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

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

View file

@ -7,6 +7,7 @@ static int opMOVZX_w_b_a16(uint32_t fetchdat)
cpu_state.regs[cpu_reg].w = (uint16_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVZX_w_b_a32(uint32_t fetchdat)
@ -18,6 +19,7 @@ static int opMOVZX_w_b_a32(uint32_t fetchdat)
cpu_state.regs[cpu_reg].w = (uint16_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
static int opMOVZX_l_b_a16(uint32_t fetchdat)
@ -29,6 +31,7 @@ static int opMOVZX_l_b_a16(uint32_t fetchdat)
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVZX_l_b_a32(uint32_t fetchdat)
@ -40,6 +43,7 @@ static int opMOVZX_l_b_a32(uint32_t fetchdat)
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
static int opMOVZX_w_w_a16(uint32_t fetchdat)
@ -51,6 +55,7 @@ static int opMOVZX_w_w_a16(uint32_t fetchdat)
cpu_state.regs[cpu_reg].w = temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVZX_w_w_a32(uint32_t fetchdat)
@ -62,6 +67,7 @@ static int opMOVZX_w_w_a32(uint32_t fetchdat)
cpu_state.regs[cpu_reg].w = temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
static int opMOVZX_l_w_a16(uint32_t fetchdat)
@ -73,6 +79,7 @@ static int opMOVZX_l_w_a16(uint32_t fetchdat)
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVZX_l_w_a32(uint32_t fetchdat)
@ -84,6 +91,7 @@ static int opMOVZX_l_w_a32(uint32_t fetchdat)
cpu_state.regs[cpu_reg].l = (uint32_t)temp;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
@ -98,6 +106,7 @@ static int opMOVSX_w_b_a16(uint32_t fetchdat)
cpu_state.regs[cpu_reg].w |= 0xff00;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVSX_w_b_a32(uint32_t fetchdat)
@ -111,6 +120,7 @@ static int opMOVSX_w_b_a32(uint32_t fetchdat)
cpu_state.regs[cpu_reg].w |= 0xff00;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
static int opMOVSX_l_b_a16(uint32_t fetchdat)
@ -124,6 +134,7 @@ static int opMOVSX_l_b_a16(uint32_t fetchdat)
cpu_state.regs[cpu_reg].l |= 0xffffff00;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVSX_l_b_a32(uint32_t fetchdat)
@ -137,6 +148,7 @@ static int opMOVSX_l_b_a32(uint32_t fetchdat)
cpu_state.regs[cpu_reg].l |= 0xffffff00;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}
static int opMOVSX_l_w_a16(uint32_t fetchdat)
@ -150,6 +162,7 @@ static int opMOVSX_l_w_a16(uint32_t fetchdat)
cpu_state.regs[cpu_reg].l |= 0xffff0000;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 0);
return 0;
}
static int opMOVSX_l_w_a32(uint32_t fetchdat)
@ -163,5 +176,6 @@ static int opMOVSX_l_w_a32(uint32_t fetchdat)
cpu_state.regs[cpu_reg].l |= 0xffff0000;
CLOCK_CYCLES(3);
PREFETCH_RUN(3, 2, rmdat, (cpu_mod == 3) ? 0:1,0,0,0, 1);
return 0;
}