Retrogaming
In this section are listed the games I've wrote in my
free time for Atari, Colecovision, Intellivision and MSX platforms, some are
available online and some only in cartridge and there are also enhanced
cartridge versions. You can see them as indie games :).
Just let me say you'll be back to the eighties and you'll be
surprised of how much fun have you been missing, powered by an
8-bits Zilog Z80, CP1610 or a MOS 6502 ;)
- Pumpkin Bakery (2024, arcade) Pumpkin Smith is the proud owner of a pumpkin pie bakery, and his best customers are... skeletons. Careful! They want so badly your pies that you must serve fast! And things are only starting as the skeletons are every time quicker!
- Download available from here (Intellivision)
- Pumpkin Castle (2023, arcade) Guide your brave but friendly pumpkin to take the bell, catch ropes, avoid holes, arrows, stones, and horrid skeletons in the castle and rescue the beautiful girlfriend awaiting for him.
- Download available from here (Intellivision)
- Thunder Soldier (2023, arcade) Lt. Thunder, one-man army is called for a desperate mission involving weapons that shoudn't be unleashed at any price. The rumours says there are zombie soldiers, undead astronauts, and death!
- The Lost Kingdom (2022, exploration) The legend says that the crown is hidden somewhere in this world, maybe if you can find it, you can become the king!
- Tower Attack (2023, arcade) Defend your tower from the hordes of Rev Corp. clones that want your last 10 Intellivision cartridges. My Fools' Day game for 2023.
- Download available from here (Intellivision)
- Mr. Chess (2023, board game) Play against your Intellivision, or in a tournament against Monkey, Sue, and Professor Shifu.
- Pumpkin Attack (2022, arcade) When the skeletons try to steal the Halloween Day, only Pumpkin Smith can stop them riding a rocket with a laser cannon!
- Download available from here (Intellivision)
- Gorillas (2022, Educational) Try to hit your opponent with an explosive banana! Just give the right angle and velocity, while keeping the wind in mind.
- Download available from here (Intellivision)
- Akalabeth (2022, RPG) Tis thy duty to rid Akalabeth of the foul creatures which infest it, whilst trying to stay alive!
- Soon to be available in Intellivision cartridge.
- My Akalabeth port from AppleSoft BASIC to GW-BASIC.
- Pumpkin Mischief (2021, maze) Our friendly pumpkin has entered the Nosferatu's castle to break things! My annual Halloween game for Atariage.
- Download available from here (Intellivision)
- Castle of Death (2021, platforms) The prince wants the greatest treasure of the kingdom, but it is hidden in a castle full of deathly traps!
- Unlucky Pony (2021, platforms) Guide your very unlucky pony to eat so many apples as possible while defeating the bosses of each of the five worlds.
- The Leprechaun's Flight (2021, arcade) Made for the St. Patrick's Day, a leprechaun needs clovers and the only way of getting them is flying with a balloon, while avoiding pelicans, triangles, and foxes with their own balloons!
- Download available from here.
- Frankenstein's Monster (2020, arcade) The monster is ready to awake unless you can build a wall around it! Clock doesn't stop, keep running and avoid ghosts, spiders, and bats. An Intellivision version of a classic Atari 2600 game.
- Zombie Madness (2020, arcade) Your son made a big mistake and now you need to save your family from the zombies! Bring your kids to the door avoiding zombies, banshees, and giant zombies! Action and excitement for one or two simultaneous players.
- Intellivision cartridge sold out.
- Lunar Leeper (2019, arcade). Rescue the stranded astronauts on the Moon, avoid the vicious Lunar Leepers, and fight the ominous Eye! This game appeared on Apple II and C64, but not on Colecovision as announced in 1984, so I solved it developing this game!
- Colecovision cartridge sold out.
- Aardvark (2019, arcade) guide the Aardvark to eat the most delicious ants and queen ants, but be careful with the worm and the spider! Crazy action in this game available both for Atari 2600 and Intellivision.
- Steamroller (2018, arcade)
guide your steamroller to catch the beach balls, close the manholes and avoid these to
convert into bombs. Play against other player or against the CPU. The last game of
David Rolfe for Activision in 1984 now in Intellivision and authorized by its creator!
- Available in Intellivision cartridge.
