AppleIIAsm-Collection/source/disk7_convert/T.MIN.SUB.HEX2HEXASC
nathanriggs c8cac53c5e Rev 0.4 updates
Massive updates that changes the way most subroutines are handled. Major bugfixes, various utilities added, started higher-level libraries.
2019-04-26 18:49:10 -04:00

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HEX2HEXASC
PLA
STA RETADR
PLA
STA RETADR+1
PLA :HBYTE
STA :HBYTE
LDA :HBYTE
AND #$F0
LSR
LSR
LSR
LSR
STA :LEFT
LDA :HBYTE
AND #$0F
STA :RIGHT
LDX :LEFT
LDA :HEXTAB,X
STA :LEFT
LDX :RIGHT
LDA :HEXTAB,X
STA :RIGHT
LDA :LEFT
STA RETURN
LDA :RIGHT
STA RETURN+1
LDA #2
STA RETLEN
LDA RETADR+1
PHA
LDA RETADR
PHA
RTS
:LEFT DS 1
:RIGHT DS 1
:HBYTE DS 1
:HEXTAB ASC "0123456789ABCDEF"