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Possible hardware bug with Mode 7 #22

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Cthutu opened this issue Jun 16, 2022 · 4 comments
Open

Possible hardware bug with Mode 7 #22

Cthutu opened this issue Jun 16, 2022 · 4 comments

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@Cthutu
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Cthutu commented Jun 16, 2022

On original hardware, this program displays the text in red.
10 MODE 7
20 PRINT CHR$(129)"RED"

However, in your core running on my Next, it displays in blue.

@hoglet67
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Please can you confirm which version of the core you are running.

If possible, could you also try the previous version.

Dave

@hoglet67
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I've spotted the problem.

I'll try to release an updated beta6 over the weekend.

@Cthutu
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Cthutu commented Jun 16, 2022

Great. Well done!

@hoglet67
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hoglet67 commented Jun 18, 2022

This colour issue should be fixed in the Beta 7 release:
https://github.com/hoglet67/BeebFpga/releases/tag/specnext_beta7

The only other change here is there are now seperate builds for MMFSv1 and MMFSv2.

  • MMFSv1 is the original version of MMFS that uses a BEEB.MMB container file.
  • MMFSv2 is a newer version that uses the FAT32 filesystem directly.

In both cases, the filesystem must be within the first 4GB of the SD Card. So if you are using a larger card, it must be repartitioned/reformatted. This is not a new issue, but it's recently been causing problems with more people trying to use very large SD Cards.

Please let me know if this build resolves your issue.

Dave

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