mirror of
https://github.com/cc65/cc65.git
synced 2024-11-19 06:31:31 +00:00
25 lines
796 B
ArmAsm
25 lines
796 B
ArmAsm
;* void chlinexy (unsigned char x, unsigned char y, unsigned char length);
|
|
;* void chline (unsigned char length);
|
|
|
|
.export _chlinexy, _chline
|
|
.import popa, _gotoxy, cputdirect
|
|
.importzp tmp1
|
|
|
|
.include "creativision.inc"
|
|
|
|
_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
|
|
sta tmp1
|
|
L1: lda #CH_HLINE ; Horizontal line, screen code
|
|
jsr cputdirect ; Direct output
|
|
dec tmp1
|
|
bne L1
|
|
L9: rts
|