opcode(H_NONE, 0x07, $1); }
|
| RET { $$ = new Opcode(H_NONE, 0x07, $1); }
|
| MOVE SPi ',' RR { $$ = new Opcode(H_NONE, 0x08, $1, $2, $4); }
|
| MOVE SPi ',' RR { $$ = new Opcode(H_NONE, 0x08, $1, $2, $4); }
|
| MOVE SPi ',' RS { $$ = new Opcode(H_NONE, 0x09, $1, $2, $4); }
|
| MOVE SPi ',' RS { $$ = new Opcode(H_NONE, 0x09, $1, $2, $4); }
|
| MOVE SPi ',' RU { $$ = new Opcode(H_NONE, 0x0A, $1, $2, $4); }
|
| MOVE SPi ',' RU { $$ = new Opcode(H_NONE, 0x0A, $1, $2, $4); }
|
| MOVE SPi ',' LL { $$ = new Opcode(H_NONE, 0x0B, $1, $2, $4); }
|
| MOVE SPi ',' LL { $$ = new Opcode(H_NONE, 0x0B, $1, $2, $4); }
|
| MOVE SPi ',' LS { $$ = new Opcode(H_NONE, 0x0C, $1, $2, $4); }
|
| MOVE SPi ',' LS { $$ = new Opcode(H_NONE, 0x0C, $1, $2, $4); }
|
| MOVE SPi ',' LU { $$ = new Opcode(H_NONE, 0x0D, $1, $2, $4); }
|
| MOVE SPi ',' LU { $$ = new Opcode(H_NONE, 0x0D, $1, $2, $4); }
|
| MOVE RR ',' dSP { $$ = new Opcode(H_NONE, 0x0E, $1, $2, $4); }
|
| MOVE RR ',' dSP { $$ = new Opcode(H_NONE, 0x0E, $1, $2, $4); }
|
| MOVE R ',' dSP { $$ = new Opcode(H_NONE, 0x0F, $1, $2, $4); }
|
| MOVE R ',' dSP { $$ = new Opcode(H_NONE, 0x0F, $1, $2, $4); }
|
|
|
| AND RR ',' imm { $$ = new Opcode(H_uBW, 0x10, $1, $2, $4); }
|
| AND RR ',' imm { $$ = new Opcode(H_uBW, 0x10, $1, $2, $4); }
|
| OR RR ',' imm { $$ = new Opcode(H_uBW, 0x12, $1, $2, $4); }
|
| OR RR ',' imm { $$ = new Opcode(H_uBW, 0x12, $1, $2, $4); }
|
| XOR RR ',' imm { $$ = new Opcode(H_uBW, 0x14, $1, $2, $4); }
|
| XOR RR ',' imm { $$ = new Opcode(H_uBW, 0x14, $1, $2, $4); }
|
| SEQ RR ',' imm { $$ = new Opcode(H_sBW, 0x16, $1, $2, $4); }
|
| SEQ RR ',' imm { $$ = new Opcode(H_sBW, 0x16, $1, $2, $4); }
|
| SNE RR ',' imm { $$ = new Opcode(H_sBW, 0x18, $1, $2, $4); }
|
| SNE RR ',' imm { $$ = new Opcode(H_sBW, 0x18, $1, $2, $4); }
|
| SGE RR ',' imm { $$ = new Opcode(H_sBW, 0x1A, $1, $2, $4); }
|
| SGE RR ',' imm { $$ = new Opcode(H_sBW, 0x1A, $1, $2, $4); }
|
| SGT RR ',' imm { $$ = new Opcode(H_sBW, 0x1C, $1, $2, $4); }
|
| SGT RR ',' imm { $$ = new Opcode(H_sBW, 0x1C, $1, $2, $4); }
|
| SLE RR ',' imm { $$ = new Opcode(H_sBW, 0x1E, $1, $2, $4); }
|
| SLE RR ',' imm { $$ = new Opcode(H_sBW, 0x1E, $1, $2, $4); }
|
| SLT RR ',' imm { $$ = new Opcode(H_sBW, 0x20, $1, $2, $4); }
|
| SLT RR ',' imm { $$ = new Opcode(H_sBW, 0x20, $1, $2, $4); }
|
| SHS RR ',' imm { $$ = new Opcode(H_uBW, 0x22, $1, $2, $4); }
|
| SHS RR ',' imm { $$ = new Opcode(H_uBW, 0x22, $1, $2, $4); }
|
| SHI RR ',' imm { $$ = new Opcode(H_uBW, 0x24, $1, $2, $4); }
|
| SHI RR ',' imm { $$ = new Opcode(H_uBW, 0x24, $1, $2, $4); }
|
| SLS RR ',' imm { $$ = new Opcode(H_uBW, 0x26, $1, $2, $4); }
|
| SLS RR ',' imm { $$ = new Opcode(H_uBW, 0x26, $1, $2, $4); }
|
| SLO RR ',' imm { $$ = new Opcode(H_uBW, 0x28, $1, $2, $4); }
|
| SLO RR ',' imm { $$ = new Opcode(H_uBW, 0x28, $1, $2, $4); }
|
| ADD SP ',' imm { $$ = new Opcode(H_uBW, 0x2A, $1, $2, $4); }
|
| ADD SP ',' imm { $$ = new Opcode(H_uBW, 0x2A, $1, $2, $4); }
|
| CLRW dSP { $$ = new Opcode(H_NONE, 0x2C, $1, $2); }
|
| CLRW dSP { $$ = new Opcode(H_NONE, 0x2C, $1, $2); }
|
| CLRB dSP { $$ = new Opcode(H_NONE, 0x2D, $1, $2); }
|
| CLRB dSP { $$ = new Opcode(H_NONE, 0x2D, $1, $2); }
|
| IN port ',' RU { $$ = new Opcode(H_PORT, 0x2E, $1, $2, $4); }
|
| IN port ',' RU { $$ = new Opcode(H_PORT, 0x2E, $1, $2, $4); }
|
| OUT R ',' port { $$ = new Opcode(H_PORT, 0x2F, $1, $2, $4); }
|
| OUT R ',' port { $$ = new Opcode(H_PORT, 0x2F, $1, $2, $4); }
|
|
|
| AND LL ',' RR { $$ = new Opcode(H_NONE, 0x30, $1, $2, $4); }
