more cleanup

2015-11-29 20:04:10 +01:00
parent c636675521
commit b39a8b7a61
13 changed files with 669 additions and 607 deletions
--- a/libsrc/gamate/crt0.s
+++ b/libsrc/gamate/crt0.s
@@ -17,8 +17,12 @@ Start:
        sei
        cld

+        ldx     #0
+        stx     ZP_IRQ_CTRL     ; disable calling cartridge IRQ/NMI handler
+
        ; Setup stack and memory mapping
-        ldx     #$FF            ; Stack top ($01FF)
+        ;ldx     #$FF            ; Stack top ($01FF)
+        dex
        txs

        ; Clear the BSS data
@@ -36,6 +40,8 @@ Start:
        ; Call module constructors
        jsr     initlib

+        lda     #1
+        sta     ZP_IRQ_CTRL     ; enable calling cartridge IRQ/NMI handler
        cli     ; allow IRQ only after constructors have run

        ; Pass an empty command line