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cc65/libsrc/geos/conio/cvline.s
izydorst 93fd8803c1 conio with fixed width and proortional font support
git-svn-id: svn://svn.cc65.org/cc65/trunk@1180 b7a2c559-68d2-44c3-8de9-860c34a00d81
2002-03-08 16:49:31 +00:00

47 lines
876 B
ArmAsm

;
; Maciej 'YTM/Elysium' Witkowiak
;
; 06.03.2002
; void cvlinexy (unsigned char x, unsigned char y, unsigned char length);
; void cvline (unsigned char length);
.include "../inc/jumptab.inc"
.include "../inc/geossym.inc"
.include "../inc/cursor.inc"
.export _cvlinexy, _cvline
.import popa, _gotoxy, fixcursor
_cvlinexy:
pha ; Save the length
jsr popa ; Get y
jsr _gotoxy ; Call this one, will pop params
pla ; Restore the length
_cvline:
cmp #0 ; Is the length zero?
beq L9 ; Jump if done
tax
lda cursor_x ; x position
clc
adc #4 ; in the middle of cell
sta r4L
lda cursor_x+1
adc #0
sta r4L+1
lda cursor_y ; top start
sta r3L
txa ; bottom end
clc
adc cursor_r
sta cursor_r
sta r3H
asl r3H
asl r3H
asl r3H
lda #%11111111 ; pattern
jsr VerticalLine
jsr fixcursor
L9: rts