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code_snippets [2016/06/01 15:15] ex_writer |
code_snippets [2016/06/05 16:11] (current) ex_writer [Arcade Examples] |
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| This section uses code snippets from existing Bally Arcade games and demos to demonstrate important and/or commonly-used functions. Snippets are typically followed by a short discussion of how and why the listing works as it does. | This section uses code snippets from existing Bally Arcade games and demos to demonstrate important and/or commonly-used functions. Snippets are typically followed by a short discussion of how and why the listing works as it does. | ||
| - | * The [[bunker|Space Invaders bunker]] snippet demonstrates how to write a pattern to the screen with [[screen handler#writp|WRITP]]. | + | * The [[bunker|Space Invaders bunker]] snippet demonstrates how to write a pattern to the screen with [[system routines:screen handler#writp|WRITP]]. |
| - | * The [[base|Space Invaders base]] snippet demonstrates how to write a pattern to the screen with [[screen handler#writ|WRIT]]. | + | * The [[base|Space Invaders base]] snippet demonstrates how to write a pattern to the screen with [[system routines:screen handler#writ|WRIT]]. |
| - | * The [[invader music|Space Invaders sound effect]] snippet demonstrates how to play sound using [[interrupt scheduler#bmusic|BMUSIC]]. | + | * The [[invader music|Space Invaders sound effect]] snippet demonstrates how to play sound using [[system routines:interrupt scheduler#bmusic|BMUSIC]]. |
| - | * The [[star expander|Star Battle expanded pattern]] snippet demonstrates [...] | + | * The [[star expander|Star Battle expanded pattern]] snippet demonstrates how to use the Magic System's Expander option to write patterns. |
| ===== Z80 Examples ===== | ===== Z80 Examples ===== | ||
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| * [[Packed BCD subtraction]] demonstrates subtracting BCD numbers of varying length. | * [[Packed BCD subtraction]] demonstrates subtracting BCD numbers of varying length. | ||
| + | * [[Packed BCD addition]] demonstrates adding BCD numbers of varying length. | ||