|
| AND LL ',' RR { $$ = new Opcode(H_NONE, 0x30, $1, $2, $4); }
|
| OR LL ',' RR { $$ = new Opcode(H_NONE, 0x31, $1, $2, $4); }
|
| OR LL ',' RR { $$ = new Opcode(H_NONE, 0x31, $1, $2, $4); }
|
| XOR LL ',' RR { $$ = new Opcode(H_NONE, 0x32, $1, $2, $4); }
|
| XOR LL ',' RR { $$ = new Opcode(H_NONE, 0x32, $1, $2, $4); }
|
| SEQ LL ',' RR { $$ = new Opcode(H_NONE, 0x33, $1, $2, $4); }
|
| SEQ LL ',' RR { $$ = new Opcode(H_NONE, 0x33, $1, $2, $4); }
|
| SNE LL ',' RR { $$ = new Opcode(H_NONE, 0x34, $1, $2, $4); }
|
| SNE LL ',' RR { $$ = new Opcode(H_NONE, 0x34, $1, $2, $4); }
|
| SGE LL ',' RR { $$ = new Opcode(H_NONE, 0x35, $1, $2, $4); }
|
| SGE LL ',' RR { $$ = new Opcode(H_NONE, 0x35, $1, $2, $4); }
|
| SGT LL ',' RR { $$ = new Opcode(H_NONE, 0x36, $1, $2, $4); }
|
| SGT LL ',' RR { $$ = new Opcode(H_NONE, 0x36, $1, $2, $4); }
|
| SLE LL ',' RR { $$ = new Opcode(H_NONE, 0x37, $1, $2, $4); }
|
| SLE LL ',' RR { $$ = new Opcode(H_NONE, 0x37, $1, $2, $4); }
|
| SLT LL ',' RR { $$ = new Opcode(H_NONE, 0x38, $1, $2, $4); }
|
| SLT LL ',' RR { $$ = new Opcode(H_NONE, 0x38, $1, $2, $4); }
|
| SHS LL ',' RR { $$ = new Opcode(H_NONE, 0x39, $1, $2, $4); }
|
| SHS LL ',' RR { $$ = new Opcode(H_NONE, 0x39, $1, $2, $4); }
|
| SHI LL ',' RR { $$ = new Opcode(H_NONE, 0x3A, $1, $2, $4); }
|
| SHI LL ',' RR { $$ = new Opcode(H_NONE, 0x3A, $1, $2, $4); }
|
| SLS LL ',' RR { $$ = new Opcode(H_NONE, 0x3B, $1, $2, $4); }
|
| SLS LL ',' RR { $$ = new Opcode(H_NONE, 0x3B, $1, $2, $4); }
|
| SLO LL ',' RR { $$ = new Opcode(H_NONE, 0x3C, $1, $2, $4); }
|
| SLO LL ',' RR { $$ = new Opcode(H_NONE, 0x3C, $1, $2, $4); }
|
| LNOT RR { $$ = new Opcode(H_NONE, 0x3D, $1, $2); }
|
| LNOT RR { $$ = new Opcode(H_NONE, 0x3D, $1, $2); }
|
| NEG RR { $$ = new Opcode(H_NONE, 0x3E, $1, $2); }
|
| NEG RR { $$ = new Opcode(H_NONE, 0x3E, $1, $2); }
|
| NOT RR { $$ = new Opcode(H_NONE, 0x3F, $1, $2); }
|
| NOT RR { $$ = new Opcode(H_NONE, 0x3F, $1, $2); }
|
|
|
| MOVE LL ',' RR { $$ = new Opcode(H_NONE, 0x40, $1, $2, $4); }
|
| MOVE LL ',' RR { $$ = new Opcode(H_NONE, 0x40, $1, $2, $4); }
|
| MOVE LL ',' cRR { $$ = new Opcode(H_NONE, 0x41, $1, $2, $4); }
|
| MOVE LL ',' cRR { $$ = new Opcode(H_NONE, 0x41, $1, $2, $4); }
|
| MOVE L ',' cRR { $$ = new Opcode(H_NONE, 0x42, $1, $2, $4); }
|
| MOVE L ',' cRR { $$ = new Opcode(H_NONE, 0x42, $1, $2, $4); }
|
| MOVE RR ',' LL { $$ = new Opcode(H_NONE, 0x43, $1, $2, $4); }
|
| MOVE RR ',' LL { $$ = new Opcode(H_NONE, 0x43, $1, $2, $4); }
|
| MOVE RR ',' cLL { $$ = new Opcode(H_NONE, 0x44, $1, $2, $4); }
|
| MOVE RR ',' cLL { $$ = new Opcode(H_NONE, 0x44, $1, $2, $4); }
|
| MOVE R ',' cLL { $$ = new Opcode(H_NONE, 0x45, $1, $2, $4); }
|
| MOVE R ',' cLL { $$ = new Opcode(H_NONE, 0x45, $1, $2, $4); }
|
| MOVE cRR ',' RR { $$ = new Opcode(H_NONE, 0x46, $1, $2, $4); }
|
| MOVE cRR ',' RR { $$ = new Opcode(H_NONE, 0x46, $1, $2, $4); }
|
| MOVE cRR ',' RS { $$ = new Opcode(H_NONE, 0x47, $1, $2, $4); }
|
| MOVE cRR ',' RS { $$ = new Opcode(H_NONE, 0x47, $1, $2, $4); }
|
| MOVE cRR ',' RU { $$ = new Opcode(H_NONE, 0x48, $1, $2, $4); }
|
| MOVE cRR ',' RU { $$ = new Opcode(H_NONE, 0x48, $1, $2, $4); }
|
| MOVE addr ',' RR { $$ = new Opcode(H_WORD, 0x49, $1, $2, $4); }
|
| MOVE addr ',' RR { $$ = new Opcode(H_WORD, 0x49, $1, $2, $4); }
|
| MOVE addr ',' RS { $$ = new Opcode(H_WORD, 0x4A, $1, $2, $4); }
|
| MOVE addr ',' RS { $$ = new Opcode(H_WORD, 0x4A, $1, $2, $4); }
|
| MOVE addr ',' RU { $$ = new Opcode(H_WORD, 0x4B, $1, $2, $4); }
