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correct vblank detection

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incomplete for IIc
This commit is contained in:
Peter Ferrie 2016-08-04 10:39:50 -07:00
parent d8c08bcecf
commit 17e74aa6d0
1 changed files with 3 additions and 3 deletions
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src/libsrc/dgr.pla
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@ -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