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https://github.com/irmen/prog8.git
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77 lines
1.7 KiB
Lua
77 lines
1.7 KiB
Lua
%import textio
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%import floats
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%import syslib
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%zeropage basicsafe
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; Note: this program is compatible with C64 and CX16.
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main {
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sub start() {
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const uword ADDR = $0400
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byte zerob=0
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; word zerow=0
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; float zerof=0
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byte bb
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; word ww
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; float fl
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testX()
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bb = -100
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bb = zerob+abs(bb) ; TODO optimizer generates wrong code for this (wrong order of splitted expression?)
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txt.print_b(bb)
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txt.chrout('\n')
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; ww = -12345
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; ww = zerow+abs(ww) ; TODO optimizer generates wrong code for this (wrong order of splitted expression?)
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; txt.print_w(ww)
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; txt.chrout('\n')
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;
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; fl = -9.876
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; fl = zerof+abs(fl) ; TODO optimizer generates wrong code for this (wrong order of splitted expression?)
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; floats.print_f(fl)
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; txt.chrout('\n')
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; memset(ADDR, 40*25, 100)
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; memsetw(ADDR, 20*10, $3031)
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; memcopy(ADDR, ADDR+40*12, 20*10*2)
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testX()
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bb++
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}
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asmsub testX() {
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%asm {{
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stx _saveX
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lda #13
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jsr txt.chrout
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lda #'x'
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jsr txt.chrout
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lda #'='
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jsr txt.chrout
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lda _saveX
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jsr txt.print_ub
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lda #' '
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jsr txt.chrout
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lda #'s'
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jsr txt.chrout
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lda #'p'
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jsr txt.chrout
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lda #'='
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jsr txt.chrout
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tsx
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txa
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jsr txt.print_ub
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lda #13
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jsr txt.chrout
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ldx _saveX
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rts
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_saveX .byte 0
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}}
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}
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}
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