#amstrad-cpc — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #amstrad-cpc, aggregated by home.social.
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🎁 Armor Alley by FitoSoft for Amstrad CPC, Initially coded in 1991 by 360 Pacific and Information Access Technologies.
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🎁 Knight's Tour by muckypaws for Amstrad CPC. A chess puzzle game.
Check: https://bunsen.itch.io/knights-tour-amstrad-cpc-by-muckypaws
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A #BASIC #oneliner from Rajiv Gatha for #AmstradCPC (published in "Amstrad Action", June 1987, p. 24:
10 MODE 0:s=306:WHILE(TEST(s+8,18))=0:TAG:MOVE s,14:PRINT CHR$(239);:MOVE RND(1)*620,399:PRINT CHR$(46);:TAGOFF:LOCATE 1,1:PRINT CHR$(11);CHR$(11);:s=s-((INKEY(71)+1) AND s>=0)*4:s=s+((INKEY(63)+1) AND s<=612)*4:WEND:PRINT"WHOOPS":FOR t=0 TO 1000:NEXT:RUN
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Scott Winder Reporter (1987) - Crack: Nul Part System (NPS) - #AmstradCPC
Super Squash 88 (1988) - Crack: ECA - #Commodore64
The Three Stooges (1987) - Crack: MAAD - #Amiga
Bump 'em (19xx) - Crack: Gods - #Commodore64 -
Enigma Force (1986) - Crack: STA - Trainer: +2 - #Commodore64
Jim Power in Mutant Planet (1992) - Crack: Guilde des Pirates Associés (GPA) - #AmstradCPC
Battletoads (1992) - Crack: Global OverDose (GOD) - #Amiga
Torvak the Warrior (1990) - Crack: Horizon (HZ) - #Amiga -
Space Racer (1988) - Crack: Ackerlight - #Amiga
Bubble Dizzy (1991) - Crack and Trainer: Guilde des Pirates Associés (GPA) - #AmstradCPC
Terra Cresta (1986) - Crack: Sharks - #Commodore64
Oops! (1988) - Crack: Bros - #Commodore64 -
Atom Ant to Up and Atom (1990) - Crack: Paramount (PAR) - #Commodore64
Rise of the Robots (1994) - Crack: Prestige (PSG) - #Amiga
Los Angeles SWAT (1987) - Crack: Section Jaguar - #AmstradCPC
Mopper (1992) - Crack: Image - #Commodore64 -
Maltese Joe Plays 3-D Pool (1989) - Crack: Transcom - #Commodore64
Muncher (1990) - Crack: Wicked (WKD) - #Commodore64
Vroom Data Disk (1992) - Crack and Trainer (+1): The Thrill Kill Kult (TKK) - #Amiga
Crack Down (1990) - Crack: Crackponx - #AmstradCPC -
En Armor Alley para #AmstradCPC controlas un helicóptero y tu base se encuentra en la parte izquierda y la base enemiga en la derecha. Tu misión es decidir qué unidades militares salen de tu base hacia la del rival.
👉 https://pulsayjuega.blog/2026/05/09/armor-alley/ 🕹️ #retrogaming #videojuegos -
PDS – the Programmers Development System – Part 3
This series of posts looks at the Programmers Development System (PDS).
- Part 1 – Introduction, background and some initial reverse engineering.
- Part 2 – A closer look at the PC ISA Interface card.
- Part 3 – Remaking the target interfaces
ZX Spectrum Interface
Here are the remade schematic and PCB for the ZX Spectrum target interface.
This is simply reproducing the schematic found on the CPC wiki, but now in KiCAD. There are a few extras, such as capacitors for the ICs and a pull-up resistor for the unused inverter. The equivalent PCB is shown below.
The PCB uses the ZX Spectrum Edge connector symbol and footprint from https://github.com/alvaroalea/8bits_kicad_libraries.
The jumpers in the top centre of the board use a custom footprint that mirrors the original PCB, but they can easily be replaced with standard pin-headers or even just a simple wire link.
