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

Moved integer registers, PC and flags_* variables into new cpu_state structure. Reduces recompiled code size slightly, small speedup (1-3%).

Browse source
This commit is contained in:
SarahW 2016-04-20 21:39:41 +01:00
commit c81a91fd72
52 changed files with 1494 additions and 1408 deletions
Download patch file Download diff file Expand all files Collapse all files

42
src/x86_ops_mov.h
View file

@ -157,7 +157,7 @@ static int opMOV_b_imm_a16(uint32_t fetchdat)
{
uint8_t temp;
fetch_ea_16(fetchdat);
temp = readmemb(cs,pc); pc++; if (abrt) return 1;
temp = readmemb(cs,cpu_state.pc); cpu_state.pc++; if (abrt) return 1;
CHECK_WRITE(ea_seg, eaaddr, eaaddr);
seteab(temp);
CLOCK_CYCLES(timing_rr);
@ -308,7 +308,7 @@ static int opLEA_w_a16(uint32_t fetchdat)
{
fetch_ea_16(fetchdat);
ILLEGAL_ON(mod == 3);
regs[reg].w = eaaddr;
cpu_state.regs[reg].w = eaaddr;
CLOCK_CYCLES(timing_rr);
return 0;
}
@ -316,7 +316,7 @@ static int opLEA_w_a32(uint32_t fetchdat)
{
fetch_ea_32(fetchdat);
ILLEGAL_ON(mod == 3);
regs[reg].w = eaaddr;
cpu_state.regs[reg].w = eaaddr;
CLOCK_CYCLES(timing_rr);
return 0;
}
@ -325,7 +325,7 @@ static int opLEA_l_a16(uint32_t fetchdat)
{
fetch_ea_16(fetchdat);
ILLEGAL_ON(mod == 3);
regs[reg].l = eaaddr & 0xffff;
cpu_state.regs[reg].l = eaaddr & 0xffff;
CLOCK_CYCLES(timing_rr);
return 0;
}
@ -333,7 +333,7 @@ static int opLEA_l_a32(uint32_t fetchdat)
{
fetch_ea_32(fetchdat);
ILLEGAL_ON(mod == 3);
regs[reg].l = eaaddr;
cpu_state.regs[reg].l = eaaddr;
CLOCK_CYCLES(timing_rr);
return 0;
}
@ -394,13 +394,13 @@ static int opMOV_w_r_a16(uint32_t fetchdat)
fetch_ea_16(fetchdat);
if (mod == 3)
{
regs[rm].w = regs[reg].w;
cpu_state.regs[rm].w = cpu_state.regs[reg].w;
CLOCK_CYCLES(timing_rr);
}
else
{
CHECK_WRITE(ea_seg, eaaddr, eaaddr+1);
seteaw(regs[reg].w);
seteaw(cpu_state.regs[reg].w);
CLOCK_CYCLES(is486 ? 1 : 2);
}
return abrt;
@ -410,13 +410,13 @@ static int opMOV_w_r_a32(uint32_t fetchdat)
fetch_ea_32(fetchdat);
if (mod == 3)
{
regs[rm].w = regs[reg].w;
cpu_state.regs[rm].w = cpu_state.regs[reg].w;
CLOCK_CYCLES(timing_rr);
}
else
{
CHECK_WRITE(ea_seg, eaaddr, eaaddr+1);
seteaw(regs[reg].w);
seteaw(cpu_state.regs[reg].w);
CLOCK_CYCLES(is486 ? 1 : 2);
}
return abrt;
@ -426,13 +426,13 @@ static int opMOV_l_r_a16(uint32_t fetchdat)
fetch_ea_16(fetchdat);
if (mod == 3)
{
regs[rm].l = regs[reg].l;
cpu_state.regs[rm].l = cpu_state.regs[reg].l;
CLOCK_CYCLES(timing_rr);
}
else
{
CHECK_WRITE(ea_seg, eaaddr, eaaddr+3);
seteal(regs[reg].l);
seteal(cpu_state.regs[reg].l);
CLOCK_CYCLES(is486 ? 1 : 2);
}
return abrt;
@ -442,13 +442,13 @@ static int opMOV_l_r_a32(uint32_t fetchdat)
fetch_ea_32(fetchdat);
if (mod == 3)
{
regs[rm].l = regs[reg].l;
cpu_state.regs[rm].l = cpu_state.regs[reg].l;
CLOCK_CYCLES(timing_rr);
}
else
{
CHECK_WRITE(ea_seg, eaaddr, eaaddr+3);
seteal(regs[reg].l);
seteal(cpu_state.regs[reg].l);
CLOCK_CYCLES(is486 ? 1 : 2);
}
return abrt;
@ -495,7 +495,7 @@ static int opMOV_r_w_a16(uint32_t fetchdat)
fetch_ea_16(fetchdat);
if (mod == 3)
{
regs[reg].w = regs[rm].w;
cpu_state.regs[reg].w = cpu_state.regs[rm].w;
CLOCK_CYCLES(timing_rr);
}
else
@ -503,7 +503,7 @@ static int opMOV_r_w_a16(uint32_t fetchdat)
uint16_t temp;
CHECK_READ(ea_seg, eaaddr, eaaddr+1);
temp = geteaw(); if (abrt) return 1;
regs[reg].w = temp;
cpu_state.regs[reg].w = temp;
CLOCK_CYCLES((is486) ? 1 : 4);
}
return 0;
@ -513,7 +513,7 @@ static int opMOV_r_w_a32(uint32_t fetchdat)
fetch_ea_32(fetchdat);
if (mod == 3)
{
regs[reg].w = regs[rm].w;
cpu_state.regs[reg].w = cpu_state.regs[rm].w;
CLOCK_CYCLES(timing_rr);
}
else
@ -521,7 +521,7 @@ static int opMOV_r_w_a32(uint32_t fetchdat)
uint16_t temp;
CHECK_READ(ea_seg, eaaddr, eaaddr+1);
temp = geteaw(); if (abrt) return 1;
regs[reg].w = temp;
cpu_state.regs[reg].w = temp;
CLOCK_CYCLES((is486) ? 1 : 4);
}
return 0;
@ -531,7 +531,7 @@ static int opMOV_r_l_a16(uint32_t fetchdat)
fetch_ea_16(fetchdat);
if (mod == 3)
{
regs[reg].l = regs[rm].l;
cpu_state.regs[reg].l = cpu_state.regs[rm].l;
CLOCK_CYCLES(timing_rr);
}
else
@ -539,7 +539,7 @@ static int opMOV_r_l_a16(uint32_t fetchdat)
uint32_t temp;
CHECK_READ(ea_seg, eaaddr, eaaddr+3);
temp = geteal(); if (abrt) return 1;
regs[reg].l = temp;
cpu_state.regs[reg].l = temp;
CLOCK_CYCLES(is486 ? 1 : 4);
}
return 0;
@ -549,7 +549,7 @@ static int opMOV_r_l_a32(uint32_t fetchdat)
fetch_ea_32(fetchdat);
if (mod == 3)
{
regs[reg].l = regs[rm].l;
cpu_state.regs[reg].l = cpu_state.regs[rm].l;
CLOCK_CYCLES(timing_rr);
}
else
@ -557,7 +557,7 @@ static int opMOV_r_l_a32(uint32_t fetchdat)
uint32_t temp;
CHECK_READ(ea_seg, eaaddr, eaaddr+3);
temp = geteal(); if (abrt) return 1;
regs[reg].l = temp;
cpu_state.regs[reg].l = temp;
CLOCK_CYCLES(is486 ? 1 : 4);
}
return 0;