Editing Atari 2600
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*PIA 6532 - (128 bytes RAM, I/O Ports, Timer) | *PIA 6532 - (128 bytes RAM, I/O Ports, Timer) | ||
− | ===CPU and | + | ===CPU and Memory=== |
*'''CPU''': MOS 6507, 8bit, 1.19MHz (cutdown 6502 with only 8K address space) | *'''CPU''': MOS 6507, 8bit, 1.19MHz (cutdown 6502 with only 8K address space) | ||
*'''RAM''': 128 bytes (additional 128 or 256 bytes in some cartridges) | *'''RAM''': 128 bytes (additional 128 or 256 bytes in some cartridges) | ||
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*'''Sprites''': 2 sprites of 8pix width, 3 sprites of 1pix width | *'''Sprites''': 2 sprites of 8pix width, 3 sprites of 1pix width | ||
− | ===Input/ | + | ===Input/Output Ports, Audio, Timer=== |
*'''I/O''': two 8bit I/O ports, six 1bit input ports | *'''I/O''': two 8bit I/O ports, six 1bit input ports | ||
*'''Timer''': one 8bit timer (with prescaler; 1,8,64,1024 machine cycles) | *'''Timer''': one 8bit timer (with prescaler; 1,8,64,1024 machine cycles) | ||
*'''Audio''': two sound channels (with frequency, volume, noise control) | *'''Audio''': two sound channels (with frequency, volume, noise control) | ||
− | ===Console | + | ===Console Switches=== |
*'''Switches''': color/mono switch (PAL/NTSC only), and two difficulty switches | *'''Switches''': color/mono switch (PAL/NTSC only), and two difficulty switches | ||
*'''Buttons''': select button, reset button (or switches in older consoles) | *'''Buttons''': select button, reset button (or switches in older consoles) |