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Add routine to read from IO space from C.

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This commit is contained in:
giomba 2023-10-16 22:12:08 +02:00
parent 86c3cb709e
commit 828bb38a9a
1 changed files with 16 additions and 0 deletions
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16
src/io_a.asm
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@ -16,3 +16,19 @@ _io_out:
pop ix pop ix
ret ret
PUBLIC _io_in
_io_in:
push ix
ld ix,$0000
add ix,sp
push bc
ld c,(ix+$04)
in l,(c)
pop bc
pop ix
ret