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Register operands on BOUND/LEA/LDS/LES/LFS/LGS/LSS now cause invalid opcode faults. Fixes NTVDM.

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This commit is contained in:
TomW 2014-04-27 11:40:03 +01:00
commit 81e24b9cb5
4 changed files with 31 additions and 0 deletions
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4
src/x86_ops_mov.h
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@ -306,6 +306,7 @@ static int opMOV_a32_EAX(uint32_t fetchdat)
static int opLEA_w_a16(uint32_t fetchdat)
{
fetch_ea_16(fetchdat);
ILLEGAL_ON(mod == 3);
regs[reg].w = eaaddr;
cycles -= timing_rr;
return 0;
@ -313,6 +314,7 @@ static int opLEA_w_a16(uint32_t fetchdat)
static int opLEA_w_a32(uint32_t fetchdat)
{
fetch_ea_32(fetchdat);
ILLEGAL_ON(mod == 3);
regs[reg].w = eaaddr;
cycles -= timing_rr;
return 0;
@ -321,6 +323,7 @@ static int opLEA_w_a32(uint32_t fetchdat)
static int opLEA_l_a16(uint32_t fetchdat)
{
fetch_ea_16(fetchdat);
ILLEGAL_ON(mod == 3);
regs[reg].l = eaaddr & 0xffff;
cycles -= timing_rr;
return 0;
@ -328,6 +331,7 @@ static int opLEA_l_a16(uint32_t fetchdat)
static int opLEA_l_a32(uint32_t fetchdat)
{
fetch_ea_32(fetchdat);
ILLEGAL_ON(mod == 3);
regs[reg].l = eaaddr;
cycles -= timing_rr;
return 0;