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ID Category [?] Severity [?] Reproducibility Date Submitted Last Update
05624 Graphics Major Always Jul 6, 2014, 14:10 Jul 7, 2014, 11:29
Tester Dr.Venom View Status Public Platform MESS (Official Binary)
Assigned To Resolution Open OS Windows Vista/7/8 (64-bit)
Status [?] Acknowledged Driver
Version 0.153 Fixed in Version Build
Fixed in Git Commit Github Pull Request #
Summary MESS-specific 05624: MSX2 and MSX2+: High-res non-interlaced screens are always linedoubled
Description All screens that are using high-res non-interlaced are linedoubled. The machine's startup state is e.g. double the vertical resolution of a real machine.
Steps To Reproduce Boot MSX2 driver, watch machine startup logo scroll up, then goto tab System Information, it will show a resolution of 480 lines, whereas vertical resolution of a real machine at bootup is 288 lines (pal) or 243 lines (ntsc).

Alternatively look in the code msx.c and v9938.c and compare to parameters in Yamaha v9938 technical data book (See page 146 and 147 of the book).
Additional Information This affects all MSX software that runs in horizontal high-res (544 wide), all these screens are linedoubled, regardless of what the true vertical resolution is.
Github Commit
Flags Verified with Original, Verified with Code
Regression Version
Affected Sets / Systems MSX2 and MSX2+
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