Latest activity
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Peter-Erik replied to the thread SE/30 -> Default state of NEC VRAM.Thanks i do that first, keep you posted, need to order those parts, delevery at least a week i guess thanks for your time David -
Jjoevt replied to the thread Battery bombed Centris 650’- corrupt video out.The first line begins at offset 0 of the frame buffer. The most significant bit (bit 7) of the fist byte is the top left pixel. 32 bits...
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wottle replied to the thread Battery bombed Centris 650’- corrupt video out.Looking at the image in Basilisk II, the black line repeats at pixel 2 (with the far left pixel starting at 0), then repeats every 32... -
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wottle replied to the thread Custom USB-C powered 8"display for the Apple IIc with STL files and build plan.Good point. I forgot you had brass inserts. I may need to do a bit of drilling and glueing. I'll let you know how I get it put...
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Iiigs123 replied to the thread Q610 VRAM issue.The screen shot I posted was captured on the Q610, then displayed on my macbook. I couldn't save as JPG or something else, so I took a...
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Jjoevt replied to the thread Q610 VRAM issue.You're not viewing that screenshot on the same computer that took the screen shot? Can you post a copy here (convert to png using...
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Jjoevt replied to the thread Battery bombed Centris 650’- corrupt video out.I think so. Looks like line 29 of one of the 32-bit buses. Maybe post the screenshot here so we can count the pixels. If the problem...
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David Cook replied to the thread SE/30 -> Default state of NEC VRAM.If it were my board, I would remove both of those. Then, clean the area well to spot any broken traces. Then replace them with new... -
Peter-Erik replied to the thread SE/30 -> Default state of NEC VRAM.So what do you think about the UE8 and UF8? Corrosion look severe if you compare it with rest of the board
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David Cook replied to the thread SE/30 -> Default state of NEC VRAM.Yes! Absolutely. What worries me about your photo is that I'm not seeing any on-screen images from ROM. No cursor, disk, or desktop...
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Iiigs123 replied to the thread Battery bombed Centris 650’- corrupt video out.It seems like it would be on the D[0]-D[31] side. There are other video memory related signals that come out of the djMEMC chip you...
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wottle replied to the thread Battery bombed Centris 650’- corrupt video out.Given that the corruption shows up in my screenshot, would the data lines be D[31:0], or are you talking about the PD[31:0]?
