-
z80 format: ED ED xx yyI've just been studying the documentation for the z80 file format: [url]http://www.worldofspectrum.org/faq/reference/z80format.htm[/url] I have a d…
... may be compressed and a decoder on a real Spectrum will ... -
How to stop cold calls?This is getting annoying now...recently we have been several getting cold calls a day on our land line - recorded messages from companies selling loa…
... using the modem's internal decoder, set it up to monitor ... -
An idea for a possible(?) new interfaceDue to the Spectrum's processor speed and the way the ULA works, there are a couple things (among others) that are difficult to do: -Gigascreen or a…
... , but also has hardware MP3 decoder, faster Z80 (up to 24 ... -
AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…
... /> jp rout_a0
; pattern decoder
PD_OrSm:
ld (ix ... -
AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…
... /> jp rout_a0
; pattern decoder
PD_OrSm:
ld (ix ... -
RAM PagingCan anyone shed some light as to how RAM paging actually works, at a hardware level (so not POKE xxxxx stuff). I know about CE and OE lines on DRAMs …
... hardware designer and an 'address decoder' is built (in hardware!) which ... a role in such address decoder.
In fact the /CE ... -
Sinclair ZXC3 FLASH ROM CartridgeI recently received mail about the new ZXC3 PCB which provides the unique ability to program it directly from the Spectrum without the need for an EP…
... interface 2 is an address decoder for the joystick ports, the ... -
Double Dragon 128k - The graphicsAs you are all probably aware, I tried gathering a team of people together a few years back to make a totally re-programmed version of Double Dragon …
... prototype of bit based arithmetic decoder already but compression is not ... -
Z80 compressorIs there one available? Is it any good? Peeps have been suggesting we should look into this, so here's a new thread! I'd do the compressor on the …
... compression ratio and very compact decoder. Sadly its decompressor is very ... -
Z80 compressorIs there one available? Is it any good? Peeps have been suggesting we should look into this, so here's a new thread! I'd do the compressor on the …
... !?!) I wrote this huffman decoder masterpiece:
; Static Huffman Decoder
; Alvin Albrecht 03.2003 ... /> ; enter: hl = root of decoder tree
; de = memory ... indexed by symbols pointing at decoder tree leaves)
; ... -
Midi out on a ZX SpectrumYears ago (may be over 15 years...) I soldered a small adapter that lets a keyboard or synthesizer connect to the ZX Spectrum 128K's midi/RS232 port.…
... as adress and I/O decoder (man, that saved a lot ... -
Modding / repairing a +3I've got a +3 and I'm repairing and enhacing the computer. The enhacements I've done so far: - A slightly buggy video composite output. - Repairing …
... more sophisticated alternative: build a decoder that decodes port $FF, so ... -
DivIDE and joystick interfaceWhich joystick interface works with the DivIDE and ZX 48K? I have TurboRAM but it works not correct or blocks DivIDE. Multiface One works with the j…
DivIDE and joystick interfaceWhich joystick interface works with the DivIDE and ZX 48K? I have TurboRAM but it works not correct or blocks DivIDE. Multiface One works with the j…
component out?I would like to connect ZX48K to plasma TV with component cable. I read somewhere that signals are on the expansion edge connector. Do I need somethi…
... you get if your PAL decoder has misalignement.
Therefore you ... and possibly a PAL matrix decoder from TV to rebuild RGB ...Joystick interface missing RD lineMy no name joystick interface has no RD line. It has the following ic's: SN74LS00N 74LS240N A How can I make a RD line? Micky
... LS00, and replace with some decoder with multiple #Enable inputs - HCT138 ...DivIDE and joystick interfaceWhich joystick interface works with the DivIDE and ZX 48K? I have TurboRAM but it works not correct or blocks DivIDE. Multiface One works with the j…
... /> - add RD signal to port decoder on joy interface
- connect ...+3 ProblemsI have been having a few problems with my +3 and I am wondering if anyone can help or give me some advice: 1. I have 2 blank disks which I have save…
... . For example an external TV decoder might generate a composite video ...Z80 compressorIs there one available? Is it any good? Peeps have been suggesting we should look into this, so here's a new thread! I'd do the compressor on the …
... compression ratio and very compact decoder. Sadly its decompressor is very ...Digital RadioWell, it looks like the switchover to digital radio may be delayed (it is planned for 2015) due to the slow uptake of DAB systems. A report by the BB…
... few amplifiers and the FM decoder chip then the output amp ...Issue 2 issue (...)Just acquired an issue 2 Spectrum 48 K, selled as working board, not working keyboard. Before testing it with a psu I opened the case and discovered …
... used to complete the address decoder for the ULA (=keyboard+border ...Check out this 1973 "games console"The Magnavox Odyssey - love the full colour graphics :) [youtube]H2EIsnr_cv4[/youtube] Discovered it whilst researching for the next documentary ch…
... direct feed from the satellite decoder box. That's got a ...Check out this 1973 "games console"The Magnavox Odyssey - love the full colour graphics :) [youtube]H2EIsnr_cv4[/youtube] Discovered it whilst researching for the next documentary ch…
... we recently got the HD decoder, and the menu system is ...Any retail workers here with tales of idiot/time wasting customers?Having seen the tread about people smiling on supermarket adverts I could tell you that The customer is NOT always right. Where I work theres some r…
... )
5 Satellite receivers with decoder cards (which at the time ...Any retail workers here with tales of idiot/time wasting customers?Having seen the tread about people smiling on supermarket adverts I could tell you that The customer is NOT always right. Where I work theres some r…
... )
5 Satellite receivers with decoder cards (which at the time ...Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... a,1
jr z,.lz4
dec sp
jp .loop
.lz4: dec bc
ld a ...designing a computerHi everyone! I am designing a 4 bit computer and i need some advice, is this a good instruction set? [CODE] BINARY OPCODE DESCRIPTION 00000 nop…
... , the registers work, the instruction decoder works, the ALU works, the ...Transferring games into MicrodriveLast week a big pack of empty microdrive cartridges arrived, and now I'm ready to playing with my little microdrive equipped speccy. One of my aim w…
... />
Snapshot patched
Decoder placed at 65194 (88 BYTES ...Running a Spectrum in the USI didn't realise how much hastle it was to set up a UK PAL Spectrum in the US. [url]http://wn.com/List_of_ZX_Spectrum_games[/url]. I knew about the …
... signal an 'identity', so the decoder at the home end can ...The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... kempston interface with uncomplete port decoder (some joy interfaces ignore RD ...
