first changes for atari5200 target

2014-03-01 17:20:09 +01:00
parent 9c95306a69
commit c8f7f2f161
19 changed files with 608 additions and 218 deletions
--- a/libsrc/atari5200/randomize.s
+++ b/libsrc/atari5200/randomize.s
@@ -0,0 +1,17 @@
+;
+; Christian Groessler, 01-Mar-2014
+;
+; void _randomize (void);
+; /* Initialize the random number generator */
+;
+
+        .export         __randomize
+        .import         _srand
+
+        .include        "atari5200.inc"
+
+__randomize:              
+        ldx     VCOUNT          ; Use vertical line counter as high byte
+        lda     RTCLOK+1        ; Use clock as low byte
+        jmp     _srand          ; Initialize generator
+