|
| MOVE addr ',' RU { $$ = new Opcode(H_WORD, 0x4B, $1, $2, $4); }
|
| MOVE addr ',' LL { $$ = new Opcode(H_WORD, 0x4C, $1, $2, $4); }
|
| MOVE addr ',' LL { $$ = new Opcode(H_WORD, 0x4C, $1, $2, $4); }
|
| MOVE addr ',' LS { $$ = new Opcode(H_WORD, 0x4D, $1, $2, $4); }
|
| MOVE addr ',' LS { $$ = new Opcode(H_WORD, 0x4D, $1, $2, $4); }
|
| MOVE addr ',' LU { $$ = new Opcode(H_WORD, 0x4E, $1, $2, $4); }
|
| MOVE addr ',' LU { $$ = new Opcode(H_WORD, 0x4E, $1, $2, $4); }
|
| MOVE RR ',' SP { $$ = new Opcode(H_NONE, 0x4F, $1, $2, $4); }
|
| MOVE RR ',' SP { $$ = new Opcode(H_NONE, 0x4F, $1, $2, $4); }
|
|
|
| LSL RR ',' imm { $$ = new Opcode(H_BYTE, 0x52, $1, $2, $4); }
|
| LSL RR ',' imm { $$ = new Opcode(H_BYTE, 0x52, $1, $2, $4); }
|
| ASR RR ',' imm { $$ = new Opcode(H_BYTE, 0x53, $1, $2, $4); }
|
| ASR RR ',' imm { $$ = new Opcode(H_BYTE, 0x53, $1, $2, $4); }
|
| LSR RR ',' imm { $$ = new Opcode(H_BYTE, 0x54, $1, $2, $4); }
|
| LSR RR ',' imm { $$ = new Opcode(H_BYTE, 0x54, $1, $2, $4); }
|
| LSL LL ',' RR { $$ = new Opcode(H_NONE, 0x55, $1, $2, $4); }
|
| LSL LL ',' RR { $$ = new Opcode(H_NONE, 0x55, $1, $2, $4); }
|
| ASR LL ',' RR { $$ = new Opcode(H_NONE, 0x56, $1, $2, $4); }
|
| ASR LL ',' RR { $$ = new Opcode(H_NONE, 0x56, $1, $2, $4); }
|
| LSR LL ',' RR { $$ = new Opcode(H_NONE, 0x57, $1, $2, $4); }
|
| LSR LL ',' RR { $$ = new Opcode(H_NONE, 0x57, $1, $2, $4); }
|
| ADD LL ',' RR { $$ = new Opcode(H_NONE, 0x58, $1, $2, $4); }
|
| ADD LL ',' RR { $$ = new Opcode(H_NONE, 0x58, $1, $2, $4); }
|
| SUB LL ',' RR { $$ = new Opcode(H_NONE, 0x59, $1, $2, $4); }
|
| SUB LL ',' RR { $$ = new Opcode(H_NONE, 0x59, $1, $2, $4); }
|
| MOVE RR ',' addr { $$ = new Opcode(H_WORD, 0x5A, $1, $2, $4); }
|
| MOVE RR ',' addr { $$ = new Opcode(H_WORD, 0x5A, $1, $2, $4); }
|
| MOVE R ',' addr { $$ = new Opcode(H_WORD, 0x5B, $1, $2, $4); }
|
| MOVE R ',' addr { $$ = new Opcode(H_WORD, 0x5B, $1, $2, $4); }
|
| MOVE RR ',' oSP { $$ = new Opcode(H_uBW, 0x5C, $1, $2, $4); }
|
| MOVE RR ',' oSP { $$ = new Opcode(H_uBW, 0x5C, $1, $2, $4); }
|
| MOVE R ',' oSP { $$ = new Opcode(H_uBW, 0x5E, $1, $2, $4); }
|
| MOVE R ',' oSP { $$ = new Opcode(H_uBW, 0x5E, $1, $2, $4); }
|
|
|
| MOVE oSP ',' RR { $$ = new Opcode(H_uBW, 0x60, $1, $2, $4); }
|
| MOVE oSP ',' RR { $$ = new Opcode(H_uBW, 0x60, $1, $2, $4); }
|
| MOVE oSP ',' RS { $$ = new Opcode(H_uBW, 0x62, $1, $2, $4); }
|
| MOVE oSP ',' RS { $$ = new Opcode(H_uBW, 0x62, $1, $2, $4); }
|
| MOVE oSP ',' RU { $$ = new Opcode(H_uBW, 0x64, $1, $2, $4); }
|
| MOVE oSP ',' RU { $$ = new Opcode(H_uBW, 0x64, $1, $2, $4); }
|
| MOVE oSP ',' LL { $$ = new Opcode(H_uBW, 0x66, $1, $2, $4); }
|
| MOVE oSP ',' LL { $$ = new Opcode(H_uBW, 0x66, $1, $2, $4); }
|
| MOVE oSP ',' LS { $$ = new Opcode(H_uBW, 0x68, $1, $2, $4); }
|
| MOVE oSP ',' LS { $$ = new Opcode(H_uBW, 0x68, $1, $2, $4); }
|
| MOVE oSP ',' LU { $$ = new Opcode(H_uBW, 0x6A, $1, $2, $4); }
|
| MOVE oSP ',' LU { $$ = new Opcode(H_uBW, 0x6A, $1, $2, $4); }
|
| LEA oSP ',' RR { $$ = new Opcode(H_uBW, 0x6C, $1, $2, $4); }
|
| LEA oSP ',' RR { $$ = new Opcode(H_uBW, 0x6C, $1, $2, $4); }
|
| MOVE dRR ',' dLL { $$ = new Opcode(H_NONE, 0x6E, $1, $2, $4); }
|
| MOVE dRR ',' dLL { $$ = new Opcode(H_NONE, 0x6E, $1, $2, $4); }
|
| MOVE RRi ',' LLi { $$ = new Opcode(H_NONE, 0x6F, $1, $2, $4); }
|
| MOVE RRi ',' LLi { $$ = new Opcode(H_NONE, 0x6F, $1, $2, $4); }
|
|
|
| MUL_IS { $$ = new Opcode(H_NONE, 0x70, $1); }
|
