A downloadable game

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Space Invaders for ZX81
WRX (High Resolution) + Chroma81

Require rampack 32K or zxpand

Support zxpand joystick or keyboard o,p,shift (or a)

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Version 1.0

- Initial Version

Version 1.1

- Game syncronized at 50hz

- Fix saucer/UFO speed

- Fix player shot speed

- Fix alien shot speed normal, and when less of 9 aliens (bit faster)

- Smooth alien shot animation

- Add sounds BeepFX based for "BEEPER" Sound (original BeepFX player by Shiru http://shiru.untergrund.net)

- Add AY Sounds (Fuller Box, Sinclair 128k)

- AY Sounds from and made with AYFXEdit (https://zx.remysharp.com/audio/)

- Autodetect Sound (Beeper, FullerBox, Sinclair 128k)

- If only 1 alien left, move a bit faster from left to right, as original

- Fix no delete right arrow in configure menu when players control reach the limit

Version 1.2

- Add ZX81 Version (require zxpand or rampack 32k)

- Now aliens move one at a time

- Fix aliens score

- [ZX81] wrx support

- [ZX81] chroma-81

- [ZX81] zxpand joystick support

Version 1.3

- Fix gameplay 2 players

- Re-code lot of functions to ASM

- General better speed

- [ZX81] AY-Sound + Full Chroma-81 Support

- [ZX81] Full version, look as ZX-Spectrum version

- Fix other minors bugs

Version 1.3+

- Reduce alien step sound volume to 50%

Version 1.4

- TS2068/TC2068 Support

- Sprite rutines optimization

- Fix sound detection


Source Code: https://github.com/SplinterGU/SInvaders


Download

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Click download now to get access to the following files:

[ZX81] space-invaders_v1.4 [Full Chroma][WRX][Zon-X].zip 10 kB
[ZX81] space-invaders_v1.4 [Partial Chroma][WRX][Zon-X].zip 9 kB

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