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x86: mov r, DR6 now always writes bits 4-11 and bits 16-31 as 1

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Cacodemon345
2022-08-04 16:17:55 +06:00
parent 61828a89fc
commit ab154faf88
1 changed files with 2 additions and 2 deletions
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4
src/cpu/x86_ops_mov_ctrl.h
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@@ -91,7 +91,7 @@ static int opMOV_r_DRx_a16(uint32_t fetchdat)
return 1;
}
fetch_ea_16(fetchdat);
cpu_state.regs[cpu_rm].l = dr[cpu_reg];
cpu_state.regs[cpu_rm].l = dr[cpu_reg] | (cpu_reg == 6 ? 0xffff0ff0u : 0);
CLOCK_CYCLES(6);
PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 0);
return 0;
@@ -104,7 +104,7 @@ static int opMOV_r_DRx_a32(uint32_t fetchdat)
return 1;
}
fetch_ea_32(fetchdat);
cpu_state.regs[cpu_rm].l = dr[cpu_reg];
cpu_state.regs[cpu_rm].l = dr[cpu_reg] | (cpu_reg == 6 ? 0xffff0ff0u : 0);
CLOCK_CYCLES(6);
PREFETCH_RUN(6, 2, rmdat, 0,0,0,0, 1);
return 0;