more cleanup

2015-11-29 20:04:10 +01:00
parent c636675521
commit b39a8b7a61
13 changed files with 669 additions and 607 deletions
--- a/cfg/gamate.cfg
+++ b/cfg/gamate.cfg
@@ -8,7 +8,8 @@ SYMBOLS {
 MEMORY {
        # 0000-03ff is RAM
        # FIXME: what zp range can we actually use?
-        ZP: start = $0020, size = $e0;
+        # $0a-$11 is used by IRQ/NMI, $e8 is used by NMI
+        ZP: start = $0012, size = $e8 - $12;
        CPUSTACK: start = $0100, size =$100;
        RAM: start = $0200, size = $200 - __STACKSIZE__, define = yes;