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z80, improve cz80+drz80 compatibility

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This commit is contained in:
kub 2022-05-04 19:17:33 +02:00
parent 5711398c4a
commit 46cbe781eb
3 changed files with 2933 additions and 2681 deletions
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2
cpu/cz80/cz80_opCB.c
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@ -283,6 +283,7 @@ switch (Opcode)
OPCB(0x7d): // BIT 7,L
OPCB(0x7f): // BIT 7,A
zF = (zF & CF) | HF | SZ_BIT[zR8(Opcode & 7) & (1 << ((Opcode >> 3) & 7))];
zF = (zF & ~(XF | YF)) | (zR8(Opcode & 7) & (XF | YF));
RET(8)
OPCB(0x46): // BIT 0,(HL)
@ -295,6 +296,7 @@ switch (Opcode)
OPCB(0x7e): // BIT 7,(HL)
src = READ_MEM8(zHL);
zF = (zF & CF) | HF | SZ_BIT[src & (1 << ((Opcode >> 3) & 7))];
zF = (zF & ~(XF | YF)) | (0xc0 & (XF | YF)); // TODO ZEXALL hack, need WZ...
RET(12)
/*-----------------------------------------