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Strange behaviour (bug?) on SPRATR base addr register on V9938/58
Score: 177.45 %,
Type: Forum topic , Comments: 6 comments
to 0x1fa00, the SPRCOL table won't work properly (it is supposed to bet automatically set 512 bytes ... repeated.
This is how I set the registers:
; ---- set SPRATR to 0x1fa00 (SPRCOL is automatically set 512 bytes before SPRATR, so 0x1f800)
; bits: 16 14 7
; | | | ...
MSX Wings, port of a famous 90's game/MSX 2+/SC11 (Demo/WIP/POC)
Score: 179.77 %,
Type: Forum topic , Comments: 76 comments
https://studio.youtube.com/video/mUgsNs8ixX0/edit
correct link correct link https://www.youtube.com/watch?v=mUgsNs8ixX0
Thanks ...
Pletter (or other compression tools) performance
Score: 184.99 %,
Type: Forum topic , Comments: 23 comments
size, compression ratio and decompression speed. The best of them all was zx0 . Pletter was in 45th ... with zx0, though.
Decompressing directly the image to VRAM is feasible, but not all tools are offering this possibility (specifically the code to do it). I know zx0 does, I've seen the VRAM version in GitHub. The ...
Doubt about SCREEN 7 image files (.s70 and .s71)
Score: 184.02 %,
Type: Forum topic , Comments: 13 comments
are supposed to be used? My naive understanding was that the first file (.s70) should be placed on page 0 (0x00000) and the second (.s71) on the page 1 (0x10000). Of course the 7 bytes header should be ignored.
Is that correct? The VRAM on interlaced mode works this way? Even lines on page 0 and odd lines ...
MSX history in Japan compiled in one graph
Score: 185.25 %,
Type: Forum topic , Comments: 7 comments
https://hellotocky-msx.hatenablog.com/entry/2022/07/30/104031
It's in Japanese, but can be easily translated using Google Translator integrated ...
Assembly Z80, best way to divide by 16
Score: 185.7 %,
Type: Forum topic , Comments: 20 comments
pre-loaded (it also needs to be address aligned to 0x00 on low byte).
Speed is more crucial here than ... Another method:
ld hl,0D000h
ld (hl),Value ; Put the value to divide by 16 at 0D000h
xor a
rld ...
gdx wrote:
Another method:
ld hl,0D000h
ld (hl),Value ; Put the value to divide by 16 ...
Create a 32 kb ROM in Assembly
Score: 186.02 %,
Type: Forum topic , Comments: 4 comments
Hi guys, I'm trying to create a ROM from 0x4000 to 0xbfff using the code available here ... RSLREG
rrca
rrca
and 3 ;Keep bits corresponding to the page 4000h-7FFFh
ld c,a
ld b,0
ld hl,EXPTBL
add hl,bc
ld a,(hl)
and 80h
or c
ld c,a
inc hl
inc hl
inc hl
inc hl
ld a,(hl)
and 0Ch
or c ...
ayFX replayer, leaving a tiny sound after play a SFX
Score: 186.04 %,
Type: Forum topic , Comments: 4 comments
Hi guys, I have this problem as specified on title: after I call to play a sound FX using ayFX replayer it leaves a continuos tone playing on speaker, as if something wasn't ended correctly.
Is there a tutorial with the steps required to setup ...
Books about retro development
Score: 186.26 %,
Type: Forum topic , Comments: 2 comments
I just compiled a list of all books about retro development I read on the last couple of years and I think it would be of interest of all people here:
- Modern MSX BASIC Game Development (from Raul Portales)
Books from 8bitworkshop.com:
- ...
WebMSX - open ROM from local disk
Score: 187.76 %,
Type: Forum topic , Comments: 3 comments
Hi guys,
that should be a silly question, but I did some search and yet not able to do this:
https://webmsx.org/?ROM=c:\folder\file.ROM
If the parameter is a url it works perfectly. Any idea? Maybe running WebMSX locally?
...
