Apple II Machine Language Monitor: Difference between revisions
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''This article concerns the memory manipulation program in ROM of the [[Apple II]] family, not display devices.'' | ''This article concerns the memory manipulation program in ROM of the [[Apple II]] family, not display devices.'' | ||
The [[Apple II ROMs|Apple II's ROM]] contains a very simple program for the display, modification and execution of memory addresses. Notably, the original Apple II starts up directly to the monitor, while later Apples would boot into [[Applesoft BASIC]]. | The [[Apple II ROMs|Apple II's ROM]] contains a very simple program for the display, modification and execution of memory addresses. Notably, the original Apple II starts up directly to the monitor, while later Apples would boot into [[Applesoft BASIC]]. All later models have an Autostart ROM, and start up into Applesoft BASIC. An Autostart option is available with some expansions to the original Apple II and can start up into either Integer BASIC or Applesoft BASIC. | ||
Either way, if you're in BASIC, you access the monitor by running | |||
<pre> | |||
] CALL -151 | |||
</pre> | |||
{{Nav Apple}} | {{Nav Apple}} | ||
Revision as of 20:46, 19 May 2007
This article concerns the memory manipulation program in ROM of the Apple II family, not display devices.
The Apple II's ROM contains a very simple program for the display, modification and execution of memory addresses. Notably, the original Apple II starts up directly to the monitor, while later Apples would boot into Applesoft BASIC. All later models have an Autostart ROM, and start up into Applesoft BASIC. An Autostart option is available with some expansions to the original Apple II and can start up into either Integer BASIC or Applesoft BASIC.
Either way, if you're in BASIC, you access the monitor by running
] CALL -151
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| Apple computers - Apple I • Apple II • Apple II+ • Apple IIe • Apple IIc • Apple IIGS
Apple computer software - Applesoft BASIC • Integer BASIC • Apple DOS • ProDOS • Apple II Machine Language Monitor • Apple II ROMs Apple computer accessories - DuoDisk • Disk II Apple computer related - MOS 6502 |
