Hercules garbled

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te_lanus
Posts: 135
Joined: Tue 28 Jul, 2015 4:47 am

Hercules garbled

Post by te_lanus »

Ran into this this morning. Compiles rev:310 this morning, and tried setting up a IBM PC with a Hercules card and got this:
Clipboard02.jpg
Clipboard02.jpg (207.62 KiB) Viewed 8167 times
System:
Machine: IBM PC
Video: Hercules
CPU: 8088/8
Mem: 1
Sound: None
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ppgrainbow
Posts: 479
Joined: Thu 04 Sep, 2014 7:03 am
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Re: Hercules garbled

Post by ppgrainbow »

te_lanus wrote:Ran into this this morning. Compiles rev:310 this morning, and tried setting up a IBM PC with a Hercules card and got this:
Clipboard02.jpg
System:
Machine: IBM PC
Video: Hercules
CPU: 8088/8
Mem: 1
Sound: None
Oh dear! That doesn't sound good. Earlier today, the 4-colour (2-bit) 320 x 200 CGA mode was fixed and now this. :( I hope that it gets fixed.

The garbled Hercules display was not an issue in earlier revisions. I'm wondering if the MDA adapter is also affected by this display corruption as well.

I updated to r310 and I obviously can't reproduce it on my PC. Like Tom said, your mda.rom file probably got corrupt.
Last edited by ppgrainbow on Thu 20 Aug, 2015 5:50 pm, edited 1 time in total.
AnnaWu
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Re: Hercules garbled

Post by AnnaWu »

@te_lanus
Rev. 310
I can not confirm this kind of problem
Without to mount any floppy-/hard disk image I get the IBM Basic on normal screen.
Do you tested my last unofficial builds (RR)?
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te_lanus
Posts: 135
Joined: Tue 28 Jul, 2015 4:47 am

Re: Hercules garbled

Post by te_lanus »

AnnaWu wrote:@te_lanus
Rev. 310
I can not confirm this kind of problem
Without to mount any floppy-/hard disk image I get the IBM Basic on normal screen.
Do you tested my last unofficial builds (RR)?
Hi Anna

Tested your build here and still get it :(
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SarahWalker
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Re: Hercules garbled

Post by SarahWalker »

I can't reproduce this either. It looks maybe like MDA.ROM has got corrupted?
amadama
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Joined: Mon 25 Aug, 2014 9:47 pm

Re: Hercules garbled

Post by amadama »

I noticed the same issue today after compiling r312.
The issue is that MDA.ROM needs to be in the same root folder as pcem.exe. when I copied it over from the roms folder it worked.
Is this normal behavior?

This issue also impacted Olivetti M24 and possibly other machine types.
(just noticed it was the same way for quite a while now)
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ppgrainbow
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Re: Hercules garbled

Post by ppgrainbow »

amadama wrote:I noticed the same issue today after compiling r312.
The issue is that MDA.ROM needs to be in the same root folder as pcem.exe. when I copied it over from the roms folder it worked.
Is this normal behavior?

This issue also impacted Olivetti M24 and possibly other machine types.
(just noticed it was the same way for quite a while now)
I can't reproduce this issue as I'm on r310 right now.
amadama
Posts: 57
Joined: Mon 25 Aug, 2014 9:47 pm

Re: Hercules garbled

Post by amadama »

The same things happens on 310 and older.
Try removing MDA.ROM from the root folder of where pcem executable is.
Then start up either an Olivetti M24 or any machine with MDA or Hercules graphics.

EDIT:
Issue is in file mem.c line 102:

loadfont("mda.rom", 0);

maybe should be:

loadfont("roms/mda.rom", 0);
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te_lanus
Posts: 135
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Re: Hercules garbled

Post by te_lanus »

amadama wrote:The same things happens on 310 and older.
Try removing MDA.ROM from the root folder of where pcem executable is.
Then start up either an Olivetti M24 or any machine with MDA or Hercules graphics.

EDIT:
Issue is in file mem.c line 102:

loadfont("mda.rom", 0);

maybe should be:

loadfont("roms/mda.rom", 0);
Worked out this was my problem :oops:
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