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V9990 - Discrepency between emulation and PowerGraph Lite
Score: 118.8 %,
Type: Forum topic , Comments: 16 comments
bits at once, which equals four pixels in 4bpp modes. Unlike the V9938 which operates per-pixel ... have to say the V9938 often gets criticised here for its slow command engine implementation, after ... user as well.
I have to say the V9938 often gets criticised here for its slow command engine ...
V9990 FPGA recreation.
Score: 132.97 %,
Type: Forum topic , Comments: 18 comments
dreaming here but what if we could actually make V9978 in FPGA and make it pin compatible with V9938/V9958. Have it as a drop in replacement of existing VDP (maybe with a jumper to select V9938/58 pinout). The ...
V9990 is not part of MSX
Score: 131.35 %,
Type: Forum topic , Comments: 132 comments
than their V9938 or V9958, and not very similar to Ricoh's S-PPU. Yamaha's Mark III VDP is also a very different continuation of the TMS99xx from their V9938 with a more focus on sprites, tiled ... I/O).
If you want to superimpose the V9990 behind the V9938, just use a Philips NMS8280, Sanyo ...
V9990 Powergraph Light - Does v9990 unlock msx2+ games as well
Score: 138.69 %,
Type: Forum topic , Comments: 2 comments
Hi there I have a MSX2-computer. I've heard you could upgrade to MSX2+ by removing the V9938 and inserting a V9958, allowing the computer to run games compatible with the MSX2+ (like Laydock 2).
What I would like to know is if addding the v9990 cartridge also gives this compatibility? Or ...
V9990 registers at command termination
Score: 157.08 %,
Type: Forum topic , Comments: 11 comments
Hi everyone,
Do we know if the behaviour on V9990 commands is similar as on the V9938 at command termination ?
Was it studied ?
Like this table for V9938:
Table 4.7 Register status ... execution.
With V9938 it was possible to chain commands using the fact that some input parameters were ...
V9990 setpage
Score: 152.7 %,
Type: Forum topic , Comments: 5 comments
The "problem" is: The player blinks a little (sometimes). On V9938 we use "set ...
V9990 split...
Score: 117.04 %,
Type: Forum topic , Comments: 7 comments
V9938 kinda just everything works.
Disabling display is nice for hiding a line if the split needs ...
V9990 sprite collision detection
Score: 446.89 %,
Type: Forum topic , Comments: 7 comments
you can still use the v9938 / 58 sprites for pixel pr On msx you can still use the v9938 / 58 ...
V9990 tech demo: Twinbee on steroids
Score: 144.13 %,
Type: News post , Comments: 15 comments
sprites beauty even v9938 can do.
may be smooth scroll was doable even on msx1 tms...
v9990 can do FAR ... in public.
Getting back on topic: So probably it can indeed be done on V9938 as well, but developing ... are possible in V9938. Anyway, it's just a proof of concept and to me it looks really promising. Go ...
v99c37 ??
Score: 142.81 %,
Type: Forum topic , Comments: 3 comments
hi,
anyone knows the vcp ( video display co processor ) v99c37 ,was it included in v9938 ... be written through v9938 bus ...
i suspect v9958 as it included with the yjk/yae modes ...
where ... of page of :
http://ja.wikipedia.org/wiki/V9938
and end of page of : ...
