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I cant belive this website and the activity round here!Hi! I?m new to this site (hope i have not posted in the wrong place already!). In the last few months I have got my self a PC to play games on from…
... just realised there is a Page 2.... DOHH! Posted twice ... Twilight from their 'Twilight page' from the link above ... okay on Unreal Spectrum and Z80 Stealth ( i havent tried ... until it finds the right block ( or if there's ... looking for a particular block of code. -
128 ramdisk loaderanyone got a program which will save the contents of ramdisk to tape in one go, rather than saving each file seperately then loading them and save!in…
... :
This is impossible. The Z80 cannot address that much memory ... the bytes read, and every 16384 bytes switch to the next ... as a separate headerless 16k block. The save could look something ... -
Which of these is acceptable FPS for shoot-em-upHi, I want to get peoples opinion as to an acceptable frame update speed for my shoot-em-up game that is in development. At the minute I could do it…
... .pectrum's problem - the z80 files downloaded first are compressed ... . From the CSSFAQ, the z80 file format states that v2 ... $FFFF - the first block starts with $4000 (16384 bytes) at byte 55 ... of SPIN not supporting uncompressed z80 blocks? SPIN handles those just ... -
Which of these is acceptable FPS for shoot-em-upHi, I want to get peoples opinion as to an acceptable frame update speed for my shoot-em-up game that is in development. At the minute I could do it…
... $FFFF - the first block starts with $4000 (16384 bytes) at byte 55 ... of SPIN not supporting uncompressed z80 blocks? SPIN handles those just ... 5 of byte 12 in Z80's header. If the bit ... -
Which of these is acceptable FPS for shoot-em-upHi, I want to get peoples opinion as to an acceptable frame update speed for my shoot-em-up game that is in development. At the minute I could do it…
... no sense. Each block has a header detailing ... block whilst decompressing.
Although blocks with >= 16384 ... certainly got a broken z80 saving routine. If I ... SPIN's z80 loader to accept 16384 byte blocks ... m breaking SPIN's z80 decoder.
... -
divIDE issuesI discovered a few issues with the divIDE hardware and FATware software that may be of interest to some people. 1. ROM paging If your Spectrum is a…
... resulting action (to page in or not to page) depends on a ... ) has known issues with 128k Z80 snapshots loading. The IM2 detection ... device using dd or similar block-copy utility. Goot fs formatters ... -
Method to read byte as binary string rather than dec?Hi all Am fiddling around with the screen buffer and have written a routine to scan the screenbuffer into upper ram and then write it back in upside…
... video buffer to the various block locations, certainly would be faster ... hard-coded to be at 16384 (I'm ignoring here the ... the specific RAM page that resides at address 16384 (again, ignoring the ... -
Unpublished spectrum gameHi there I have a Spectrum PDS development environment and before I get rid of my old PC which has an ISA slot I thought I should ask this question i…
... see it running as a .Z80 snapshot it to use SPIN ... select load memory block - load the memory block to 16384. Then just edit ... binary that should be on 16384...
[ This Message was ... -
ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…
... 256 banks of 16k. The Z80 address space
is ... b3 b2 b1 b0 - Block 3 bank select (48-64k ... b3 b2 b1 b0 - Block 2 bank select (32-48k ... any
writes this block (note, the individual banks are ... write will disable all further page changes and set WP ... -
ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…
... 256 banks of 16k. The Z80 address space
is ... b3 b2 b1 b0 - Block 3 bank select (48-64k ... b3 b2 b1 b0 - Block 2 bank select (32-48k ... any
writes this block (note, the individual banks are ... simply write the page number into two 8k page selectors at the ... -
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... the top of the z80's stack to 54016. ... BALLOC.LIB (the dynamic block memory allocator) to ... Basic system puts the z80 in im1 mode, which ... fragment sets up the dynamic block memory allocator (BALLOC.LIB ... leave 0xc000-0x8000 = 16384 bytes available to our program ... -
Extracting the Multiface ROM?Is there an easy way to save the contents of a real Multiface 128 ROM to tape, on a real spectrum, for the purposes of transferring it to PC for emul…
... the IN commands. The Multiface 128 that comes with a ...
191 to page OUT
63 to page IN
Z80, and to be honest, ... /> As I've said, my Z80 is very rusty and you ... page OUT. If that fails, are you sure you have a multiface ... -
GP2X handheld - ZX Spectrum emu goodnessIt's probably been covered here before, but I've spent the last week going crazy over the GP2X Linux-based, dual-core handheld that can emulate somet…
... .z80 files with an uncompressed block
- L and R advance a page ... -
rubber troublejus got 48K rubber speccy into my possesion, which was my first computer back then but only for few months before daddy decided to upgrade it for 48+…
... side of the upper RAM block. On an issue 4 PCB ... the ones used in the Multiface) to the other ends of ... the reset line of the Z80 to ground when the button ... -
crack down(us gold)hello when i was trying to map this game,i got to the end of level 14,the emulator(spectaculator 6.25)tried to load but just did nothing.i checked t…
... this but.i got the z80. file ready for andy,at ... the header to load the block. I just restarted the level ... (on the What's New Page) I presume the level data ... -
The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... br /> And here is the Z80 bubble sort posted in these ...
