1
0
mirror of https://github.com/cc65/cc65.git synced 2024-07-10 23:29:05 +00:00
cc65/libsrc/geos/conio/cursor.s
izydorst 8ce6c9bcac simple conio support for GEOS
git-svn-id: svn://svn.cc65.org/cc65/trunk@1093 b7a2c559-68d2-44c3-8de9-860c34a00d81
2001-10-27 17:13:22 +00:00

36 lines
567 B
ArmAsm

;
; Maciej 'YTM/Elysium' Witkowiak
;
; 27.10.2001
; unsigned char cursor (unsigned char onoff);
.export _cursor
.include "../inc/jumptab.inc"
.include "../inc/geossym.inc"
.include "cursor.inc"
_cursor:
tay ; onoff into Y
ldx #0 ; High byte of result
ldx cursor_flag ; Get old value
sty cursor_flag ; Set new value
tya
beq L1
lda curHeight ; prepare cursor
jsr InitTextPrompt
lda cursor_x ; position it on screen
sta r4L
lda cursor_x+1
sta r4H
lda cursor_y
sec
sbc curHeight
sta r5L
lda #1
sta r3L
jsr PosSprite
L1: rts