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Added prefetch timing approximation for 286/386 CPUs, with configurable memory timing.

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This commit is contained in:
SarahW 2016-11-25 21:32:02 +00:00
commit 1b73963997
33 changed files with 1139 additions and 261 deletions
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16
src/x86_ops_bit.h
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@ -11,6 +11,7 @@ static int opBT_w_r_a16(uint32_t fetchdat)
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, 1,0,0,0, 0);
return 0;
}
static int opBT_w_r_a32(uint32_t fetchdat)
@ -25,6 +26,7 @@ static int opBT_w_r_a32(uint32_t fetchdat)
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, 1,0,0,0, 1);
return 0;
}
static int opBT_l_r_a16(uint32_t fetchdat)
@ -39,6 +41,7 @@ static int opBT_l_r_a16(uint32_t fetchdat)
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, 0,1,0,0, 0);
return 0;
}
static int opBT_l_r_a32(uint32_t fetchdat)
@ -53,6 +56,7 @@ static int opBT_l_r_a32(uint32_t fetchdat)
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, 0,1,0,0, 1);
return 0;
}
@ -73,6 +77,7 @@ static int opBT_l_r_a32(uint32_t fetchdat)
else flags &= ~C_FLAG; \
\
CLOCK_CYCLES(6); \
PREFETCH_RUN(6, 2, rmdat, 1,0,1,0, 0); \
return 0; \
} \
static int opBT ## name ## _w_r_a32(uint32_t fetchdat) \
@ -91,6 +96,7 @@ static int opBT_l_r_a32(uint32_t fetchdat)
else flags &= ~C_FLAG; \
\
CLOCK_CYCLES(6); \
PREFETCH_RUN(6, 2, rmdat, 1,0,1,0, 1); \
return 0; \
} \
static int opBT ## name ## _l_r_a16(uint32_t fetchdat) \
@ -109,6 +115,7 @@ static int opBT_l_r_a32(uint32_t fetchdat)
else flags &= ~C_FLAG; \
\
CLOCK_CYCLES(6); \
PREFETCH_RUN(6, 2, rmdat, 0,1,0,1, 0); \
return 0; \
} \
static int opBT ## name ## _l_r_a32(uint32_t fetchdat) \
@ -127,6 +134,7 @@ static int opBT_l_r_a32(uint32_t fetchdat)
else flags &= ~C_FLAG; \
\
CLOCK_CYCLES(6); \
PREFETCH_RUN(6, 2, rmdat, 0,1,0,1, 1); \
return 0; \
}
@ -151,6 +159,7 @@ static int opBA_w_a16(uint32_t fetchdat)
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 3, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
case 0x28: /*BTS w,imm*/
temp |= (1 << count);
@ -172,6 +181,7 @@ static int opBA_w_a16(uint32_t fetchdat)
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(6);
PREFETCH_RUN(6, 3, rmdat, (cpu_mod == 3) ? 0:1,0,(cpu_mod == 3) ? 0:1,0, 0);
return 0;
}
static int opBA_w_a32(uint32_t fetchdat)
@ -191,6 +201,7 @@ static int opBA_w_a32(uint32_t fetchdat)
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 3, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
case 0x28: /*BTS w,imm*/
temp |= (1 << count);
@ -212,6 +223,7 @@ static int opBA_w_a32(uint32_t fetchdat)
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(6);
PREFETCH_RUN(6, 3, rmdat, (cpu_mod == 3) ? 0:1,0,(cpu_mod == 3) ? 0:1,0, 0);
return 0;
}
@ -232,6 +244,7 @@ static int opBA_l_a16(uint32_t fetchdat)
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 3, rmdat, 0,(cpu_mod == 3) ? 0:1,0,0, 0);
return 0;
case 0x28: /*BTS w,imm*/
temp |= (1 << count);
@ -253,6 +266,7 @@ static int opBA_l_a16(uint32_t fetchdat)
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(6);
PREFETCH_RUN(6, 3, rmdat, 0,(cpu_mod == 3) ? 0:1,0,(cpu_mod == 3) ? 0:1, 0);
return 0;
}
static int opBA_l_a32(uint32_t fetchdat)
@ -272,6 +286,7 @@ static int opBA_l_a32(uint32_t fetchdat)
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 3, rmdat, 0,(cpu_mod == 3) ? 0:1,0,0, 1);
return 0;
case 0x28: /*BTS w,imm*/
temp |= (1 << count);
@ -293,5 +308,6 @@ static int opBA_l_a32(uint32_t fetchdat)
if (tempc) flags |= C_FLAG;
else flags &= ~C_FLAG;
CLOCK_CYCLES(6);
PREFETCH_RUN(6, 3, rmdat, 0,(cpu_mod == 3) ? 0:1,0,(cpu_mod == 3) ? 0:1, 1);
return 0;
}