- Sydney Hunter and the Caverns of Death (2018, platforms)
Sydney Hunter is bold, but maybe this time he has gone too far entering into the Caverns of Death. Can you save him
from the volcano?
- Available in Colecovision cartridge from Collectorvision.
- Pack-in game for the Colecovision Phoenix console.
- Pumpkin Master (2018, arcade)
in the Halloween Day what could be better than: crushing pumpkins with a proton cannon!
maybe your neighbors can help, maybe.
- Intellivision cartridge sold out.
- Demo available here (Intellivisión).
- Hover Bovver (2018, arcade)
never has been so fun to cut grass and now in your Intellivision.
The classic game from Jeff Minter now available.
- Available in Intellivision cartridge
- Meteor Storm (2018, arcade)
pseudo 3-D space game for Intellivision,
it's included in the compilation of games IntyBASIC Showcase Vol.2 published by
Intellivision Revolution.
- Available in Intellivision cartridge
- Miner 2049er (2017, platforms)
this game wasn't published for Intellivision in the eighties. I had the luck to develop it with full license from the original developer Bill Hogue and new levels
from the original designer Curtis Mikolyski. Designed for
Elektronite under request.
- Available in Intellivision cartridge
- Sydney Hunter and the Sacred Tribe (2016, action/platforms)
Hunter is being held hostage by the Sacred Tribe at some place of
South America, his only chance to escape is to search for the diamonds
in the infested dungeons. Developed for Collectorvision under request
- Cartridge for Intellivision sold out.
- Cartridge for Colecovision sold out.
- Soon to be available in MSX cartridge
- Soon to be available in SMS cartridge
- Mecha-9 (2015, arcade vertical scrolling)
the Mecha-9 fills the missing story in the epic saga of Mecha-8, fighting its
own battle with bosses from another dimension.
- Available in Colecovision cartridge
- Available in MSX cartridge
- Colecovision ROM now freely available for download!
- Space Raid (2013, arcade isometric), the
ultimate battle in space raiding fortresses, it's you or your enemies.
- Mecha Eight (2012, arcade vertical
scrolling, fifth place at MSXdev'11), an army of aliens has invaded a little planet and defeated the
defenders, or almost, still remains Mecha-8.
- Enhanced cartridge for Colecovision (sold out)
- Enhanced cartridge for MSX
- Ported to Spectravideo SV-318
- Online availability for MSX
- Online availability for Colecovision
- It's included in the Colecovision Flashback!
- Colecovision ROM now freely available for download!
- Princess Quest (2012, arcade
platforms), guide a medieval knight in the quest for a princess, five
differents worlds and a big musical score.
- Available as digital download for Colecovision
- Available as digital download for MSX
- Cartridge for Intellivision (sold out)
- It's included in the Colecovision Flashback!
- Colecovision cartridge (sold out)
- MSX cartridge (sold out)
- Colecovision ROM now available for download.
- Zombie Near (2011, action/maze,
2nd. place at MSXdev'10), survive in zombie-infested laboratories,
rescue scientists and defeat bosses to escape.
- Enhanced cartridge for Colecovision (sold out)
- Enhanced cartridge for MSX (sold out)
- Ported to Spectravideo SV-318
- Ported to Memotech MTX-512
- Online availability for MSX
- Now source code and ROM available!
- Meteors (2017, arcade), fight a rain of meteors and avoid the alien spaceships.
- IntyLander (2015, dexterity), land your capsule over the Moon controlling the
gravity and avoiding the aliens.
- IntyPak (2015, arcade), eat all the points in the labyrinth while ghosts chase you.
- 2048 (2016, board), displace squares to pair numbers and get the magical 2048 number.
- Oh! Mummy (2016, arcade), excavation of egyptian tombs, what could go wrong? mummies...
- Aardvark (2016, arcade), guide your aardvark to eat all the delicious ants you can while avoiding bug and spiders. In development
- Download here (Atari VCS/2600, only binary)
- Soon to be available in enhanced cartridge.
- F-Bird (2017, boot sector), a clone of Flappy Bird in text mode and only 512 bytes of x86 assembler for a boot sector.
- Grail of the Gods (2018, RPG), port to Intellivision of a mini-RPG/Rogue-like by IBOL written in DarkBasic.