| MUL_IS { $$ = new Opcode(H_NONE, 0x70, $1); }
|
| MUL_IU { $$ = new Opcode(H_NONE, 0x71, $1); }
|
| MUL_IU { $$ = new Opcode(H_NONE, 0x71, $1); }
|
| DIV_IS { $$ = new Opcode(H_NONE, 0x72, $1); }
|
| DIV_IS { $$ = new Opcode(H_NONE, 0x72, $1); }
|
| DIV_IU { $$ = new Opcode(H_NONE, 0x73, $1); }
|
| DIV_IU { $$ = new Opcode(H_NONE, 0x73, $1); }
|
| MD_STP { $$ = new Opcode(H_NONE, 0x74, $1); }
|
| MD_STP { $$ = new Opcode(H_NONE, 0x74, $1); }
|
| MD_FIN { $$ = new Opcode(H_NONE, 0x75, $1); }
|
| MD_FIN { $$ = new Opcode(H_NONE, 0x75, $1); }
|
| MOD_FIN { $$ = new Opcode(H_NONE, 0x76, $1); }
|
| MOD_FIN { $$ = new Opcode(H_NONE, 0x76, $1); }
|
| EI { $$ = new Opcode(H_NONE, 0x77, $1); }
|
| EI { $$ = new Opcode(H_NONE, 0x77, $1); }
|
| RETI { $$ = new Opcode(H_NONE, 0x78, $1); }
|
| RETI { $$ = new Opcode(H_NONE, 0x78, $1); }
|
| DI { $$ = new Opcode(H_NONE, 0x79, $1); }
|
| DI { $$ = new Opcode(H_NONE, 0x79, $1); }
|
|
|
| ADD RR ',' imm { $$ = new Opcode(H_uQBW, 0xA0, $1, $2, $4); }
|
| ADD RR ',' imm { $$ = new Opcode(H_uQBW, 0xA0, $1, $2, $4); }
|
| SUB RR ',' imm { $$ = new Opcode(H_uQBW, 0xB0, $1, $2, $4); }
|
| SUB RR ',' imm { $$ = new Opcode(H_uQBW, 0xB0, $1, $2, $4); }
|
| MOVE imm ',' RR { $$ = new Opcode(H_sQBW, 0xC0, $1, $2, $4); }
|
| MOVE imm ',' RR { $$ = new Opcode(H_sQBW, 0xC0, $1, $2, $4); }
|
| SEQ LL ',' imm { $$ = new Opcode(H_sQBW, 0xD0, $1, $2, $4); }
|
| SEQ LL ',' imm { $$ = new Opcode(H_sQBW, 0xD0, $1, $2, $4); }
|
| MOVE imm ',' LL { $$ = new Opcode(H_sQBW, 0xE0, $1, $2, $4); }
|
| MOVE imm ',' LL { $$ = new Opcode(H_sQBW, 0xE0, $1, $2, $4); }
|
;
|
;
|
|
|
// Fx mapped from 8X..EX
|
// Fx mapped from 8X..EX
|
%%
|
%%
|
|
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
void Line::Add(Opcode * opc)
|
void Line::Add(Opcode * opc)
|
{
|
{
|
assert(opc);
|
assert(opc);
|
Line * l = new Line(opc);
|
Line * l = new Line(opc);
|
if (first == 0)
|
if (first == 0)
|
{
|
{
|
assert(last == 0);
|
assert(last == 0);
|
first = last = l;
|
first = last = l;
|
}
|
}
|
else
|
else
|
{
|
{
|
assert(last->tail == 0);
|
assert(last->tail == 0);
|
last->tail = l;
|
last->tail = l;
|
last = l;
|
last = l;
|
}
|
}
|
PC += opc->GetLength();
|
PC += opc->GetLength();
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
Symbol * Symbol::symbols = 0;
|
Symbol * Symbol::symbols = 0;
|
Symbol * Symbol::current = 0;
|
Symbol * Symbol::current = 0;
|
|
|
Line * Line::first = 0;
|
Line * Line::first = 0;
|
Line * Line::last = 0;
|
Line * Line::last = 0;
|
|
|
void Symbol::Add(const char * id, Expression * expr, bool lab, bool reloc)
|
void Symbol::Add(const char * id, Expression * expr, bool lab, bool reloc)
|
{
|
{
|
for (Symbol * s = symbols; s; s = s->tail)
|
for (Symbol * s = symbols; s; s = s->tail)
|
{
|
{
|
if (!strcmp(id, s->identifier))
|
if (!strcmp(id, s->identifier))
|
{
|
{
|
fprintf(stderr, "Error: Symbol %s already defined\n", id);
|
fprintf(stderr, "Error: Symbol %s already defined\n", id);
|
return;
|
return;
|
}
|
}
|
|
|
if (s->tail == 0)
|
if (s->tail == 0)
|
{
|
{
|
s->tail = new Symbol(id, expr, lab, reloc);
|
s->tail = new Symbol(id, expr, lab, reloc);
|
return;
|
return;
|
}
|
}
|
}
|
}
|
|
|
symbols = new Symbol(id, expr, lab, reloc);
|
symbols = new Symbol(id, expr, lab, reloc);
|
}
|
}
|
|
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
int Operand::GetLength(OP_HOW how)
|
int Operand::GetLength(OP_HOW how)
|
{
|
{
|
// how may apply to this or the other argument!
|
// how may apply to this or the other argument!
