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4554eaf2ae
- added cycle and byte count comments - additionally added status flag clobbering comments - wrote beginning of final documentation form in markdown for disk 1: REQUIRED - consolidated macros and subroutines on disk 1 - created alias macros for 65C02, 8080, and Z80 architectures - entirely rewrote and expanded documentation for disk 1 - rewrote disk 1 demo file to use fewer bytes by using comments instead of _PRN statements - implemented a software architeture that will span across all libraries in the collection - added .ASM extension to text sources to help with file attribution on contemporary systems - slightly modified the naming convention for EXEC files - fixed minor errors
28 lines
1.6 KiB
Markdown
28 lines
1.6 KiB
Markdown
## Preface
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This is the first complete reference manual for the _AppleIIAsm_ macro and subroutine library collection. Currently, this collection is in the alpha stages of development: not all disks are complete, there may be some bugs here and there, and major workflow decisions might still be in flux. However, this version, 0.7.0, represents a major step forward in functionality, optimization and standardization, and at least for what is complete---the first eleven disks, the technical manual, AppleChop introduction as well as some demos---the collection can be reasonably considered to be stable. That does not, of course, mean that there are any guarantees.
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I started this project as research into how the Apple II works as a platform for another book I am writing, and eventually became interested in the cohesive technical documentation (or sometimes lack thereof) that was available to beginning coders in the heyday of the Apple II as well as those looking to learn Apple II (6502) Assembly today. Having no prior experience with Assembly language, I began coding these libraries as part of my own learning process while trying to write subroutines that provided much of the functionality afforded by Applesoft BASIC. Eventually, this became a beast of its own, and what you’re reading here is (part) of the result.
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As the libraries grow and morph, so will this document. If nothing else, I hope that the collection and its accompanying documentation helps hobbyists, researchers, and otherwise self-hating hopeless nerds learn and accomplish what they want or need---at least as much as it has helped, and harmed, me.
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Nathan Riggs
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