From 0330b2ddf9eb35c1f3e5080177e7a3ab1678462e Mon Sep 17 00:00:00 2001 From: Mike Pavone Date: Wed, 8 May 2013 23:44:49 -0700 Subject: Complete flag behavior for Z80 BIT instruction --- z80_to_x86.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'z80_to_x86.c') diff --git a/z80_to_x86.c b/z80_to_x86.c index bbd0288..bd17cb0 100644 --- a/z80_to_x86.c +++ b/z80_to_x86.c @@ -1160,6 +1160,14 @@ uint8_t * translate_z80inst(z80inst * inst, uint8_t * dst, z80_context * context } dst = bt_ir(dst, inst->immed, src_op.base, SZ_B); dst = setcc_rdisp8(dst, CC_NC, CONTEXT, zf_off(ZF_Z)); + dst = setcc_rdisp8(dst, CC_NC, CONTEXT, zf_off(ZF_PV)); + dst = mov_irdisp8(dst, 0, CONTEXT, zf_off(ZF_N), SZ_B); + if (inst->immed == 7) { + dst = cmp_ir(dst, 0, src_op.base, SZ_B); + dst = setcc_rdisp8(dst, CC_S, CONTEXT, zf_off(ZF_S)); + } else { + dst = mov_irdisp8(dst, 0, CONTEXT, zf_off(ZF_S), SZ_B); + } break; case Z80_SET: cycles = (inst->addr_mode == Z80_IX_DISPLACE || inst->addr_mode == Z80_IY_DISPLACE) ? 8 : 16; -- cgit v1.2.3