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# Commodore 128 specific information for cc65

## Ullrich von Bassewitz, uz@cc65.org

2003-12-14

An overview over the C128 runtime system as it is implemented for the cc65 C compiler.

## 1. Overview

## 2. Binary format

## 3. Memory layout

## 4. Platform specific header files

- 4.1 C128 specific functions
- 4.2 CBM specific functions
- 4.3 Hardware access

## 5. Loadable drivers

- 5.1 Graphics drivers
- 5.2 Extended memory drivers
- 5.3 Joystick drivers
- 5.4 Mouse drivers
- 5.5 RS232 device drivers

## 6. Limitations

## 7. Other hints

- 7.1 Passing arguments to the program
- 7.2 Program return code
- 7.3 Interrupts

## 8. Bugs/Feedback

## 9. License

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