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About msx processor speed (fudeba look at this, please)
Score: 108.55 %,
Type: Forum topic , Comments: 4 comments
0001Ch
EXPTBL EQU 0FCC1h
RG0SAV EQU 0F3DFh
RG1SAV EQU 0F3E0h
RG2SAV EQU 0F3E1h
RG3SAV EQU 0F3E2h
RG4SAV EQU 0F3E3h
RG5SAV EQU 0F3E4h
RG6SAV EQU 0F3E5h
RG7SAV EQU 0F3E6h
; Detect High Speed VDP
; Routine by Daniel Caetano - Amusement Factory
;
; Returns A=1 if high speed VDP
; Returns A=0 if slow VDP
; Uses ...
about cbios
Score: 108.47 %,
Type: Forum topic , Comments: 16 comments
on an original BIOS all routines are made from 0
The main goal of C-BIOS is to be compatible with the old ... it in a regular MSX without doing any hardware mods. Just load the BIOS in page 0 and the software in the following pages and there you go. Well, I guess it is not that easy if you do interslot calls to page 0 ...
VDP programmer guide
Score: 108.38 %,
Type: Forum topic , Comments: 10 comments
http://www.atariage.com/forums/index.php?showtopic=130508
at this link there is a reference to a texas instrument vdp programmer guide, by texas itself.
It's a newer document compared to the usual tms vdp datasheet, because:
1) do a mention of the mixed undocumented mode.
2) ...
vdp Mixed mode programming
Score: 108.48 %,
Type: Forum topic , Comments: 39 comments
0:
defined as a circle, color table say: red on blue
Frame 1:
defined as a filled circle, color ...
Allocate two PNTs, PNT0 at 1800h and PNT1 at 3800h
Use the first 128 tiles in PNT0 (say set0) and the second 128 in PNT1 (say set1)
Display PNT0, in the meanwhile update set1 and PNT1
when done, (it ...
What happen if:
Score: 108.3 %,
Type: Forum topic , Comments: 11 comments
the msx vdp require two bytes to set the vram ptr.
What happen if, the vramptr = 0x1000
and one does
out (0x99),80
out (0x98),byte to write
Does the next byte be written on 0x1080 ? ...
and vramptr must be 4081 and NOT 1040
now, if the out x98,0 really resets the "set cursor " ...
link not working....
Score: 108.26 %,
Type: Forum topic , Comments: 1 comment
http://www.*.nl/*/*
{mod: no linking to warezheavens eh, whether the bandwidth is down or not}
Bandwidth limit exceeded again :) Bandwidth limit exceeded again
(General discussion) ...
does this work?
Score: 108.38 %,
Type: Forum topic , Comments: 7 comments
on emus doing
ld c,0x99
in f,(c)
jp m,someaddr
does 'fill' the cpu flags with the vdp status reg?
this is faster than
in a,(0x99)
and 128
jp nz, someaddr
You'll ... that is bit 0.
So teoretically a jr c, some address after the in f,(c) should work. But you said me ...
www.karoshi.... again down?
Score: 108.34 %,
Type: Forum topic , Comments: 4 comments
..
Nope,...or at least it works fine for me...:-? Nope,...or at least it works fine for me...
working here PingPong, still having trouble :-? working here PingPong, still having trouble
Oops, it's really down right now ...
Basic interface
Score: 108.27 %,
Type: Forum topic , Comments: 3 comments
I'm looking for a place where to find info about msxbasic interface with assembly:
- How does work the ability to add commands? _somecommand.
- How does work the parameter passing?
- can be a kinda of "command overloading" ...
Have the VDP limits been surpassed?
Score: 108.26 %,
Type: Forum topic , Comments: 5 comments
2.0, which will start after CERN has opened up that worm hole. Just watch this space and wait ...
