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ET3000AX: the chip in question should not support 1MB of video memory. ET4000AX: the early TC6058AF revision can support 1MB of video memory (e.g.: Diamond Speedstar BIOS D3.10, undumped anyway), and actually don't update the rowoffset to 256 when using such chip in 320x200x256 mode. Fixes the copper demo in said chip revision.
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@TC1995 Hi, now that 4.2 is out I just tested this. The copper demo is still broken. Is there a particular setup that does work? |
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Just use the et4000ax TC6058AF variant. |
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That's the one that is currently selected. It doesn't display like the real hardware as shown in the video capture at https://www.youtube.com/watch?v=hSv4gbxZJr8 Only the first few segments are fine, but not the rest. |
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@TC1995 Hi, don't know if github sends notifications automatically, so I am tagging you here to let you know about the video link in my previous comment. Maybe issue 4316 should be re-opened? |
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Summary
ET3000AX: the chip in question should not support 1MB of video memory.
ET4000AX: the early TC6058AF revision can support 1MB of video memory (e.g.: Diamond Speedstar BIOS D3.10, undumped anyway), and actually don't update the rowoffset to 256 when using such chip in 320x200x256 mode. Fixes the copper demo in said chip revision.
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