Technical Specifications
- CPU: 8/16-bit Zilog Z80A at 4 MHz
- Asic: Support for sprites, soft scrolling, programmable interrupts, DMA Sound
Resolution
- Mode 0: 160x200 pixels with 16 colours
- Mode 1: 320x200 pixels with 4 colours
- Mode 2: 640x200 pixels with 2 colours
Colour
- Depth: 12-bit RGB
- Colours available: 4096
- Maximum colours onscreen: 32 (16 for background, 15 for sprites, 1 for border)
Maximum onscreen colour counts can be increased in all Modes through the use of interrupts.
Sprites
- Number: 16 high resolution sprites per line
- Sizes: 16x16 (each sprite can be magnified 2x or 4x in X and Y)
- Colours: Each sprite can use up to 15 colours
Memory
- RAM: 64 kB
- VRam: 16 kB
- ROM: 32 kB
Audio
- 3-channel stereo; AY-3-8912 chip
- DMA
IO
Audio output, 2x Digital controller connectors, Analog controller port (IBM standard), Lightgun connector (RJ11), Audio and RGB Video output (8-pin DIN), Power supply socket from external PSU, Power supply socket from monitor.
Read more about this topic: Amstrad GX4000
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