.org $c300
ArrayAddress: .block 256
--------------------------------
Notice ... clock cycles by using page zero for the flag ... the same thing on the Z80.
Feel ... -
The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... there is only one 16k block that is contended.
page into any 8/16k segment in the z80's ... -
The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... there is only one 16k block that is contended.
page into any 8/16k segment in the z80's ... -
Aggravating problem with screensI've rewritten my Sam C runtime emulator code ( well almost ) to allow me to use my own routines for blitting sprites onto the screen, storing tiles …
... sprite data into 1 16k page.
2. ... blitting routines into another 16k page. (see:*)
3. ... will get maybe a 2k block written to it of ... in that the sprite routines page will need to get ... present paged in for the z80?
Or do ... -
Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…
... reset)
- 3 pin jumper block (can be omitted as above ... add another 3 pin jumper block to the PCB layout for ... is paged in and which page gets mapped in. The single ... copy and share etc. My Z80 fu isn't as good ... loading of a 16K rom page, or copying a program ... -
Twister - original TZXWhat emulator can load this TZX version game? [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0005488[/url]
... .z80 File contains a block
that decompresses to greater
than 16384 ... bytes.
[/B][/code]But... It's NOT a .Z80 file ... -
Twister - original TZXWhat emulator can load this TZX version game? [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0005488[/url]
... .z80 File contains a block
that decompresses to greater
than 16384 ... bytes.
[/B][/code]But... It's NOT a .Z80 file ... -
Your views on...Monty on the Run[url=http://www.worldofspectrum.org/infoseek.cgi?regexp=^Monty+on+the+Run$&pub=^Gremlin+Graphics+Software+Ltd$&loadpics=on]The Monty on the Run[/url]…
... ; This .z80 file contains a block that decompresses to greater than 16384 bytes ... -
InterfaceHi I'm building a spectrum emulator. I've tried to build it as modular as possible, for example I have a zx class that have input and output devices…
... requests - i.e. when the Z80 assets the MREQ signal, and ... ROM chip (for addresses < 16384) or the lower 16K bank ... -
MULTITECH pictures[url]http://velesoft.speccy.cz/data-gear.htm[/url]
... of DMA (= move memory block 6144 bytes, variable destination ... on the velesoft's page where are my patches ...
The last point, Z80 DMA is natural companion of ... Z80 CPU. In fact, ... Spectrum can gain benefit of Z80 DMA, also ZX 81 ... -
Rom dumping a Mirage MicrodriverI need to dump the rom of my Mirage Microdriver for Zub and don't know what to do...any help?
... an OUT instruction that will page it in.[/QUOTE]
Z80 gets around to sampling the ... address in the 256-byte block from $3D00-$3DFF.)
Z80 is TTL compatible, and TTL ... -
Blok*Load on Multiface 128Spinning this off into a new thread to avoid cluttering up the original: [url]http://www.worldofspectrum.org/forums/showthread.php?t=17999&page=7[/u…
... since I've never used Block* Load (and probably never will ... />
Incidentally, I used a Multiface from when they came out ... Theo did grant permission. The page IN/OUT routines from Fussload ... a case of altering the page values - really is as simple ... -
How does the Z80 work internaly?How does the Z80 work internaly, i.e. how does it actually execute a machine code instruction? When it fetches a byte from the memory and finds, for…
The Z80 user manual has a discussion ... ]http://www.zilog.com/docs/z80/um0080.pdf[/url]
Z80 begins on page 21 (includes a rather simplified block diagram). -
Dangerous Z80 Assembly CommandHave been reading Toni Bakers' "Mastering MC On Ya Speccy" book and came across the list of Z80 commands in the dictionary section. Page 102 "[b]IM…
... /> Well, when it comes to Z80 coding on the speccy, I ... machine!
The built-in Z80 debugger/monitor on that system ... partially written game demo in Z80 assembler so far.
block size exceds 16384 bytes" or something similar ... -
IF2 Rom snapshot creationHi, is it possible convert a Speccy 16k snapshot to a Interface 2 Rom file? I've the original Ultimate Pssst, Cookie, Trans-am and Jetpac tapes and …
... /> B21B LDIR ;relocate 2nd block of code
B21D ... ;this deals with 3rd block of code
B223 ... ;this deals with 4th block of code
B229 ... B22F IM 1 ;remember Z80 starts in IM 0
16384[/CODE]
Burn ...