|
//
|
//
|
if (offset) return offset->GetLength(how);
|
if (offset) return offset->GetLength(how);
|
|
|
if (base != EXPR) return 0;
|
if (base != EXPR) return 0;
|
assert(expr);
|
assert(expr);
|
|
|
switch(how)
|
switch(how)
|
{
|
{
|
case H_BYTE:
|
case H_BYTE:
|
case H_PORT: return 1;
|
case H_PORT: return 1;
|
case H_WORD: return 2;
|
case H_WORD: return 2;
|
}
|
}
|
|
|
if (expr->UsesName()) return 2; // not yet known
|
if (expr->UsesName()) return 2; // not yet known
|
|
|
if (GetValue() < 0) switch(how)
|
if (GetValue() < 0) switch(how)
|
{
|
{
|
case H_uBW:
|
case H_uBW:
|
case H_uQBW: return 2;
|
case H_uQBW: return 2;
|
|
|
case H_sBW: if (GetValue() >= -128) return 1;
|
case H_sBW: if (GetValue() >= -128) return 1;
|
return 2;
|
return 2;
|
|
|
case H_sQBW: if (GetValue() >= -8) return 0;
|
case H_sQBW: if (GetValue() >= -8) return 0;
|
if (GetValue() >= -128) return 1;
|
if (GetValue() >= -128) return 1;
|
return 2;
|
return 2;
|
|
|
default: fprintf(stderr, "HOW = %d\n", how);
|
default: fprintf(stderr, "HOW = %d\n", how);
|
assert(0 && "Bad how");
|
assert(0 && "Bad how");
|
}
|
}
|
|
|
// here GetValue() >= 0
|
// here GetValue() >= 0
|
switch(how)
|
switch(how)
|
{
|
{
|
case H_uBW: if (GetValue() <= 255) return 1;
|
case H_uBW: if (GetValue() <= 255) return 1;
|
return 2;
|
return 2;
|
|
|
case H_sBW: if (GetValue() <= 127) return 1;
|
case H_sBW: if (GetValue() <= 127) return 1;
|
return 2;
|
return 2;
|
|
|
case H_uQBW: if (GetValue() <= 15) return 0;
|
case H_uQBW: if (GetValue() <= 15) return 0;
|
if (GetValue() <= 255) return 1;
|
if (GetValue() <= 255) return 1;
|
return 2;
|
return 2;
|
|
|
case H_sQBW: if (GetValue() <= 7) return 0;
|
case H_sQBW: if (GetValue() <= 7) return 0;
|
if (GetValue() <= 127) return 1;
|
if (GetValue() <= 127) return 1;
|
return 2;
|
return 2;
|
|
|
default: fprintf(stderr, "HOW = %d\n", how);
|
default: fprintf(stderr, "HOW = %d\n", how);
|
assert(0 && "Bad how");
|
assert(0 && "Bad how");
|
}
|
}
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
int Opcode::GetLength() const
|
int Opcode::GetLength() const
|
{
|
{
|
int base_len = 1;
|
int base_len = 1;
|
|
|
assert(op_text);
|
assert(op_text);
|
if (*op_text == '.') base_len = 0;
|
if (*op_text == '.') base_len = 0;
|
|
|
int op1_len = 0;
|
int op1_len = 0;
|
if (op_1) op1_len = op_1->GetLength(op_how);
|
if (op_1) op1_len = op_1->GetLength(op_how);
|
|
|
int op2_len = 0;
|
int op2_len = 0;
|
if (op_2) op2_len = op_2->GetLength(op_how);
|
if (op_2) op2_len = op_2->GetLength(op_how);
|
|
|
assert(!op1_len || !op2_len);
|
assert(!op1_len || !op2_len);
|
return base_len + op1_len + op2_len;
|
return base_len + op1_len + op2_len;
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
void Line::List()
|
void Line::List()
|
{
|
{
|
PC = 0;
|
PC = 0;
|
Symbol::Reset();
|
Symbol::Reset();
|
|
|
for (Line * l = first; l; l = l->tail)
|
for (Line * l = first; l; l = l->tail)
|
{
|
{
|
Symbol::Advance(PC);
|
Symbol::Advance(PC);
|
assert(l->opcode);
|
assert(l->opcode);
|
assert(l->pc == PC);
|
assert(l->pc == PC);
|
PC += l->opcode->List(PC);
|
PC += l->opcode->List(PC);
|
}
|
}
|
Symbol::Advance(PC);
|
Symbol::Advance(PC);
|
fprintf(stderr, "Bytes = %d (0x%X)\n", PC, PC);
|
fprintf(stderr, "Bytes = %d (0x%X)\n", PC, PC);
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
void Symbol::ListNonlabels()
|
void Symbol::ListNonlabels()
|
{
|
{
|
for (Symbol * s = symbols; s; s = s->tail)
|
for (Symbol * s = symbols; s; s = s->tail)
|
{
|
{
|
if (s->label) continue;
|
if (s->label) continue;
|
|
|
assert(s->identifier);
|
assert(s->identifier);
|
fprintf(list, "%s\t= %d\n",
|
fprintf(list, "%s\t= %d\n",
|
s->identifier, s->expr->GetValue() & 0xFFFF);
|
s->identifier, s->expr->GetValue() & 0xFFFF);
|
}
|
}
|
fprintf(list, "\n");
|
fprintf(list, "\n");
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
void Symbol::PrintSymbols()
|
void Symbol::PrintSymbols()
|
{
|
{
|
for (Symbol * s = symbols; s; s = s->tail)
|
for (Symbol * s = symbols; s; s = s->tail)
|
{
|
{
|
if (!s->label) continue;
|
if (!s->label) continue;
|
|
|
assert(s->identifier);
|
assert(s->identifier);
|
fprintf(sym, "%4.4X %s\n",
|
fprintf(sym, "%4.4X %s\n",
|
s->expr->GetValue() & 0xFFFF, s->identifier);
|
s->expr->GetValue() & 0xFFFF, s->identifier);
|
}
|
}
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
int Symbol::GetValue(const char * id)
|
int Symbol::GetValue(const char * id)
|
{
|
{
|
for (Symbol * s = symbols; s; s = s->tail)
|
for (Symbol * s = symbols; s; s = s->tail)
|
{
|
{
|
assert(s->identifier);
|
assert(s->identifier);
|
assert(s->expr);
|
assert(s->expr);
|
if (strcmp(id, s->identifier)) continue;
|
if (strcmp(id, s->identifier)) continue;
|
return 0xFFFF & Reloc(s->reloc, s->expr->GetValue());
|
return 0xFFFF & Reloc(s->reloc, s->expr->GetValue());
|
}
|
}
|
|
|
fprintf(stderr, "Symbol %s not defined\n", id);
