From 17e74aa6d06fa94d3c146b7400e22929caa585f1 Mon Sep 17 00:00:00 2001 From: Peter Ferrie Date: Thu, 4 Aug 2016 10:39:50 -0700 Subject: [PATCH] correct vblank detection incomplete for IIc --- src/libsrc/dgr.pla | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/libsrc/dgr.pla b/src/libsrc/dgr.pla index bcec37e..a5abf30 100755 --- a/src/libsrc/dgr.pla +++ b/src/libsrc/dgr.pla @@ -503,10 +503,10 @@ end asm vlbWait DEX - LDA $C019 - BMI - + BPL - ; wait for current one to end - LDA $C019 - BPL - - RTS + BMI - ; wait for next one to start + RTS ; yes, the flag is saying !vblank end // // Set double lores graphics, return draw buffer