Search results
DIY 2MB and 4MB memory mapper
Score: 139.34 %,
Type: News post , Comments: 18 comments
are compatible with TTL levels.
The same is true for V9938/58, 82C55, and possibly all MSX engines. They ...
Conversion from SVI-738 MSX2 to MSX2+ (HELP!)
Score: 139.03 %,
Type: Forum topic , Comments: 17 comments
logo, then it looks normal. In fact, I tried placing the V9938 (without wiring) and it does exactly ...
Remaining VRAM in screen 8
Score: 138.92 %,
Type: Forum topic , Comments: 5 comments
at http://m.gr8bit.ru/gr8bit-knowledge-base.html
For the
V9938-programmers-guide.pdf
(Development) ...
Simultaneous vblank and hblank interruption?
Score: 138.87 %,
Type: Forum topic , Comments: 11 comments
this function.
Since the V9938 doesn't monitor Z80 instruction fetches it can't clear the IRQ ...
Omega DIY 50 hz or 60 hz
Score: 138.78 %,
Type: Forum topic , Comments: 15 comments
standard.
The V9938 can switch 50/60Hz and the default is set in the BIOS you use.
Hello Manuel, ... hz option.
Just had a look at the videochip I bought. It is a Yamaha V9958. The V9938 is also ...
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 ...
Convert image to V9990 P1 mode
Score: 138.65 %,
Type: Forum topic , Comments: 34 comments
definitely much simpler than TMS9918,V9938 or V9958.
I agree, but when you come I agree, but when ...
MSX 2 Direct VRAM access speeds?
Score: 138.3 %,
Type: Forum topic , Comments: 16 comments
http://map.grauw.nl/articles/vdp_tut.php#vramtiming
Minimum VRAM access timings in 3.58 MHz Z80 cycles
Screen mode VDP mode TMS9918 V9938 / ... with command execution, because I’ve used OUTI many times with the V9938 and never had issues.
Re. your ... vertical blanking period. The V9938 and V9958 are also identical in terms of timing. I would be extremely ...
CON-SUP Connector
Score: 138.24 %,
Type: wiki , Comments: 0 comments
33
DLCLK *
O
34
DHCLK *
O
35
CBDR *
O
36
BLEO *
O
Pin directly connected to v9938
37
C0 ... IC2A (pin 6) = CSYNC
55-60
GND
Ground
Pins 32-36 are buffered outputs, connected to v9938 through a 74LS244 chip.
Color bus buffer direction is controlled with v9938 CBDR pin.
Pins 53,54 are connected ...
MSX2 palette that copies MSX1 palette / interlaced support in SCREEN 4
Score: 137.66 %,
Type: Forum topic , Comments: 5 comments
pages and the other to interlace. See the “Special Functions” section of the V9938 application manual ...
