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Repairing my poor NMS 800
Score: 164.3 %,
Type: Forum topic , Comments: 2 comments
on the nms800 board picture for the z80. Only the VDP. So how is the z80 clock generated? Looks like the Z80 ... for the z80. Only the VDP. So how is the z80 clock generated?
It's got a x-tal, it's right ...
Looks like the Z80 is running too fast, but could also be a ram/vram issue. You need an oscilloscope ...
MSX1 benchmark & speed differences
Score: 142.55 %,
Type: Forum topic , Comments: 12 comments
often compared to emulated machines. ie. Philips machines seem to report a bit slower Z80 clock speed. ... to differ quite often compared to emulated machines. ie. Philips machines seem to report a bit slower Z80 ...
MSX Music Player using R800
Score: 148.33 %,
Type: Forum topic , Comments: 5 comments
writing the registers. These are 4T in Z80 and 1T in R800. Maybe I'll do eight ex af,af' ...
Looking for an assembler coding buddy
Score: 142.69 %,
Type: Forum topic , Comments: 18 comments
Someone who speaks Z80 assembler fluently and knows the V9938 / V9958 like the back of their hand. ...
One chip MSX improvement project
Score: 410.4 %,
Type: Forum topic , Comments: 1225 comments
Z80 at 3,58MHz)
www.webalice.it/gnogni
emsx_top_20080426_005.zip was deleted. ... Anniversary demo (by Abyss) work fine with OCM-PLD v2.2b (VGA + Z80 at 3,58MHz)
www.webalice.it/gnogni ...
Screen 4 - vram usage
Score: 140.97 %,
Type: Forum topic , Comments: 102 comments
17-16-15th bit is stored in a z80 RAM location called ACPAGE, setting the vram ptr.
then a simple out ... effectively there is a "logical" view of memory consisting of contigous addresses (from the z80 ... for the vdp that a double floating point IEEE value has for the z80 or 6510 or 8086 (they are only bytes). ...
OpenMSX / G9K / Real hardware issue / V9990
Score: 131.76 %,
Type: Forum topic , Comments: 35 comments
and more stable but all must be in compatibility with all Z80 supported /models/machines and of course ... vram into ram and back.
Anyone who's a v9990 god, who knows, and wants to help with the z80 ...
MSX Assembly Page
Score: 420.48 %,
Type: Forum topic , Comments: 107 comments
just added a new column to I just added a new column to the Z80 instruction set overview ... detection .
The z80 cycle table for MSX The z80 cycle table for MSX is cool. First time I see one. ... timing information in the Z80 instruction set overview article, as well as added a new column ...
OCM-SM / Second Gen OCM Devices - OCM 3.9 expansion project
Score: 138.04 %,
Type: Forum topic , Comments: 21 comments
would be higher z80 speeds, just tie mappers and rams to SRAM and you can clock z80 like a champ (it ... made a fix for z80/t800 core so OCM devices can run Lilly's saga nicely, I've incorporated ...
USB joystick adapter for MSX joysticks and more
Score: 107.97 %,
Type: Forum topic , Comments: 32 comments
some research to create a joystick library for the MSX, the JoyLib. But it's written in Z80 asm, ... hard: the algorithms are simple, as they were made for Z80 & M68000 computers with very little ...
