22 lines
666 B
Text
22 lines
666 B
Text
; C64 - Terminal control: Inverse Video
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; *** labels ***
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strout = $ab1e
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; *** main ***
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*=$02a8 ; sys 680
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lda #<str ; Address of the message to print - low byte
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ldy #>str ; Address high byte
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jsr strout ; Print a null terminated string.
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rts
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; *** data ***
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str .byte $12 ; the REVERSE ON control code
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; see https://en.wikipedia.org/wiki/PETSCII
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.text "reversed"
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.byte $92 ; the REVERSE OFF control code
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.null " normal" ; null terminated string
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