Bill of Materials
- PDS Remake ZX Spectrum PCB
- Z8420 Z80 PIO (NMOS is currently assumed given it has to work with a Z80A at 3.5MHz)
- 74LS245 octal bus transciever
- 74LS04 hex inverter
- Resistors: 1K, 4K7, 10K
- Capacitors: 3x 100nF
- 6x6x6mm tactile button switch
- SPDT slider switch 2.54mm pitch OR 2.54mm header pins and jumper
- 16-way 2×8 shrouded pin header socket
- ZX Spectrum edge connector (straight)
I’m using a standard/common 56-pin edge connector socket which will have to be “doctored” to turn it into a ZX Spectrum compatible socket. There are notes on how to do this online, but I’ve not experimented yet.
Amstrad CPC Interface
This is very similar to the ZX Spectrum, but the address decoding gives it a different address (see part 1 for details).
The PCB is using a custom 2×25-way edge connector taken from the ZX Spectrum one used previously. It also uses the same custom jumpers as the ZX Spectrum version.
Bill of Materials
- Z8420 Z80 PIO (NMOS is currently assumed given it has to work with a Z80A at 3.5MHz)
- 74LS245 octal bus transciever
- 74LS04 hex inverter
- 74LS032 quad 2-input OR gate
- Resistors: 1K, 4x 4K7, 10K, 1M
- Capacitors: 4x 100nF
- 6x6x6mm tactile button switch
- SPDT slider switch 2.54mm pitch OR 2.54mm header pins and jumper
- 16-way 2×8 shrouded pin header socket
- 50-pin (2×25) edge connector (straight)
I think the edge connector will be a standard 2×25 way, 2.54mm pitch, edge connector socket that will look something like this:
But someone who knows about the Amstrad CPC will have to confirm this is the right one!
Conclusion
These boards come with a HUGE CAVEAT: they are completely untested and in the case of the Amstrad CPC version, a whole pile of ignorance, as I know effectively nothing about the machines.
I think I’ve got the edge connector in the correct orientation for both, but that is still to be verified.
I’ll probably build the spectrum version, but there is little reason for me to build the Amstrad one unless I can find a machine to try it on!
For now, these are just documenting the current state of play with remaking these boards.
All files are currently in a private GitHub directory as I’m not sure what the licensing issues are going to be. But if you’d like to collaborate with me on getting them built and tested, drop me an email and we can chat.
Kevin
#amstradCpc #pds #programmersDevelopmentSystem #z80Pio #zxSpectrum -
Oxyd (1992) - Crack: Skid Row (SKR) - #Amiga
Hot Rubber (1991) - Crack: Skid Row (SKR) - #Amiga
Super Robin Hood (1986) - Crack and Trainer: Nul Part System (NPS) - #AmstradCPC
Operation Hanoi (1990) - Crack: Dominators - Trainer: +5 - #Commodore64 -
El equipo de ESP Soft ya nos sorprendió con la conversión a Amstrad del fabuloso Arquímedes XXI de Dinamic, título al que hacen un homenaje lanzando este «spin off» que es Euclides XXI disponible en https://espsoft.blogspot.com/2019/06/euclides-xxi.html ¡No dejes de jugarlo! #amstradcpc #retrogaming #aventuras
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Can't believe there's an offficial sequel to Head over Heels now 😍 The original was one of my most-played CPC games.
https://thalamusdigital.itch.io/return-to-blacktooth-atarist
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En Armor Alley para #AmstradCPC controlas un helicóptero y tu base se encuentra en la parte izquierda y la base enemiga en la derecha. Tu misión es decidir qué unidades militares salen de tu base hacia la del rival.
