Search results
vdp corruption
Score: 123.78 %,
Type: Forum topic , Comments: 43 comments
that the problem could be a TOO fast access to the VRAM...
I never had this problem with the V9938 / V9958, only with TMS.
I’ve had issues with I’ve had issues with accessing V9938 too fast on two ... on V9938
TEXT2 and TEXT1 are both slower on V9938 than TEXT on TMS9918. Quoting:
Quote: ...
VDP commands in SC4
Score: 482.35 %,
Type: Forum topic , Comments: 6 comments
Hi,
Are the VDP commands totally disabled in SC4 ?
Or is it just some of them ?
On the V9938 VDP commands do On the V9938 VDP commands do not work in modes below screen 5. Actually, I seem to recall reading they do work during blanking, but don’t quote me on that. On the V9958 ...
Vdp Commands Copying RAM to VRAM
Score: 84.27 %,
Type: Forum topic , Comments: 18 comments
speed-measurement article, but theres no info about RAM-VRAM copies.)
(and I read the V9938 application manual) ... copying(this is not described in the V9938 app. manual)?
and is this THE COMMON way to copy ...
VDP commands and screen 4
Score: 81.24 %,
Type: Forum topic , Comments: 21 comments
V9938. The point of Artrag's routine is that it works on MSX2.
[QUOTE]No, if you set bit6 ... addressing) It is a shame that the v9938/58 has no lineair copy commands like
v9990 has. That would realy be usefull
V9938. The point of Artrag's routine is that it works on MSX2.
I know that. Just ...
VDP backend behavior
Score: 108.58 %,
Type: Forum topic , Comments: 4 comments
http://www.msx.org/news/en/v9938-vram-access-reverse-engineered
Have you seen this post? We Have you seen this post? We mostly focused on MSX2 ...
VDP 8 bit VRAM ADDRESSING emulation issue
Score: 142.15 %,
Type: Forum topic , Comments: 12 comments
directly for setting register values. On the V9938 the LSB is stored in a separate latch (shared ... not appear to be...
Grauw wrote:
On the V9938 the
Grauw wrote:
On the V9938 the LSB ... wrote:
Grauw
ricbit wrote:
Grauw wrote:
On the V9938 the LSB is stored ...
VDP (TMS9918A) wait states
Score: 439.2 %,
Type: Forum topic , Comments: 24 comments
cycles when OUT time is included...
Another question: do the V9938 and V9958 require the same wait ... there's no need to delay the outputs. OTIR works fine in these machines!
Yes, the V9938 and V9958 doesn't have the same 'slow' reads Yes, the V9938 and V9958 doesn't have the same ...
VDP & out(98h),a
Score: 83.07 %,
Type: Forum topic , Comments: 17 comments
requirements... (as you can see in tms datasheet), so i will expect that a v9938 could handle this very nice ...
VDP
Score: 129.44 %,
Type: wiki , Comments: 0 comments
TMS9918 family of VDP chips
Toshiba T6950
Yamaha YM2220
Yamaha V9938
Yamaha V9958
There ...
Vampire Killer with Smooth scroll in Coleco
Score: 115.69 %,
Type: Forum topic , Comments: 36 comments
and video chips with nothing in common to the v9938 or v9958
An msx port would be almost as difficult ... you sure about that? I didn't see that custom videochip in the SGM2 is compatible with V9938 ...
