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hardware:memorymap

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hardware:memorymap [2025/03/01 19:00] – [Versatile Interface Adapter] clydehardware:memorymap [2025/03/12 17:19] (current) – [System Control Registers] clyde
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 ===== General Purpose RAM ===== ===== General Purpose RAM =====
  
-The lowest 8,196 addresses provide general-purpose data storage. Data stored in this range will only be read and written by the main processor, without side effects. +The lowest 8,192 addresses provide general-purpose data storage. Data stored in this range will only be read and written by the main processor, without side effects. 
  
 Of special note within this section are the ranges $0000-$00FF, and $0100-$01FF, called the Zero Page and the Stack respectively. Addresses in the Zero Page can be accessed more quickly by special opcodes, and addresses in the stack are used by certain operations such as calling and returning from subroutines. Of special note within this section are the ranges $0000-$00FF, and $0100-$01FF, called the Zero Page and the Stack respectively. Addresses in the Zero Page can be accessed more quickly by special opcodes, and addresses in the stack are used by certain operations such as calling and returning from subroutines.
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 | $2005 | Banking Register                         | | $2005 | Banking Register                         |
 | $2007 | Video/Blitter Flags                      | | $2007 | Video/Blitter Flags                      |
-| $2008 | Gamepad 1 (Left port)                    | 
-| $2009 | Gamepad 2 (Right port)                   | 
- 
  
 ==== Audio Coprocessor === ==== Audio Coprocessor ===
hardware/memorymap.1740855644.txt.gz · Last modified: 2025/03/01 19:00 by clyde