bslathi19/cc65
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Fix bug : gotoxy does not working because Y does not update the adress on the screen

Browse Source
This commit is contained in:
jede
2019-07-03 01:13:59 +02:00
committed by greg-king5
parent 5cbbb4597f
commit 14ac1a7ff6
1 changed files with 19 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
libsrc/telestrat/gotoxy.s
View File

@@ -18,9 +18,27 @@ gotoxy: jsr popa ; Get Y
; This function moves only the display cursor; it does not move the prompt position. ; This function moves only the display cursor; it does not move the prompt position.
; In telemon, there is a position for the prompt, and another for the cursor. ; In telemon, there is a position for the prompt, and another for the cursor.
sta SCRY sta SCRY
jsr popa jsr popa
sta SCRX sta SCRX
lda #<SCREEN
sta ADSCRL
lda #>SCREEN
sta ADSCRL+1
ldy SCRY
loop:
lda ADSCRL
clc
adc #$28
bcc skip
inc ADSCRH
skip:
sta ADSCRL
dey
bne loop
rts rts
.endproc .endproc