>I have to write a gfx data burst to VRAM as quickly as possible while the
>display, and possibly sprites are enabled.
>I've noticed data corruption when using quick transfer loops (via POP) that
>disappears when display is disabled.
>Is there an accurate way to determine required VDP timings and ensure
>proper functionality on all MSX models regardless of different clocked
CPUs?
MSX2 Technical Handbook chapter 6.5.1: HMMC (CPU -> VRAM high-speed
transfer)
(with source code example) can be found @
http://www.geocities.com/SiliconValley/Bay/9797/th-4b.txt
(May I hear one hurray for the Ultimate MSX FAQ and a super-hurray for
Konami Man? ;-))
Eric
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