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32 lines
639 B
Lua
32 lines
639 B
Lua
%import textio
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%zeropage basicsafe
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%option no_sysinit
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main {
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ubyte bank
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romsub @bank bank $a000 = routine_in_hiram(uword arg @AY) -> uword @AY
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sub start() {
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; copy the routine into hiram bank 8
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bank = 8
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cx16.rambank(bank)
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sys.memcopy(&the_increment_routine, $a000, 255)
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cx16.rambank(1)
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txt.print("incremented by one=")
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txt.print_uw(routine_in_hiram(37119))
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txt.nl()
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}
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asmsub the_increment_routine(uword arg @AY) -> uword @AY {
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%asm {{
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clc
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adc #1
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bcc +
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iny
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+ rts
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}}
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}
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}
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