mirror of
https://github.com/cc65/cc65.git
synced 2024-12-27 15:29:46 +00:00
46 lines
887 B
ArmAsm
46 lines
887 B
ArmAsm
;
|
|
; Maciej 'YTM/Elysium' Witkowiak
|
|
;
|
|
; 06.03.2002
|
|
|
|
; void chlinexy (unsigned char x, unsigned char y, unsigned char length);
|
|
; void chline (unsigned char length);
|
|
|
|
.include "../inc/jumptab.inc"
|
|
.include "../inc/geossym.inc"
|
|
|
|
.export _chlinexy, _chline
|
|
.import popa, _gotoxy, fixcursor
|
|
.importzp cursor_x, cursor_y, cursor_c
|
|
|
|
_chlinexy:
|
|
pha ; Save the length
|
|
jsr popa ; Get y
|
|
jsr _gotoxy ; Call this one, will pop params
|
|
pla ; Restore the length
|
|
|
|
_chline:
|
|
cmp #0 ; Is the length zero?
|
|
beq L9 ; Jump if done
|
|
tax
|
|
lda cursor_x ; left start
|
|
sta r3L
|
|
lda cursor_x+1
|
|
sta r3L+1
|
|
lda cursor_y ; level
|
|
sec
|
|
sbc #4 ; in the middle of a cell
|
|
sta r11L
|
|
txa ; right end
|
|
clc
|
|
adc cursor_c
|
|
sta cursor_c
|
|
sta r4L
|
|
ldx #r4
|
|
ldy #3
|
|
jsr DShiftLeft
|
|
lda #%11111111 ; pattern
|
|
jsr HorizontalLine
|
|
jsr fixcursor
|
|
L9: rts
|