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723d3c4249
(well, not PC@ and PC!, but I'm not even sure what would be the role of these in a PC/AT. they're only used in drivers on the z80 front, so they will not be immediately needed. todo... ) Now comes the fitting part.
11 lines
402 B
Plaintext
11 lines
402 B
Plaintext
: OPm ( modrm op ) CREATE C, C, DOES> C@+ A, C@ OR A, ;
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0 0xff OPm INC[w], 0 0xfe OPm INC[b],
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0x8 0xff OPm DEC[w], 0x8 0xfe OPm DEC[b],
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0x30 0xff OPm PUSH[w], 0 0x8f OPm POP[w],
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: OPm+ ( modrm op ) CREATE C, C, DOES>
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( m off ) C@+ A, C@ ROT OR A, A, ;
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0x40 0xff OPm+ INC[w]+, 0x40 0xfe OPm+ INC[b]+,
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0x48 0xff OPm+ DEC[w]+, 0x48 0xfe OPm+ DEC[b]+,
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0x70 0xff OPm+ PUSH[w]+, 0x40 0x8f OPm+ POP[w]+,
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