Author
| fast screen updating
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Leo
msx professional
Posts: 859 |  Posted: June 28 2009, 22:10 |
i was meaning hzontal line in screen 5 , but ok this post is for msx1
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PingPong
msx master
Posts: 1286 | Posted: June 28 2009, 22:19 |
Quote:
| i was meaning hzontal line in screen 5 , but ok this post is for msx1
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in screen5 the msx2 vdp does not require delays on active area when doing unrolled outi, i do not know if out(0x98),a or out (c),a is too fast. Sure outside active area nothing is to fast at 3.5mhz |
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mohai
msx freak
Posts: 224 | Posted: July 02 2009, 13:00 |
Anyway, trying to fill the entire screen is a slow process that cannot be done in only one INT.
ZX conversions do a lot of tricks to "simulate" original ZX screen behaviour: Only refresh a portion of the screen, do not refresh colours in every frame...
I remember one game "Capitan trueno" (ZX conversion) with a very fast scroll
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