|
fprintf(stderr, "Symbol %s not defined\n", id);
|
assert(0 && "Symbol Not Defined");
|
assert(0 && "Symbol Not Defined");
|
return 0;
|
return 0;
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
int Operand::GetValue()
|
int Operand::GetValue()
|
{
|
{
|
assert(expr);
|
assert(expr);
|
return expr->GetValue();
|
return expr->GetValue();
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
int Expression::ListBase() const
|
int Expression::ListBase() const
|
{
|
{
|
int ret = 0;
|
int ret = 0;
|
|
|
if (ex) ret += ex->ListBase();
|
if (ex) ret += ex->ListBase();
|
|
|
switch(how)
|
switch(how)
|
{
|
{
|
case EX_NAME:
|
case EX_NAME:
|
assert(name);
|
assert(name);
|
assert(!ex);
|
assert(!ex);
|
return fprintf(list, "%s", name);
|
return fprintf(list, "%s", name);
|
|
|
case EX_NUMBER:
|
case EX_NUMBER:
|
assert(!name);
|
assert(!name);
|
assert(!ex);
|
assert(!ex);
|
return fprintf(list, "%d", 0xFFFF & number);
|
return fprintf(list, "%d", 0xFFFF & number);
|
|
|
case EX_ADD:
|
case EX_ADD:
|
assert(ex);
|
assert(ex);
|
ret += fprintf(list, " + ");
|
ret += fprintf(list, " + ");
|
break;
|
break;
|
|
|
case EX_SUB:
|
case EX_SUB:
|
assert(ex);
|
assert(ex);
|
ret += fprintf(list, " - ");
|
ret += fprintf(list, " - ");
|
break;
|
break;
|
|
|
case EX_MULT:
|
case EX_MULT:
|
assert(ex);
|
assert(ex);
|
ret += fprintf(list, " * ");
|
ret += fprintf(list, " * ");
|
break;
|
break;
|
|
|
case EX_DIV:
|
case EX_DIV:
|
assert(ex);
|
assert(ex);
|
ret += fprintf(list, " / ");
|
ret += fprintf(list, " / ");
|
break;
|
break;
|
|
|
case EX_MOD:
|
case EX_MOD:
|
assert(ex);
|
assert(ex);
|
ret += fprintf(list, " / ");
|
ret += fprintf(list, " / ");
|
break;
|
break;
|
|
|
default: assert(0);
|
default: assert(0);
|
}
|
}
|
|
|
if (name) ret += fprintf(list, "%s", name);
|
if (name) ret += fprintf(list, "%s", name);
|
else ret += fprintf(list, "%d", number);
|
else ret += fprintf(list, "%d", number);
|
|
|
return ret;
|
return ret;
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
int Expression::GetValue() const
|
int Expression::GetValue() const
|
{
|
{
|
int ret;
|
int ret;
|
|
|
int my_val = number;
|
int my_val = number;
|
if (name) my_val = Symbol::GetValue(name);
|
if (name) my_val = Symbol::GetValue(name);
|
|
|
switch(how)
|
switch(how)
|
{
|
{
|
case EX_NAME:
|
case EX_NAME:
|
assert(name);
|
assert(name);
|
assert(!ex);
|
assert(!ex);
|
ret = 0xFFFF & my_val;
|
ret = 0xFFFF & my_val;
|
break;
|
break;
|
|
|
case EX_NUMBER:
|
case EX_NUMBER:
|
assert(!name);
|
assert(!name);
|
assert(!ex);
|
assert(!ex);
|
ret = 0xFFFF & my_val;
|
ret = 0xFFFF & my_val;
|
break;
|
break;
|
|
|
case EX_ADD:
|
case EX_ADD:
|
assert(ex);
|
assert(ex);
|
ret = 0xFFFF & (ex->GetValue() + my_val);
|
ret = 0xFFFF & (ex->GetValue() + my_val);
|
break;
|
break;
|
|
|
case EX_SUB:
|
case EX_SUB:
|
assert(ex);
|
assert(ex);
|
ret = 0xFFFF & (ex->GetValue() - my_val);
|
ret = 0xFFFF & (ex->GetValue() - my_val);
|
break;
|
break;
|
|
|
case EX_MULT:
|
case EX_MULT:
|
assert(ex);
|
assert(ex);
|
ret = 0xFFFF & (ex->GetValue() * my_val);
|
ret = 0xFFFF & (ex->GetValue() * my_val);
|
break;
|
break;
|
|
|
case EX_DIV:
|
case EX_DIV:
|
assert(ex);
|
assert(ex);
|
assert(0xFFFF & my_val);
|
assert(0xFFFF & my_val);
|
ret = 0xFFFF & (ex->GetValue() / my_val);
|
ret = 0xFFFF & (ex->GetValue() / my_val);
|
break;
|
break;
|
|
|
case EX_MOD:
|
case EX_MOD:
|
assert(ex);
|
assert(ex);
|
assert(0xFFFF & my_val);
|
assert(0xFFFF & my_val);
|
ret = 0xFFFF & (ex->GetValue() % my_val);
|
ret = 0xFFFF & (ex->GetValue() % my_val);
|
break;
|
break;
|
|
|
default: assert(0);
|
default: assert(0);
|
}
|
}
|
|
|
return ret;
|
return ret;
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
void Symbol::Advance(int pc)
|
void Symbol::Advance(int pc)
|
{
|
{
|
for (; current; current = current->tail)
|
for (; current; current = current->tail)
|
{
|
{
|
if (!current->label) continue;
|
if (!current->label) continue;
|
|
|
assert(current->expr);
|
assert(current->expr);
|
int nxt = current->expr->GetValue();
|
int nxt = current->expr->GetValue();
|
if (nxt > pc) return;
|
if (nxt > pc) return;
|
|
|
|
|
if (nxt == pc)
|
if (nxt == pc)
|
{
|
{
|
assert(current->identifier);
|
assert(current->identifier);
|
fprintf(list, "%s:\n", current->identifier);
|
fprintf(list, "%s:\n", current->identifier);
|
continue;
|
continue;
|
}
|
}
|
|
|
assert(0);
|
assert(0);
|
}
|
}
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
int Opcode::List(int pc)
|
int Opcode::List(int pc)
|
{
|
{
|
int len = 0;
|
int len = 0;
|
int ret = 0;
|
int ret = 0;
|
int real_opcode = GetOpcode(ret);
|
int real_opcode = GetOpcode(ret);
|
|
|
len += fprintf(list, " %4.4X: ", 0xFFFF & Reloc(reloc, pc));
|
len += fprintf(list, " %4.4X: ", 0xFFFF & Reloc(reloc, pc));
|
|
|
assert(op_text);
|
assert(op_text);
|
if (*op_text != '.')
