Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added code generation for JCXZ, LOOP, JE, JNE, JS, JNS, JB, JNB, JO, JNO, JP and JNP.

Browse source
This commit is contained in:
TomW 2015-04-14 20:40:40 +01:00
commit bbf0011e95
8 changed files with 485 additions and 42 deletions
Download patch file Download diff file Expand all files Collapse all files

30
src/codegen_ops_arith.h
View file

@ -13,6 +13,8 @@ static uint32_t ropINC_rw(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
STORE_IMM_ADDR_L((uint32_t)&flags_op, FLAGS_INC16);
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
STORE_REG_W_RELEASE(host_reg);
codegen_flags_changed = 1;
return op_pc;
}
@ -31,6 +33,8 @@ static uint32_t ropINC_rl(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
STORE_REG_L_RELEASE(host_reg);
codegen_flags_changed = 1;
return op_pc;
}
static uint32_t ropDEC_rw(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
@ -49,6 +53,8 @@ static uint32_t ropDEC_rw(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
STORE_REG_W_RELEASE(host_reg);
codegen_flags_changed = 1;
return op_pc;
}
static uint32_t ropDEC_rl(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
@ -66,6 +72,8 @@ static uint32_t ropDEC_rl(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
STORE_REG_L_RELEASE(host_reg);
codegen_flags_changed = 1;
return op_pc;
}
@ -88,6 +96,7 @@ static uint32_t ropDEC_rl(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
else RELEASE_REG(dst_reg); \
RELEASE_REG(src_reg); \
\
codegen_flags_changed = 1; \
return op_pc + 1; \
} \
static uint32_t rop ## name ## _w_rmw(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block) \
@ -108,6 +117,7 @@ static uint32_t ropDEC_rl(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
else RELEASE_REG(dst_reg); \
RELEASE_REG(src_reg); \
\
codegen_flags_changed = 1; \
return op_pc + 1; \
} \
static uint32_t rop ## name ## _l_rmw(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block) \
@ -128,6 +138,7 @@ static uint32_t ropDEC_rl(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
else RELEASE_REG(dst_reg); \
RELEASE_REG(src_reg); \
\
codegen_flags_changed = 1; \
return op_pc + 1; \
} \
static uint32_t rop ## name ## _b_rm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block) \
@ -156,6 +167,7 @@ static uint32_t ropDEC_rl(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
else RELEASE_REG(dst_reg); \
RELEASE_REG(src_reg); \
\
codegen_flags_changed = 1; \
return op_pc + 1; \
} \
static uint32_t rop ## name ## _w_rm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block) \
@ -184,6 +196,7 @@ static uint32_t ropDEC_rl(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
else RELEASE_REG(dst_reg); \
RELEASE_REG(src_reg); \
\
codegen_flags_changed = 1; \
return op_pc + 1; \
} \
static uint32_t rop ## name ## _l_rm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block) \
@ -212,6 +225,7 @@ static uint32_t ropDEC_rl(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uin
else RELEASE_REG(dst_reg); \
RELEASE_REG(src_reg); \
\
codegen_flags_changed = 1; \
return op_pc + 1; \
}
@ -229,7 +243,8 @@ static uint32_t ropADD_AL_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32,
STORE_IMM_ADDR_L((uint32_t)&flags_op, FLAGS_ADD8);
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
STORE_REG_B_RELEASE(host_reg);
codegen_flags_changed = 1;
return op_pc + 1;
}
static uint32_t ropADD_AX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
@ -243,6 +258,7 @@ static uint32_t ropADD_AX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32,
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
STORE_REG_W_RELEASE(host_reg);
codegen_flags_changed = 1;
return op_pc + 2;
}
static uint32_t ropADD_EAX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
@ -257,6 +273,7 @@ static uint32_t ropADD_EAX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
STORE_REG_L_RELEASE(host_reg);
codegen_flags_changed = 1;
return op_pc + 4;
}
@ -271,6 +288,7 @@ static uint32_t ropCMP_AL_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32,
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
RELEASE_REG(host_reg);
codegen_flags_changed = 1;
return op_pc + 1;
}
static uint32_t ropCMP_AX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
@ -284,6 +302,7 @@ static uint32_t ropCMP_AX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32,
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
RELEASE_REG(host_reg);
codegen_flags_changed = 1;
return op_pc + 2;
}
static uint32_t ropCMP_EAX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
@ -298,6 +317,7 @@ static uint32_t ropCMP_EAX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
RELEASE_REG(host_reg);
codegen_flags_changed = 1;
return op_pc + 4;
}
@ -312,6 +332,7 @@ static uint32_t ropSUB_AL_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32,
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
STORE_REG_B_RELEASE(host_reg);
codegen_flags_changed = 1;
return op_pc + 1;
}
static uint32_t ropSUB_AX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
@ -325,6 +346,7 @@ static uint32_t ropSUB_AX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32,
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
STORE_REG_W_RELEASE(host_reg);
codegen_flags_changed = 1;
return op_pc + 2;
}
static uint32_t ropSUB_EAX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
@ -339,6 +361,7 @@ static uint32_t ropSUB_EAX_imm(uint8_t opcode, uint32_t fetchdat, uint32_t op_32
STORE_HOST_REG_ADDR((uint32_t)&flags_res, host_reg);
STORE_REG_L_RELEASE(host_reg);
codegen_flags_changed = 1;
return op_pc + 4;
}
@ -393,6 +416,7 @@ static uint32_t rop80(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_
else
RELEASE_REG(host_reg);
codegen_flags_changed = 1;
return op_pc + 2;
}
@ -447,6 +471,7 @@ static uint32_t rop81_w(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint3
else
RELEASE_REG(host_reg);
codegen_flags_changed = 1;
return op_pc + 3;
}
static uint32_t rop81_l(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
@ -501,6 +526,7 @@ static uint32_t rop81_l(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint3
else
RELEASE_REG(host_reg);
codegen_flags_changed = 1;
return op_pc + 5;
}
@ -557,6 +583,7 @@ static uint32_t rop83_w(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint3
else
RELEASE_REG(host_reg);
codegen_flags_changed = 1;
return op_pc + 2;
}
static uint32_t rop83_l(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block)
@ -612,5 +639,6 @@ static uint32_t rop83_l(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint3
else
RELEASE_REG(host_reg);
codegen_flags_changed = 1;
return op_pc + 2;
}