collapseos/blk/219
Virgil Dupras d466c6d95d emul: make stage2 load z80a from blkfs
This allows us to remove forth/z80a.fs. Another big step towards
self-hosting!
2020-04-19 21:31:41 -04:00

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( also works for cc )
0xc0 OP1r RETcc,
( r -- )
: OP1r0
CREATE C,
DOES>
C@ ( r op )
OR A,
;
0x80 OP1r0 ADDr, 0x88 OP1r0 ADCr,
0xa0 OP1r0 ANDr, 0xb8 OP1r0 CPr,
0xb0 OP1r0 ORr, 0x90 OP1r0 SUBr,
0x98 OP1r0 SBCr, 0xa8 OP1r0 XORr,