Search results
What is a mapper?
Score: 107.92 %,
Type: Forum topic , Comments: 6 comments
is the mapper of the MAIN RAM of the system.
A mapper is use to override the limitation of the CPU z80 ... addressing.
There is no magic.... the Z80 will READ/WRITE inside a block of RAM predefined ... that the Z80 will access, then the Z80 do tasks with that block (or page) of RAM, then when is no more needed ...
What is difference between Elektuur MSX Multi-slotcard and a slotexpander
Score: 130.2 %,
Type: Forum topic , Comments: 7 comments
are kind of memory pages, which the MSX sees. The Z80 can only "see" 64kb of memory, ... need their memory exposed to the Z80 all the time.
The problem with I/O port The problem ... slower in communication to the Z80; but this can be fine with devices which work semi-independently; say, ...
What is going on over at 0x0038/VDP when NOT using EXX?
Score: 118.3 %,
Type: Forum topic , Comments: 17 comments
Mystery behaviour does exist, like outi modifying status flags other than the Z80 manual specifies, ...
What is msx ?
Score: 403.47 %,
Type: Forum topic , Comments: 46 comments
intel You will need an Z80 Board to use It as an MSX 1
I Agree with GW basic With more screen modes ... floppy's
Extension Board Ram Clock And The Z80 board !!
I don't have said it was a I ... http://nemesis.lonestar.org/computers/tandy/software/apps/m4...
means that 8088 and z80 are binary compatible?
At least 8088->z80?
8088 and z80 ...
What is MSX lacking (so far)?
Score: 522.77 %,
Type: Forum topic , Comments: 75 comments
a good C compiler than use the Z80 registers as part the input frame work, if that is true, so is very ... your crappy BASIC programs run smoothly on a 3.58MHz Z80 too
KUN BASIC :)
actually, it would ... on a 3.58MHz Z80 too
You guys/girls don't know how crappy my basic programs are...hehehe... ...
What is MSX?
Score: 126.72 %,
Type: wiki , Comments: 0 comments
What is MSX?
Introduction
MSX is a Zilog Z80-based family of home computers which appeared in autumn 1983 as an attempt to establish a single standard in home computing similar to VHS ... main CPU is a Zilog Z80A running at 3.58MHz. The video subsystem is built around a TMS9918 ...
What is Next ??
Score: 393.8 %,
Type: Forum topic , Comments: 62 comments
/psg , z80 is missing.
I dont think the spartan have PLLs inside so it not possible to generate many clock rate unlike cyclone
which has 2 PLLs inside . ( usefull to make a Z80 at 100Mhz ! even if off ... compatible yet. A Z80 can be found at www.opencores.org .
@legacy:
I did not have anything to do ...
What is the difference of mega ram and memory mapped ram ?
Score: 529.18 %,
Type: Forum topic , Comments: 8 comments
use it to load ROMs or MegaROMs to it.
Since a z80 can only access 64kbyte at once how can we go ah Since a z80 can only access 64kbyte at once how can we go ahead of address #FFFF ? ( the limit of what z80 can access because of 16 bit address range).Or in that sense megaram is actually a cartridge ...
What is the point of bits [3:0] in the R15 of the PSG
Score: 123.9 %,
Type: Forum topic , Comments: 9 comments
in these details.
The description is from the The description is from the perspective of the Z80 ...
what is the status of Slotmans 'prince of persia' ?
Score: 537.98 %,
Type: Forum topic , Comments: 92 comments
ftp://ftp.nvg.ntnu.no/pub/sam-coupe/docs/manuals/software/SAM%20Coup%E9%20Technical%20Manual.zip
In short:
- Its Z80 runs @ 6MHz (without any extra delays on M1 cycles)
- It has ...
The fact this computer has:
A) Z80 @ 6MHz (and every piece of hardware works at this speed, ... most of a "screen 2" screen can be drawn just the same, since its Z80 runs twice faster ...
