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diff level1/modules/clock.asm @ 2656:2ebf5e737ceb

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Updated to address Atari port problems
author Boisy Pitre <boisy.pitre@nuance.com>
date Wed, 11 Apr 2012 21:21:22 -0500
parents 442795681807
children 90d13dbd887a
line wrap: on
line diff
--- a/level1/modules/clock.asm	Tue Apr 10 22:25:19 2012 -0500
+++ b/level1/modules/clock.asm	Wed Apr 11 21:21:22 2012 -0500
@@ -150,7 +150,7 @@
           IFNE atari
 * Atari - Tell ANTIC to assert NMI on Vertical Blank
      	lda     #$40
-     	sta     $D40E		enable VBlank NMI
+     	sta     NMIEN		enable VBlank NMI
           rts
           ELSE
          ldx   #PIA0Base  point to PIA0
@@ -183,9 +183,8 @@
          clra            
          tfr   a,dp       set direct page to zero
          IFNE  atari
-          sta   $D40F     clear NMI interrupt
-         ELSE
-         tst   PIA0Base+3 get hw byte
+         sta   NMIRES     clear NMI interrupt
+         ELSE         tst   PIA0Base+3 get hw byte
          bmi   L0032      branch if sync flag on
          jmp   [>D.SvcIRQ] else service other possible IRQ
 L0032    tst   PIA0Base+2 clear interrupt