diff options
| -rw-r--r-- | hw/xfree86/x86emu/ops.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/hw/xfree86/x86emu/ops.c b/hw/xfree86/x86emu/ops.c index 21a034712..c6b2f0a4b 100644 --- a/hw/xfree86/x86emu/ops.c +++ b/hw/xfree86/x86emu/ops.c @@ -9693,3 +9693,3 @@ static void x86emuOp_jump_near_IMM(u8 X86EMU_UNUSED(op1)) { - int ip; + u32 ip; @@ -9697,7 +9697,15 @@ static void x86emuOp_jump_near_IMM(u8 X86EMU_UNUSED(op1)) DECODE_PRINTF("JMP\t"); - ip = (s16)fetch_word_imm(); - ip += (s16)M.x86.R_IP; - DECODE_PRINTF2("%04x\n", (u16)ip); - TRACE_AND_STEP(); - M.x86.R_IP = (u16)ip; + if (M.x86.mode & SYSMODE_PREFIX_DATA) { + ip = (u32)fetch_long_imm(); + ip += (u32)M.x86.R_EIP; + DECODE_PRINTF2("%08x\n", (u32)ip); + TRACE_AND_STEP(); + M.x86.R_EIP = (u32)ip; + } else { + ip = (s16)fetch_word_imm(); + ip += (s16)M.x86.R_IP; + DECODE_PRINTF2("%04x\n", (u16)ip); + TRACE_AND_STEP(); + M.x86.R_IP = (u16)ip; + } DECODE_CLEAR_SEGOVR(); |