|
if (*op_text != '.')
|
{
|
{
|
len += fprintf(list, "%2.2X ", real_opcode);
|
len += fprintf(list, "%2.2X ", real_opcode);
|
memory[mem_idx++] = real_opcode;
|
memory[mem_idx++] = real_opcode;
|
}
|
}
|
|
|
if (op_1) len += op_1->ListHex(op_how);
|
if (op_1) len += op_1->ListHex(op_how);
|
if (op_2) len += op_2->ListHex(op_how);
|
if (op_2) len += op_2->ListHex(op_how);
|
|
|
while (len < 20) len += fprintf(list, " ");
|
while (len < 20) len += fprintf(list, " ");
|
|
|
len += fprintf(list, "%s ", op_text);
|
len += fprintf(list, "%s ", op_text);
|
|
|
while (len < 22) len += fprintf(list, " ");
|
while (len < 22) len += fprintf(list, " ");
|
|
|
if (op_1) len += op_1->List(op_how);
|
if (op_1) len += op_1->List(op_how);
|
if (op_2)
|
if (op_2)
|
{
|
{
|
len += fprintf(list, ", ");
|
len += fprintf(list, ", ");
|
len += op_2->List(op_how);
|
len += op_2->List(op_how);
|
}
|
}
|
|
|
fprintf(list, "\n");
|
fprintf(list, "\n");
|
return ret;
|
return ret;
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
int Operand::ListHex(OP_HOW how)
|
int Operand::ListHex(OP_HOW how)
|
{
|
{
|
if (offset) return offset->ListHex(how);
|
if (offset) return offset->ListHex(how);
|
|
|
switch(GetLength(how))
|
switch(GetLength(how))
|
{
|
{
|
case 0: return 0;
|
case 0: return 0;
|
|
|
case 1: memory[mem_idx++] = GetValue();
|
case 1: memory[mem_idx++] = GetValue();
|
return fprintf(list, "%2.2X ", GetValue() & 0xFF);
|
return fprintf(list, "%2.2X ", GetValue() & 0xFF);
|
|
|
case 2: memory[mem_idx++] = GetValue();
|
case 2: memory[mem_idx++] = GetValue();
|
memory[mem_idx++] = GetValue() >> 8;
|
memory[mem_idx++] = GetValue() >> 8;
|
return fprintf(list, "%4.4X ", GetValue() & 0xFFFF);
|
return fprintf(list, "%4.4X ", GetValue() & 0xFFFF);
|
|
|
default: assert(0);
|
default: assert(0);
|
}
|
}
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
int Operand::List(OP_HOW how)
|
int Operand::List(OP_HOW how)
|
{
|
{
|
int len = 0;
|
int len = 0;
|
|
|
if (offset) len += offset->List(how);
|
if (offset) len += offset->List(how);
|
|
|
switch(attr)
|
switch(attr)
|
{
|
{
|
case ATT_NONE:
|
case ATT_NONE:
|
return len + ListBase(how);
|
return len + ListBase(how);
|
|
|
case ATT_OFFSET:
|
case ATT_OFFSET:
|
len += fprintf(list, "(");
|
len += fprintf(list, "(");
|
len += ListBase(how);
|
len += ListBase(how);
|
return len + fprintf(list, ")");
|
return len + fprintf(list, ")");
|
|
|
case ATT_POSTINC:
|
case ATT_POSTINC:
|
len += fprintf(list, "(");
|
len += fprintf(list, "(");
|
len += ListBase(how);
|
len += ListBase(how);
|
return len + fprintf(list, ")+");
|
return len + fprintf(list, ")+");
|
|
|
case ATT_PREDEC:
|
case ATT_PREDEC:
|
len += fprintf(list, "-(");
|
len += fprintf(list, "-(");
|
len += ListBase(how);
|
len += ListBase(how);
|
return len + fprintf(list, ")");
|
return len + fprintf(list, ")");
|
|
|
case ATT_CONTENT:
|
case ATT_CONTENT:
|
case ATT_PORT:
|
case ATT_PORT:
|
case ATT_ADDR:
|
case ATT_ADDR:
|
len += fprintf(list, "(");
|
len += fprintf(list, "(");
|
len += ListBase(how);
|
len += ListBase(how);
|
return len + fprintf(list, ")");
|
return len + fprintf(list, ")");
|
|
|
case ATT_IMM:
|
case ATT_IMM:
|
len += fprintf(list, "#");
|
len += fprintf(list, "#");
|
return len + ListBase(how);
|
return len + ListBase(how);
|
|
|
default: assert(0);
|
default: assert(0);
|
}
|
}
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
int Operand::ListBase(OP_HOW how)
|
int Operand::ListBase(OP_HOW how)
|
{
|
{
|
if (base != EXPR)
|
if (base != EXPR)
|
{
|
{
|
assert(op_text);
|
assert(op_text);
|
return fprintf(list, op_text);
|
return fprintf(list, op_text);
|
}
|
}
|
|
|
if (expr) return expr->ListBase();
|
if (expr) return expr->ListBase();
|
|
|
switch(GetLength(how))
|
switch(GetLength(how))
|
{
|
{
|
case 0: // quick
|
case 0: // quick
|
case 1: return fprintf(list, "%2.2X", GetValue() & 0x0FF);
|
case 1: return fprintf(list, "%2.2X", GetValue() & 0x0FF);
|
case 2: return fprintf(list, "%4.4X", GetValue() & 0x0FFFF);
|
case 2: return fprintf(list, "%4.4X", GetValue() & 0x0FFFF);
|
}
|
}
|
|
|
assert(0);
|
assert(0);
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
