Interlace mode test by by Jan Devyx Kratina
Interlace mode test by by Jan Devyx Kratina
VELESOFT, статические картинки это хорошо. Но нужна динамика. Нужно писать кодерам , соблазнять кого-то из них на написание демы / игры.
И нужен список телевизоров / мониторов , которые поддерживают этот режим.
Куплю корпус и материнку от Spectrum +2/+3
I have no time for all. Here we can see not perfect graphic conversions, but only some details on screen are nice, ideal for inspirations. Interlaced graphic may be used also in games, but with some limits. Without problems we can modify loading screens, main menu, menu in games, static objects in games. Also is possible increase graphic details thanks to hi-res vertical resolution 384 lines instead 192. Second videoram may be used as transparent layer 2. Hi-res graphic, interlaced color images and low-res (orig) graphic may be used on one screen. Animation can be also used, but not each LCD TV accept fast animations in interlaced mode - yes, all work, but during animation may some TV's show gigascreen effect instead interlace hi-res... All will be tested.... Need time.
First test of loading interlaced LCD graphic from custom tape loader
Download loader with picture in TAP file:
https://velesoft.speccy.cz/other/lcdload.zip
Please test it on real ZX with tape input and LCD TV. This TAP file is unusable with DIVIDE/DIVMMC interface, need load from real tape input.
I don't know if my attempt will be useful for you, but here it is:
Дельта-С 128
twix, ух ты, едрён батон! Аж на дельте-с работает! И красиво!
Куплю корпус и материнку от Spectrum +2/+3
CGA graphic converted to ZX interlace: (up to 4 colors and without attribute limits 8x8 = each pixel may use different color)
Other color graphic in ZX interlace:
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Interlace colors is easy also on ZX48
Cybernoid 1 on ZX48 with software interlace support. Fullscreen color interlace. Blue border = used CPU time for interlace, black border = free time for game.
As you can see, graphic is original and low resolution without changes. Color interlace may be used only for recolor games. For this effect need CPU some time (not so critical) and 1.5kB of free ram memory. I have small idea. For some 48kB games without freen memory may be used on DIVMMC interface one 8kB ram page for this expansion...
Download snapshot with small demo (unusable for long play)
https://velesoft.speccy.cz/other/cyber1-48interlace.zip
video:
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Full screen interlace in Cybernoid on ZX128 (two videorams)
https://velesoft.speccy.cz/other/cyblace1.zip
Все это чес, глюки и фичи видеопроцессора монитора-телевизора, кому то повезет а кому то нет.
Все "фичи видеопроцессора" в чересстрочной развертке. Без неё будет обычный гигаскрин с мерцанием, с ней - гигаскрин без мерцания.
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