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cc65/libsrc/creativision/setcursor.s
2013-12-05 11:40:44 +00:00

37 lines
777 B
ArmAsm

;
; Written by Groepaz/Hitmen <groepaz@gmx.net>
; Cleanup by Ullrich von Bassewitz <uz@cc65.org>
;
; Set the cursor position
.export setcursor
.include "creativision.inc"
;-----------------------------------------------------------------------------
.proc setcursor
tya
clc
adc addrlo,x
sta SCREEN_PTR
lda addrhi,x
adc #0
sta SCREEN_PTR+1
rts
.endproc
;-----------------------------------------------------------------------------
; Tables with screen addresses
addrlo: .repeat SCREEN_ROWS,line
.byte <($1000+(line*SCREEN_COLS))
.endrepeat
addrhi: .repeat SCREEN_ROWS,line
.byte >($1000+(line*SCREEN_COLS))
.endrepeat