Subject: [stella] Stella Memory Map From: R Mundschau <rmundsc@xxxxxxxxx> Date: Thu, 20 Feb 2003 22:02:32 -0600 |
Hi, I put together this memory map from the schematics on the Atari Age website. I thought I would share it in case someone else could use it to better understand the system. If anybody finds an error, let me know. Regards, Rob M Atari 2600 Memory Map: ---------------------- $0000-002F TIA Primary Image $0030-005F [shadow] TIA $0060-007F [shadow-partial] TIA $0080-00FF 128 bytes of RAM Primary Image (zero page image) $0100-002F [shadow] TIA $0130-005F [shadow] TIA $0160-017F [shadow-partial] TIA $0180-01FF [shadow] 128 bytes of RAM (CPU stack image) $0200-022F [shadow] TIA $0230-025F [shadow] TIA $0260-027F [shadow-partial] TIA $0280-029F 6532-PIA I/O ports and timer Primary image $02A0-02BF [shadow] 6532-PIA $02C0-02DF [shadow] 6532-PIA $02D0-02FF [shadow] 6532-PIA $0300-032F [shadow] TIA $0330-035F [shadow] TIA $0360-037F [shadow-partial] TIA $0380-039F [shadow] 6532-PIA $03A0-03BF [shadow] 6532-PIA $03C0-03DF [shadow] 6532-PIA $03E0-03FF [shadow] 6532-PIA $0400-07FF [shadow] Repeat the pattern from $0000-03FF $0800-0BFF [shadow] Repeat the pattern from $0000-03FF $0C00-0FFF [shadow] Repeat the pattern from $0000-03FF $1000-17FF Lower 2K Cartridge ROM (4K carts start here) $1800-1FFF Upper 2K Cartridge ROM (2K carts go here) $2000-FFFF Repeat the pattern from $0000-1FFF, 15 times. ---------------------------------------------------------------------------------------------- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://www.biglist.com/lists/stella/
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