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.subttl 'wd1770.src'
.page
wdtest .macro
.ife <*!.$03 ; lower two bits cannot be zero
nop ; fill address error
.endif
.endm
nodrrd .macro ; read nodrv,x absolute
.byte $bd,$ff,$00
.endm
nodrwr .macro ; write nodrv,x absolute
.byte $9d,$ff,$00
.endm
| This page has been created by Sami Rautiainen. | |
| Read the small print. | Last updated September 05, 2020. |