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SW for gfx9000
Score: 86.27 %,
Type: Forum topic , Comments: 46 comments
and v9990 and (preferably) executing them in parallel.
Can you write a z80 @3.5Mhz/V9938 version? ... an different approach. But the 'voxel engine' as is does run on a z80 @3.5Mhz and then we get ... @60hz on a normal z80. On the v9990 it's a matter of a VDP command......
Or are VDP commands ...
can this z80 code be made faster?
Score: 1153.82 %,
Type: Forum topic , Comments: 40 comments
can this z80 code be made faster?
ASM Player for msx-music
Score: 82.27 %,
Type: Forum topic , Comments: 27 comments
LD (FMMOUT+1),HL
S_TRPS: LD (TRBPSG),DE
RET
; ,, with Z80
S_Z80: LD HL,PC2OUT
LD (PACOUT+1),HL ... CNTMUS
JP STPMUS
JP FADMUS
JP S_R800
JP S_Z80
DB 2
BUSPLY: DB 0
DB 3 ; mapper
DW $8000 ; adres ... (SPDCNT),A
LD (FADING),A
DEC A
LD (POS),A
LD DE,0
CALL S_Z80
LD HL,CHNWC1
LD DE,CHNWC1+1
LD BC,9 ...
Choose a coleco game to be ported to msx
Score: 83.21 %,
Type: Forum topic , Comments: 41 comments
bytes)
- In some games you can use some of the z80 interrupts traps for this, if the game is not using ...
32 bit long to ascii
Score: 88.42 %,
Type: Forum topic , Comments: 16 comments
Is there any ASM snippet to port in ascii a 32 bit long ?
I have seen z80 ASM for 16 bit int ... Z80 instructions!). I'll see if I can find that snippet somewhere... or maybe someone else here ...
http://icarus.ticalc.org/articles/z80_faq.html
as no carry is passed between digits in different bytes
[quote]Actually I've never ...
Emulation for develping SW that works on real HW: FEATURE REQUEST
Score: 83.69 %,
Type: Forum topic , Comments: 50 comments
current_time [machine_info time]
set cycles [expr round($::z80_freq*($current_time - $last_write_time))]
set ... round($::z80_freq*($current_time - $last_read_time))]
set screen_enabled [expr [debug read "VDP regs" 1] & 64]
set ...
recording PSG and SCC registers in open/bluemsx
Score: 90.69 %,
Type: Forum topic , Comments: 8 comments
like x128, very-very old version of fMSX, Z80Stealth and some other)?
#
# Header:
#
# +0 4 ...
Raycasting on msx2 screen 5
Score: 84.01 %,
Type: Forum topic , Comments: 264 comments
on z80 that comes in the form of asm source code.
the only problem is that use mlt instruction on z180, ... bitmaps and SFX at about 10-15 fps....
It should be possible to do the same on a z80 at 3,5Mhz... ... a math coprocessor, it's heavy even for a 286 processor, on a z80 is huge!.
About the fixed ...
C cross compiler for z80
Score: 1170.18 %,
Type: Forum topic , Comments: 10 comments
What is the best C cross compiler for z80 ?
Does anyone have ever seen a gcc cross-compiler for z80?
Does anyone have ever compared the performance of
HI-TECH Z80 CP/M C compiler V3.09 (free) with the cross compiler
HI-TECH Z80 v7.80PL2 (commercial) ?
This latter has a limited free ...
VDPENC
Score: 395.34 %,
Type: Forum topic , Comments: 122 comments
it can be
displayed by the z80 in far less than a Vblank.
Naturally, @50fps the video takes a lot of ram unless I do not add vidio encoding.
As the z80 has a lot of spare time, this issue ... schemes on the resulting differences.
The z80 has plenty of spare time (the sole real task is to move ...