int Opcode::GetOpcode(int & len) const
|
int Opcode::GetOpcode(int & len) const
|
{
|
{
|
len = GetLength();
|
len = GetLength();
|
|
|
switch(op_how)
|
switch(op_how)
|
{
|
{
|
case H_BYTE:
|
case H_BYTE:
|
case H_WORD: return op_code;
|
case H_WORD: return op_code;
|
case H_NONE: if (len == 1) return op_code;
|
case H_NONE: if (len == 1) return op_code;
|
if (len == 2)
|
if (len == 2)
|
{
|
{
|
assert(op_code & 0x0F1 == 0x61);
|
assert(op_code & 0x0F1 == 0x61);
|
return op_code | 0x01;
|
return op_code | 0x01;
|
}
|
}
|
if (len == 3)
|
if (len == 3)
|
{
|
{
|
assert(op_code & 0x0F1 == 0x60);
|
assert(op_code & 0x0F1 == 0x60);
|
return op_code;
|
return op_code;
|
}
|
}
|
|
|
assert(0);
|
assert(0);
|
case H_PORT: if (len == 2) return op_code;
|
case H_PORT: if (len == 2) return op_code;
|
assert(0);
|
assert(0);
|
|
|
case H_sBW:
|
case H_sBW:
|
case H_uBW: assert((op_code & 0x01) == 0);
|
case H_uBW: assert((op_code & 0x01) == 0);
|
if (len == 2) return op_code | 0x01;
|
if (len == 2) return op_code | 0x01;
|
if (len == 3) return op_code;
|
if (len == 3) return op_code;
|
Error();
|
Error();
|
assert(0);
|
assert(0);
|
|
|
case H_uQBW:
|
case H_uQBW:
|
case H_sQBW: assert(op_1);
|
case H_sQBW: assert(op_1);
|
assert(op_2);
|
assert(op_2);
|
assert((op_code & 0x0F) == 0);
|
assert((op_code & 0x0F) == 0);
|
if (len == 3) return 0xF0 | op_code >> 3;
|
if (len == 3) return 0xF0 | op_code >> 3;
|
if (len == 2) return 0xF1 | op_code >> 3;
|
if (len == 2) return 0xF1 | op_code >> 3;
|
|
|
assert(len == 1);
|
assert(len == 1);
|
if (op_code == 0xC0) // MOVE #, RR
|
if (op_code == 0xC0) // MOVE #, RR
|
return op_code | op_1->GetValue() & 0x0F;
|
return op_code | op_1->GetValue() & 0x0F;
|
if (op_code == 0xE0) // MOVE #, LL
|
if (op_code == 0xE0) // MOVE #, LL
|
return op_code | op_1->GetValue() & 0x0F;
|
return op_code | op_1->GetValue() & 0x0F;
|
|
|
return op_code | op_2->GetValue() & 0x0F;
|
return op_code | op_2->GetValue() & 0x0F;
|
|
|
}
|
}
|
assert(0);
|
assert(0);
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
void Opcode::Error() const
|
void Opcode::Error() const
|
{
|
{
|
fprintf(stderr, "Error: ");
|
fprintf(stderr, "Error: ");
|
if (op_text) fprintf(stderr, "%s ", op_text);
|
if (op_text) fprintf(stderr, "%s ", op_text);
|
fprintf(stderr, "%X", op_code);
|
fprintf(stderr, "%X", op_code);
|
fprintf(stderr, "\n");
|
fprintf(stderr, "\n");
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
void write_intel_record(FILE * out, int adr, int len)
|
void write_intel_record(FILE * out, int adr, int len)
|
{
|
{
|
char checksum = 0;
|
char checksum = 0;
|
|
|
fprintf(out, ":");
|
fprintf(out, ":");
|
|
|
fprintf(out, "%2.2X", len & 0xFF);
|
fprintf(out, "%2.2X", len & 0xFF);
|
checksum += len;
|
checksum += len;
|
|
|
fprintf(out, "%4.4X", adr & 0xFFFF);
|
fprintf(out, "%4.4X", adr & 0xFFFF);
|
checksum += adr >> 8;
|
checksum += adr >> 8;
|
checksum += adr;
|
checksum += adr;
|
|
|
if (len == 0) { fprintf(out, "01"); checksum ++; } // end of file
|
if (len == 0) { fprintf(out, "01"); checksum ++; } // end of file
|
else { fprintf(out, "00"); } // data
|
else { fprintf(out, "00"); } // data
|
|
|
for (int i = adr; i < adr + len; i++)
|
for (int i = adr; i < adr + len; i++)
|
{
|
{
|
fprintf(out, "%2.2X", memory[i] & 0xFF);
|
fprintf(out, "%2.2X", memory[i] & 0xFF);
|
checksum += memory[i];
|
checksum += memory[i];
|
}
|
}
|
|
|
fprintf(out, "%2.2X", (-checksum) & 0xFF);
|
fprintf(out, "%2.2X", (-checksum) & 0xFF);
|
fprintf(out, "\n");
|
fprintf(out, "\n");
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
void write_intel_hex(FILE * out)
|
void write_intel_hex(FILE * out)
|
{
|
{
|
for (int i = 0; i < mem_idx; i += 16)
|
for (int i = 0; i < mem_idx; i += 16)
|
{
|
{
|
int len = mem_idx - i;
|
int len = mem_idx - i;
|
if (len > 16) len = 16;
|
if (len > 16) len = 16;
|
write_intel_record(out, i, len);
|
write_intel_record(out, i, len);
|
}
|
}
|
write_intel_record(out, 0, 0);
|
write_intel_record(out, 0, 0);
|
}
|
}
|
//-----------------------------------------------------------------------------
|
//-----------------------------------------------------------------------------
|
|
|
