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cc65/libsrc/nes/setcursor.s

38 lines
787 B
ArmAsm

;
; Written by Groepaz/Hitmen <groepaz@gmx.net>
; Cleanup by Ullrich von Bassewitz <uz@cc65.org>
;
; Set the cursor position
.export setcursor
.include "nes.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 screenrows,line
.byte <($2000+((1*32))+(line*charsperline))
.endrepeat
addrhi: .repeat screenrows,line
.byte >($2000+((1*32))+(line*charsperline))
.endrepeat