| Line 270... |
Line 270... |
alu_function := alu_add;
|
alu_function := alu_add;
|
when "001010" => --SLTI r[rt]=r[rs]<(short)imm;
|
when "001010" => --SLTI r[rt]=r[rs]<(short)imm;
|
b_source := b_from_signed_imm;
|
b_source := b_from_signed_imm;
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c_source := c_from_alu;
|
c_source := c_from_alu;
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rd := rt;
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rd := rt;
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alu_function := alu_less_than;
|
alu_function := alu_less_than_signed;
|
when "001011" => --SLTIU u[rt]=u[rs]<(unsigned long)(short)imm;
|
when "001011" => --SLTIU u[rt]=u[rs]<(unsigned long)(short)imm;
|
b_source := b_from_imm;
|
b_source := b_from_imm;
|
c_source := c_from_alu;
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c_source := c_from_alu;
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rd := rt;
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rd := rt;
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alu_function := alu_less_than;
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alu_function := alu_less_than;
|
| Line 334... |
Line 334... |
alu_function := alu_add;
|
alu_function := alu_add;
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pc_source := from_lbranch;
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pc_source := from_lbranch;
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branch_function := branch_gtz;
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branch_function := branch_gtz;
|
when "100000" => --LB r[rt]=*(signed char*)ptr;
|
when "100000" => --LB r[rt]=*(signed char*)ptr;
|
a_source := a_from_reg_source;
|
a_source := a_from_reg_source;
|
b_source := b_from_imm;
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b_source := b_from_signed_imm;
|
alu_function := alu_add;
|
alu_function := alu_add;
|
rd := rt;
|
rd := rt;
|
c_source := c_from_memory;
|
c_source := c_from_memory;
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mem_source := mem_read8s; --address=(short)imm+r[rs];
|
mem_source := mem_read8s; --address=(short)imm+r[rs];
|
when "100001" => --LH r[rt]=*(signed short*)ptr;
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when "100001" => --LH r[rt]=*(signed short*)ptr;
|
a_source := a_from_reg_source;
|
a_source := a_from_reg_source;
|
b_source := b_from_imm;
|
b_source := b_from_signed_imm;
|
alu_function := alu_add;
|
alu_function := alu_add;
|
rd := rt;
|
rd := rt;
|
c_source := c_from_memory;
|
c_source := c_from_memory;
|
mem_source := mem_read16s; --address=(short)imm+r[rs];
|
mem_source := mem_read16s; --address=(short)imm+r[rs];
|
when "100010" => --LWL //Not Implemented
|
when "100010" => --LWL //Not Implemented
|
a_source := a_from_reg_source;
|
a_source := a_from_reg_source;
|
b_source := b_from_imm;
|
b_source := b_from_signed_imm;
|
alu_function := alu_add;
|
alu_function := alu_add;
|
rd := rt;
|
rd := rt;
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c_source := c_from_memory;
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c_source := c_from_memory;
|
mem_source := mem_read32;
|
mem_source := mem_read32;
|
when "100011" => --LW r[rt]=*(long*)ptr;
|
when "100011" => --LW r[rt]=*(long*)ptr;
|
a_source := a_from_reg_source;
|
a_source := a_from_reg_source;
|
b_source := b_from_imm;
|
b_source := b_from_signed_imm;
|
alu_function := alu_add;
|
alu_function := alu_add;
|
rd := rt;
|
rd := rt;
|
c_source := c_from_memory;
|
c_source := c_from_memory;
|
mem_source := mem_read32;
|
mem_source := mem_read32;
|
when "100100" => --LBU r[rt]=*(unsigned char*)ptr;
|
when "100100" => --LBU r[rt]=*(unsigned char*)ptr;
|
a_source := a_from_reg_source;
|
a_source := a_from_reg_source;
|
b_source := b_from_imm;
|
b_source := b_from_signed_imm;
|
alu_function := alu_add;
|
alu_function := alu_add;
|
rd := rt;
|
rd := rt;
|
c_source := c_from_memory;
|
c_source := c_from_memory;
|
mem_source := mem_read8; --address=(short)imm+r[rs];
|
mem_source := mem_read8; --address=(short)imm+r[rs];
|
when "100101" => --LHU r[rt]=*(unsigned short*)ptr;
|
when "100101" => --LHU r[rt]=*(unsigned short*)ptr;
|
a_source := a_from_reg_source;
|
a_source := a_from_reg_source;
|
b_source := b_from_imm;
|
b_source := b_from_signed_imm;
|
alu_function := alu_add;
|
alu_function := alu_add;
|
rd := rt;
|
rd := rt;
|
c_source := c_from_memory;
|
c_source := c_from_memory;
|
mem_source := mem_read16; --address=(short)imm+r[rs];
|
mem_source := mem_read16; --address=(short)imm+r[rs];
|
when "100110" => --LWR //Not Implemented
|
when "100110" => --LWR //Not Implemented
|
when "101000" => --SB *(char*)ptr=(char)r[rt];
|
when "101000" => --SB *(char*)ptr=(char)r[rt];
|
a_source := a_from_reg_source;
|
a_source := a_from_reg_source;
|
b_source := b_from_imm;
|
b_source := b_from_signed_imm;
|
alu_function := alu_add;
|
alu_function := alu_add;
|
mem_source := mem_write8; --address=(short)imm+r[rs];
|
mem_source := mem_write8; --address=(short)imm+r[rs];
|
when "101001" => --SH *(short*)ptr=(short)r[rt];
|
when "101001" => --SH *(short*)ptr=(short)r[rt];
|
a_source := a_from_reg_source;
|
a_source := a_from_reg_source;
|
b_source := b_from_imm;
|
b_source := b_from_signed_imm;
|
alu_function := alu_add;
|
alu_function := alu_add;
|
mem_source := mem_write16;
|
mem_source := mem_write16;
|
when "101010" => --SWL //Not Implemented
|
when "101010" => --SWL //Not Implemented
|
a_source := a_from_reg_source;
|
a_source := a_from_reg_source;
|
b_source := b_from_imm;
|
b_source := b_from_signed_imm;
|
alu_function := alu_add;
|
alu_function := alu_add;
|
mem_source := mem_write32; --address=(short)imm+r[rs];
|
mem_source := mem_write32; --address=(short)imm+r[rs];
|
when "101011" => --SW *(long*)ptr=r[rt];
|
when "101011" => --SW *(long*)ptr=r[rt];
|
a_source := a_from_reg_source;
|
a_source := a_from_reg_source;
|
b_source := b_from_imm;
|
b_source := b_from_signed_imm;
|
alu_function := alu_add;
|
alu_function := alu_add;
|
mem_source := mem_write32; --address=(short)imm+r[rs];
|
mem_source := mem_write32; --address=(short)imm+r[rs];
|
when "101110" => --SWR //Not Implemented
|
when "101110" => --SWR //Not Implemented
|
when "101111" => --CACHE
|
when "101111" => --CACHE
|
when "110000" => --LL r[rt]=*(long*)ptr;
|
when "110000" => --LL r[rt]=*(long*)ptr;
|
