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Why not?
Score: 87 %,
Type: Forum topic , Comments: 7 comments
required to do read or write in VRAM, i know the BIOS routine do the correct wave form period using z80 ...
Why not Pascal / C instead BASIC?
Score: 105.31 %,
Type: Forum topic , Comments: 42 comments
no experience with Pascal and C for Z80 computers I can't say anything for now.
For MSX, I really think ... are If you are considering...
...to integrate Z80 Assembly to your Pascal code, Hans Otten created ... Pascal, using Z80 ASM.
A lot of code written in ASM were added through inline code to my framework ...
Why low interest in V9938 / MSX2+ Software?
Score: 110.46 %,
Type: Forum topic , Comments: 21 comments
CPU load to update the character matrix for the Z80 (even handy) and horizontal scroll masking ...
why it is not possible?
Score: 112.3 %,
Type: Forum topic , Comments: 23 comments
controllers, it does. The Z80 has to read each individual byte from the FDC as they pass under the disk r/w ... each byte takes on average ~115 Z80 clock cycles. Just enough time for a short loop, perhaps a 2nd (or ... the head, the z80 must directly read from the head.
there is no way this can be interrupted. ...
Why is the MSX almost non existant in the U.S. ?
Score: 125.31 %,
Type: Forum topic , Comments: 31 comments
scrolling, and a great sound chip.
* Amstrad CPC, another UK based z80 based computer. Popular in the UK. ...
Why in the eighties they did not squezed hw?
Score: 105.82 %,
Type: Forum topic , Comments: 32 comments
etc. etc. Yeah, you can count on it that eventually our scene-style handling of the Z80 and the VDP ... you can count on it that eventually our scene-style handling of the Z80 and the VDP is more potent ... on it that eventually our scene-style handling of the Z80 and the VDP is more potent than the routines that commercial ...
Why FDD does not allow load while cpu process interrupts?
Score: 114.33 %,
Type: Forum topic , Comments: 18 comments
for the Z80 cpu in the MSX. But after that there no much time left to do other stuff.
Better architectures ... this is very likely not needed. They are faster than the Z80 to transfer data and all data is buffered, I do ... see the bit-time is 4us. So every 32us it produces a byte, every 114 or so Z80 cycles. But due ...
Why are you still MSX'ing?
Score: 85.01 %,
Type: Forum topic , Comments: 49 comments
learned other programming languages. Finally, I wrote a Z80 assembler for PC and then downgraded myself ...
Why are the DAC and ARG not 8 bytes?
Score: 448.42 %,
Type: Forum topic , Comments: 30 comments
Maybe the I'm Guessing : Maybe the MSX-BASIC format was more z80 friendly than the IEEE format ... the bigest part of MSX-BASIC is still using the original i8080 code, not Z80 optimized.
I remember ... is pure i8080 code, but even the bigest part of MSX-BASIC is still using the original i8080 code, not Z80 ...
why a so stupid mistake?
Score: 108.8 %,
Type: Forum topic , Comments: 98 comments
on msx like yamaha, sony, philips, toshiba.....
;-)
i can accept z80 (good cpu and diffused)
i can ... a lot of the z80 CPU time to transfer data.
- In a lot of other games, like nemesis the trick could ... channels and noise generation, it's enough for gaming of '80.
- cpu wise, z80 is superior ...
