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Viewing Issue Advanced Details
ID | Category [?] | Severity [?] | Reproducibility | Date Submitted | Last Update |
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04902 | Flip Screen/Cocktail | Minor | Always | Jun 10, 2012, 23:17 | 14 days ago |
Tester | Tafoid | View Status | Public | Platform | |
Assigned To | hap | Resolution | Fixed | OS | |
Status [?] | Resolved | Driver | |||
Version | 0.146 | Fixed in Version | 0.273GIT | Build | |
Fixed in Git Commit | db50370 | Github Pull Request # | |||
Summary | 04902: bladestl and clones: Flip Screen has no sprite flip | ||||
Description | Flip Screen has no sprite flip | ||||
Steps To Reproduce | |||||
Additional Information | |||||
Github Commit | |||||
Flags | |||||
Regression Version | 0.135u4 | ||||
Affected Sets / Systems | bladestl and clones | ||||
Attached Files
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0000.png (10,432 bytes) Jun 10, 2012, 23:17 Uploaded by Tafoid Sprites misplaced and not flipped correctly
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Relationships
Notes
2
No.11232
Osso Moderator
Nov 7, 2014, 08:56
edited on: Nov 7, 2014, 08:57 |
Before the code was originally device-ified and moved to the now defunct video/konicdev.c, the k007342 and the k007420 shared the same flipscreen related variable. Now that the two video chips are proper devices, only the k007342 reads the flipscreen bit correctly, the k007420 has no way to know it (m_flipscreen is always 0). This affects rockrage.c too. |
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No.11233
AWJ Developer
Nov 7, 2014, 18:03
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Based on the bladestl schematics, the way we've split the k007420 and k007342 functionality into two devices is wrong (and I'm in the process of rewriting them to fix this) They aren't a "sprite chip" and a "tilemap chip", they're more like the later Konami paired chipsets with 007420 being the "RAM controller" part (approximately equivalent to 0052109 or 051960) and 007342 being the "ROM controller" part (equivalent to 051962 or 051937) The VRAM address lines and /OE are connected to 007420, while the VRAM data lines, both sets of gfx ROMs (tiles and sprites) and the color PROMs are all connected to 007342. Both chips share the same address range (the same chip select signal goes to both), including the palette (007342 outputs the chip select for the palette RAM) |