Search results
VDP commands in SC4
Score: 155.58 %,
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, ...
Undestanding H.KEYI and H.TIMI
Score: 155.38 %,
Type: Forum topic , Comments: 6 comments
:
- push all registers
- call H.KEYI
- read S#0
- if S#0 is positive (bit 7=0) then exit ISR ... confirmed (S#0 bit 7=1)
BUT ... There's a test of S#0 bit 5 just after H.TIMI to check ... collision.
Questions:
- Is the S#0 bit 7 ("F") only set by VBLANK ?
- Could it be set ...
Several games for sale
Score: 154.98 %,
Type: Forum topic , Comments: 4 comments
Hello,
For sale :
- Rastan Saga: complete with manual in french and in english - 80€
- Vampire Killer: only the cartridge, japanese version - 50€
- Nemesis: complete - 40€
- Pennant Race 2 (SCC): only the cartridge - 40€
Thank you.
...
[WTS] Vampire Killer
Score: 153.67 %,
Type: Forum topic , Comments: 2 comments
Hello,
Located in Belgium, price without shipping :
. Vampire Killer (EU version), cartridge only (very good) and manual (worn) : 70 euros
. Vampire Killer (JP version), cartridge only (excellent) : 90 euros
PM me at metalion (at) orange ...
What is the best small 4/3 flat screen solution ?
Score: 153.43 %,
Type: Forum topic , Comments: 18 comments
a https://www.benq.com/en-us/monitor/stylish/gw2283-22-inch.html with the Open Source Scan Converter (OSSC). Works perfect :) I did choose the monitor because ...
Do you always use di/ei for VDP access ?
Score: 152.77 %,
Type: Forum topic , Comments: 9 comments
Hi everyone,
Do you use di/ei for every case of VDP access ?
It seems to me it can be avoided when it's a port where ISR will not access.
For example, loading the palette colors on the V9938:
ld hl,palette
ld bc,16*2:9Ah
xor a
...
ASCII 8 mapper does not work
Score: 152.76 %,
Type: Forum topic , Comments: 9 comments
at the beginning to facilitate the automatic recognition :
ld a,0
ld (6000h),a
ld a,1
ld (6800h),a
ld a,2 ...
call 138h
[2] rrca
and 03h
ld c,a
ld hl,0FCC1h
add a,l
ld l,a
ld a,(hl)
and 80h
or c
ld c,a
[4] inc l
ld a,(hl)
and 0Ch
or c
ld h,80h
jp 24h
What I do not understand, is that it works ...
[WTB] TMTLogic GFX-Nine / Tecnobytes PowerGraph Light
Score: 152.62 %,
Type: Forum topic , Comments: 1 comment
Hello,
As the title says, I'm searching for a V9990 extension.
Either a TMTLogic GFX-Nine or a Tecnobytes Powergraph Light .
Thanks.
Technobytes are running a Technobytes are running a pre-order on a new batch, in case ...
Setting up a command on V9990
Score: 152.65 %,
Type: Forum topic , Comments: 8 comments
do_command
test
word 0,0,32,32,64,64,0,0FFh,6666h,6666h
byte 20h
do_command
ld a,32
out (reg_select),a ... debuggable from the openMSX console with:
debug read Sunrise\ GFX9000\ regs [n]
Where [n] is 0 ... with the stand corrected, with the debugger version I have also the high regs always show 0, perhaps a bug indeed ...