- Astro Cube, my entry for the the 4K
Short'n'Sweet Game Contest for TI-99/4A computers. (5th place)
- Borzork, my entry for the the 4K
Short'n'Sweet Game Contest for TI-99/4A computers. (2nd place)
- Cubos, one of my early games in Z80 machine code developed in 1991.
- Viboritas, one of my early games in Z80 machine code developed in 1990.
- Karateka, my very first game in Z80 assembler language.
Toolkits
Besides my games, I've wrote some utilities and toolkits:
- CoolGB v0.1, a powerful Gameboy/Gameboy Color emulator for Mac OS X/Windows/Linux.
- CoolCV v0.1-v0.6, a powerful Colecovision emulator for
Mac OS X/Windows/Linux/Raspberry PI, including support for Megacart and Super
Game Module. (no other emulator currently with these capabilities)
- Super Game Module test program (May/05/2013), if you're the proud owner
of the rare Opcode Super Game Module, then with this program you'll be able
to test it fully.
- IntyBASIC cross-compiler, this compiler allows you to
write games and other programs in a dialect of BASIC for running over
Intellivision consoles.
Patches
Some Colecovision games were faulty since its design or
manufacturing, this is thirty years ago!
I've made some patches (all linking to AtariAge):
- Super Cobra patch, allows to play it in an ADAM computer.
- Defender patch (post #25), allows to show radar in a PAL Colecovision and makes controllers to work in ADAM.
- Sector Alpha patch (post #13), original cartridges are faulty causing missing graphics.
I've made a patch that replaces bad data with good data from the SVI-328
version in order to show the game in its full glory :)
- I've made a patch for Coleco ADAM's Grog's Revenge, solving
bugs of a 30 years-old game ;)
What is a MSX/Colecovision?
The MSX were home computers with keyboard integrated in
case ready to plug into TV, them had great success in its origin country Japan
and later were manufactured for other countries. It evolved further as MSX 2,
MSX 2+ and MSX turbo-R.
Almost at the same time, the Colecovision console was
created as a competitor to the Atari 2600 and Intellivision, it enjoyed a
great success in U.S.A. because of its arcade games versions like Burger Time,
Donkey Kong and Zaxxon.
Specifications
| Classic MSX 1 | Colecovision
|
|---|
| Target market | Home computer | Game console
|
|---|
| Life period | 1983-1993 | 1982-1985
|
|---|
| Units sold | 5 million | 6 million
|
|---|
| Games | 1000 approx. | 131 approx.
|
|---|
| Countries | Japan, Korea, Europe and South America
| U.S.A, Canada, Europe and South America
|
|---|
| Processor | Zilog Z80 running at 3.579545 mhz
|
|---|
| Video | Texas Instruments TMS9118 processor
(256x192 pixels in 16 colors).
|
|---|
| Video RAM | 16 kb.
|
|---|
| Sound chip | General Instruments AY-3-8910
(3 voices with envelop and one noise channel)
| Texas Instruments SN76489 (3 voices and one noise channel)
|
|---|
| Internal ROM | 32 kb. minimum | 8 kb.
|
|---|
| Internal RAM | 8 kb. minimum | 1 kb.
|
|---|
Other machines with similar specifications were the
Spectravideo and Sega SG-1000.
Of course, writing a game for these platforms is a real
challenge, to get a fast game you need to write everything in Z80 assembly
code, optimize it to fit the available space and find out novel ways of
using the limited video processor.
Sony HB-F1XDJ MSX2+ with a Zombie Near cartridge inserted
The Colecovision is going to be re-released in
October 2014 by AtGames Ltd. as
Colecovision Flashback with 60 games, and
my games Princess Quest and Mecha-8 are included in the
game selection.
Curious facts
I've developed and finished Zombie Near without ever
touching a real MSX or Colecovision :). Ironically my first MSX cartridges were
my own game sent by Matra and received in July 2011, I got my first
Colecovision in April 2012 and my first MSX computer in May 2012.
I had age 9 when I started to code my first Z80
machine code programs.
MSX computers never were sold at Mexico, nevertheless from
1986 until 1989 there were available at bookstores some books on the subject
and a magazine: Input MSX, that made me to dream about developing a cartridge
MSX game, and well... it took me only 24 years to realise it.
Colecovision with a Zombie Near cartridge inserted
Related links
Last modified: Nov/02/2024
