Mercurial > repos > blastem
comparison z80_to_x86.c @ 305:a57fac5b3d65
Contrary to the official documenation, OR and AND also set PV based on parity instead of overflow
author | Mike Pavone <pavone@retrodev.com> |
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date | Wed, 08 May 2013 23:29:21 -0700 |
parents | 8dcc9d14413c |
children | 3970006fae90 |
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304:8dcc9d14413c | 305:a57fac5b3d65 |
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676 //TODO: Cleanup flags | 676 //TODO: Cleanup flags |
677 dst = setcc_rdisp8(dst, CC_C, CONTEXT, zf_off(ZF_C)); | 677 dst = setcc_rdisp8(dst, CC_C, CONTEXT, zf_off(ZF_C)); |
678 dst = mov_irdisp8(dst, 0, CONTEXT, zf_off(ZF_N), SZ_B); | 678 dst = mov_irdisp8(dst, 0, CONTEXT, zf_off(ZF_N), SZ_B); |
679 //TODO: Implement half-carry flag | 679 //TODO: Implement half-carry flag |
680 if (z80_size(inst) == SZ_B) { | 680 if (z80_size(inst) == SZ_B) { |
681 dst = setcc_rdisp8(dst, CC_O, CONTEXT, zf_off(ZF_PV)); | 681 dst = setcc_rdisp8(dst, CC_P, CONTEXT, zf_off(ZF_PV)); |
682 dst = setcc_rdisp8(dst, CC_Z, CONTEXT, zf_off(ZF_Z)); | 682 dst = setcc_rdisp8(dst, CC_Z, CONTEXT, zf_off(ZF_Z)); |
683 dst = setcc_rdisp8(dst, CC_S, CONTEXT, zf_off(ZF_S)); | 683 dst = setcc_rdisp8(dst, CC_S, CONTEXT, zf_off(ZF_S)); |
684 } | 684 } |
685 dst = z80_save_reg(dst, inst, opts); | 685 dst = z80_save_reg(dst, inst, opts); |
686 dst = z80_save_ea(dst, inst, opts); | 686 dst = z80_save_ea(dst, inst, opts); |
705 //TODO: Cleanup flags | 705 //TODO: Cleanup flags |
706 dst = setcc_rdisp8(dst, CC_C, CONTEXT, zf_off(ZF_C)); | 706 dst = setcc_rdisp8(dst, CC_C, CONTEXT, zf_off(ZF_C)); |
707 dst = mov_irdisp8(dst, 0, CONTEXT, zf_off(ZF_N), SZ_B); | 707 dst = mov_irdisp8(dst, 0, CONTEXT, zf_off(ZF_N), SZ_B); |
708 //TODO: Implement half-carry flag | 708 //TODO: Implement half-carry flag |
709 if (z80_size(inst) == SZ_B) { | 709 if (z80_size(inst) == SZ_B) { |
710 dst = setcc_rdisp8(dst, CC_O, CONTEXT, zf_off(ZF_PV)); | 710 dst = setcc_rdisp8(dst, CC_P, CONTEXT, zf_off(ZF_PV)); |
711 dst = setcc_rdisp8(dst, CC_Z, CONTEXT, zf_off(ZF_Z)); | 711 dst = setcc_rdisp8(dst, CC_Z, CONTEXT, zf_off(ZF_Z)); |
712 dst = setcc_rdisp8(dst, CC_S, CONTEXT, zf_off(ZF_S)); | 712 dst = setcc_rdisp8(dst, CC_S, CONTEXT, zf_off(ZF_S)); |
713 } | 713 } |
714 dst = z80_save_reg(dst, inst, opts); | 714 dst = z80_save_reg(dst, inst, opts); |
715 dst = z80_save_ea(dst, inst, opts); | 715 dst = z80_save_ea(dst, inst, opts); |