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/detect_iigs.s
+++ b/libsrc/apple2/detect_iigs.s
@@ -0,0 +1,17 @@
+;
+; Colin Leroy-Mira <colin@colino.net>, 2024
+;
+; void __fastcall__ detect_iigs(void)
+;
+
+        .export         _detect_iigs
+        .import         ostype, return0, return1
+
+        .include        "apple2.inc"
+
+        ; Returns 1 if running on IIgs, 0 otherwise
+_detect_iigs:
+        lda     ostype
+        bpl     :+
+        jmp     return1
+:       jmp     return0