File: waitvsync.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 (22 lines) | stat: -rw-r--r-- 364 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
;
; Written by Groepaz <groepaz@gmx.net>
;
; void waitvsync (void);
;

        .include        "gamate.inc"
        .include        "extzp.inc"

        .forceimport    ticktock
        .export         _waitvsync

; FIXME: is this actually correct?

.proc   _waitvsync

        lda     tickcount
@lp:    cmp     tickcount
        beq     @lp
        rts

.endproc