collapseos/blk/566
Virgil Dupras 440ea43a88 z80a: make mnemonic names more uniform across assemblers
Initially, I used the same letters as those used in the z80 ref
docs, but it makes the different assemblers harder to use than they
should. Having consistent "argtype" rules across assemblers should
help.
2020-06-27 22:01:56 -04:00

15 lines
273 B
Plaintext

( Requires KBD_MEM, KBD_PORT )
( gm -- pm, get pressed keys mask for group mask gm )
CODE _get
HL POP,
chkPS,
DI,
A 0xff LDri,
KBD_PORT OUTiA,
A L LDrr,
KBD_PORT OUTiA,
KBD_PORT INAi,
EI,
L A LDrr, HL PUSH,
;CODE