👉 https://fitosoft.itch.io/cpcarmoralley 🕹️ #retrogaming #videojuegos -
Corsarios (1988) - Crack: The Spanish Hacker & Steel Mc Kraken - #AmstradCPC
Phimosis (19xx) - Crack: Rough Trade Inc. (RTI) - #Commodore64
Voodoo Nightmare (1990) - Trainer (+2): Skid Row (SKR) - #Amiga
Fred's Back (1993) - Crack: Laxity (LXT) - #Commodore64 -
Frost Byte (1987) - Crack: The Light Force - Trainer: +1 - #Commodore64
LA Police Dept. (1991) - Crack: Transcom - Trainer: +5 - #Commodore64
Zygy (1987) - Crack: Mc Spe - #AmstradCPC
Poker Mania (1994) - Crack: Hot Tuna - #Amiga -
Con un acabado impecable, un argumento sólido y unos gráficos soberbios Doomsday Lost Echoes nos propone una odisea espacial dónde en el papel de Mike tenemos que acudir a una llamada de rescate recibida desde una estación espacial abandonada. 👉 https://pulsayjuega.blog/2017/01/05/doomsday-lost-echoes/ 🕹️ #AmstradCPC #retrogaming #videojuegos
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Xevious (1982) - Crack: AEK Crackware - #Commodore64
Sabotage (1988) - Crack: Fusion (FS) - #Commodore64
Savage (1988) - Crack: Nul Part System (NPS) - #AmstradCPC
Manix (1990) - Intro Hack: Spaikers - #Amiga -
Repórter Retro 124
https://retropolis.com.br/2026/04/29/reporter-retro-124/
#ReprterRetro #68000 #68020 #ActionRetro #AdrianBlack #Agfa #AmstradCpc #Apple1 #AtariSt #BareMetal #CalebeAdventure #Codeolences #DanielFalco #DNS #DockingStation #Emuladores #ENIAC #fMSX #GutBomb #IBM #IBMPCjr #Intel #Intel8085 #KonradZuse #LGP21 #MacSE30 #Macintosh #microsoft #MSXDev #NASDAQ #OldComputersSucked #PCXT #PowerBook #RaspberryPi #RetroCollective #RetroTechChris #SanderSouza #SBC #SunMicrosystems #Tan
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Jug (1989) - Crack: The Accumulators (ACC) & The Soft Killer Crew (TSK) - #Amiga
Brides of Dracula (1992) - Crack: Skid Row (SKR) - #Amiga
Topografie Europa (19xx) - Crack: 2703 & DNS - #Commodore64
Operation Hanoi (1990) - Crack and Trainer: Two Mag - #AmstradCPC -
RE: https://mastodon.social/@thalamusdigital/116466649916785116
Forse non tanto noto fuori dal retrogaming per home computers, Head over Heels è stato uno dei platform 3d che è rimasto nella leggenda di questa nicchia grazie a un gameplay diviso tra due personaggi con ruoli diversi.
Bello vedere un nuovo revival in arrivo.#retrogaming #retrocomputing #c64 #zxspectrum #commodore #sinclair #amstradcpc #amstrad
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Sirwood (1989) - Crack: Tiger SOft - #AmstradCPC
Peter Beardsley's International Football (1988) - Crack: Dominators - #Commodore64
ThunderHawk AH-73M (1991) - Crack: Skid Row (SKR) - #Amiga
Gem'Z (1992) - Crack: Hoodlum (HLM) - Trainer (+10): Anthrox (ATX) - #Amiga -
Happy to back Shadow of the CPC by Editions64k on @kickstarter !
https://www.kickstarter.com/projects/editions64k/in-the-shadow-of-the-cpc
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Spider (1987) - Crack: ASS - #Commodore64
North Star (1988) - Crack and Trainer: Two Mag - #AmstradCPC
Hazar (1991) - Crack: Action + NEI - #Commodore64
Gravity-Force (1989) - Crack: Quartex (QTX) - Trainer (+1): Double Density Crew (DDC) - #Amiga -
Dervish (1989) - Crack: ZED the Elf & Caloundra Cracking - #AmstradCPC
Battlehawks 1942 (1989) - Crack: Trilogy - #Amiga
Fifth Ball (19xx) - Crack: Chromance - Trainer: +1 - #Commodore64
Demolition Construction Set (1988) - Crack: The Wanderer Group (TWG) - #Commodore64 -
Wiz 'n Liz (1993) - Trainer (+10): Zenith (ZNT) - #Amiga
Aztec Challenge (1983) - Crack: Remember - Trainer: +3 - #Commodore64
Thing Bounces Back (1987) - Crack: Chon-Chon - #AmstradCPC
Novaload +1E (2001) - Crack: The New Dimension - #Commodore64 -
Elidon (1985) - Crack: Mediator + SCS - #Commodore64
Pipe Mania (1989) - Crack: ZZ Top - #Amiga
Rockford (1988) - Crack: ACS - #AmstradCPC
Diabolik 03 - La Fuga (1993) - Crack and Trainer (+1): Comax - #Amiga -
Nightshade es un peldaño notable en la evolución de los juegos isométricos en 8 bits y demostró que incluso máquinas modestas como el #ZXSpectrum podían ofrecer mundos relativamente grandes e interactivos
👉 https://pulsayjuega.blog/2026/04/17/14926/ 🕹️ #MSX #AmstradCPC #Commodore64 #retrogaming