| Line 264... |
Line 264... |
Evaluates source operand op_no. */
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Evaluates source operand op_no. */
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|
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unsigned long eval_operand32 (int op_no, int *breakpoint)
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unsigned long eval_operand32 (int op_no, int *breakpoint)
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{
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{
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debug (9, "%i %08X\n", op_no, op[op_no + MAX_OPERANDS]);
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debug (9, "%i %08X\n", op_no, op[op_no + MAX_OPERANDS]);
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if (op[op_no + MAX_OPERANDS] & OPTYPE_DIS) {
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if (op[op_no + MAX_OPERANDS] & OPTYPE_DIS)
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if (op[op_no] & 0x03) {
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except_handle (EXCEPT_ALIGN, op[op_no]);
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return 0;
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}
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return eval_mem32 (op[op_no], breakpoint);
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return eval_mem32 (op[op_no], breakpoint);
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}
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else if (op[op_no + MAX_OPERANDS] & OPTYPE_REG)
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else if (op[op_no + MAX_OPERANDS] & OPTYPE_REG)
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return eval_reg (op[op_no]);
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return eval_reg (op[op_no]);
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else
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else
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return op[op_no];
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return op[op_no];
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}
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}
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| Line 285... |
Line 280... |
unsigned long eval_operand16 (int op_no, int *breakpoint)
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unsigned long eval_operand16 (int op_no, int *breakpoint)
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{
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{
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debug (9, "%i %08X\n", op_no, op[op_no + MAX_OPERANDS]);
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debug (9, "%i %08X\n", op_no, op[op_no + MAX_OPERANDS]);
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if (op[op_no + MAX_OPERANDS] & OPTYPE_DIS) {
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if (op[op_no + MAX_OPERANDS] & OPTYPE_DIS) {
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if (op[op_no] & 0x01) {
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if (op[op_no] & 0x01) {
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except_handle (EXCEPT_ALIGN, op[op_no]);
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return 0;
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return 0;
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}
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}
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return eval_mem16 (op[op_no], breakpoint);
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return eval_mem16 (op[op_no], breakpoint);
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}
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}
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else {
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else {
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| Line 427... |
Line 421... |
}
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}
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break_just_hit = 0;
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break_just_hit = 0;
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|
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instructions++;
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instructions++;
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|
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/* Added by CZ...catch alignment exception here */
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pc_phy &= ~0x03;
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if(pc_phy & 0x03)
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{
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except_handle(EXCEPT_ALIGN, 0);
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return 0; /* We will fetch exception wrapper at new location. */
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}
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#if 0
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#if 0
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if(pc_phy > MEMORY_START + MEMORY_LEN)
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if(pc_phy > MEMORY_START + MEMORY_LEN)
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pc_phy %= MEMORY_START + MEMORY_LEN;
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pc_phy %= MEMORY_START + MEMORY_LEN;
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#endif
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#endif
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