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Fixed the MDA flickering.

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This commit is contained in:
OBattler
2019-12-06 02:58:23 +01:00
parent e36262503d
commit 66af1dde7e
1 changed files with 5 additions and 4 deletions
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9
src/video/vid_mda.c
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@@ -8,13 +8,13 @@
* *
* MDA emulation. * MDA emulation.
* *
* Version: @(#)vid_mda.c 1.0.13 2019/09/03 * Version: @(#)vid_mda.c 1.0.14 2019/11/24
* *
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/> * Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com> * Miran Grca, <mgrca8@gmail.com>
* *
* Copyright 2008-2018 Sarah Walker. * Copyright 2008-2019 Sarah Walker.
* Copyright 2016-2018 Miran Grca. * Copyright 2016-2019 Miran Grca.
*/ */
#include <stdio.h> #include <stdio.h>
#include <stdint.h> #include <stdint.h>
@@ -114,7 +114,7 @@ void mda_poll(void *p)
int blink; int blink;
if (!mda->linepos) if (!mda->linepos)
{ {
timer_advance_u64(&mda->timer, mda->dispofftime); timer_advance_u64(&mda->timer, mda->dispofftime);
mda->stat |= 1; mda->stat |= 1;
mda->linepos = 1; mda->linepos = 1;
oldsc = mda->sc; oldsc = mda->sc;
@@ -125,6 +125,7 @@ void mda_poll(void *p)
if (mda->displine < mda->firstline) if (mda->displine < mda->firstline)
{ {
mda->firstline = mda->displine; mda->firstline = mda->displine;
video_wait_for_buffer();
} }
mda->lastline = mda->displine; mda->lastline = mda->displine;
for (x = 0; x < mda->crtc[1]; x++) for (x = 0; x < mda->crtc[1]; x++)