File: scrsize.s

package info (click to toggle)
cc65 2.19-2
  • links: PTS
  • area: main
  • in suites: forky, sid, trixie
  • size: 20,268 kB
  • sloc: ansic: 117,151; asm: 66,339; pascal: 4,248; makefile: 1,009; perl: 607
file content (36 lines) | stat: -rw-r--r-- 767 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
;
; Ullrich von Bassewitz, 08.08.1998
;
; void screensize (unsigned char* x, unsigned char* y);
;

        .export         _screensize

        .import         popptr1
        .import         screensize
        .importzp       ptr1, ptr2

        .macpack        cpu        

.proc   _screensize

        sta     ptr2            ; Store the y pointer
        stx     ptr2+1
        jsr     popptr1         ; Get the x pointer into ptr1
        jsr     screensize      ; Get screensize into X/Y
        tya                     ; Get Y size into A

.if (.cpu .bitand ::CPU_ISET_65SC02)
        sta     (ptr2)
        txa
        sta     (ptr1)
.else
        ldy     #0
        sta     (ptr2),y
        txa
        sta     (ptr1),y
.endif        
        rts

.endproc