Apple2: implement sleep using MONWAIT

Also publish detect_iigs(), set_iigs_speed() and get_iigs_speed(). Refactor to only store one ostype variable.
2024-01-14 18:27:41 +01:00
parent 92ee03f9e9
commit 166a4b25f7
11 changed files with 277 additions and 17 deletions
--- a/libsrc/apple2/waitvsync.s
+++ b/libsrc/apple2/waitvsync.s
@@ -5,21 +5,11 @@
 ;
        .ifdef  __APPLE2ENH__

-        .constructor    initvsync
        .export         _waitvsync
-        .import         _get_ostype
+        .import         ostype

        .include        "apple2.inc"

-        .segment        "ONCE"
-
-initvsync:
-        jsr     _get_ostype
-        sta     ostype
-        rts
-
-        .code
-
 _waitvsync:
        bit     ostype
        bmi     iigs            ; $8x
@@ -53,8 +43,4 @@ iic:    sei
        cli
        rts

-        .segment        "INIT"
-
-ostype: .res    1
-
        .endif                  ; __APPLE2ENH__