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- ; -------------------------------------------------------------
- ; 32 bit logical NOT
- ; -------------------------------------------------------------
- ;
- __NOT32: ; A = ¬A
- lda z80_d ;- ld a,d
- sta z80_a
- ora z80_e ;- or e
- ora z80_h ;- or h
- ora z80_l ;- or l
- sec ;- sub 1 ;- Gives CARRY only if 0
- sbc #1
- sec ;- sbc a,a ;- Gives 0 if not carry, FF otherwise
- sbc z80_a
- rts ;- ret
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