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Use Archive.org Snapshots for Dead Links in README #3

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Use Archive.org Snapshots for Dead Links in README #3

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Use web.archive.org links for 6502 reference dead link and Nerdy Nigh…
joseph-bayer Apr 5, 2022
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add missing parenthesis
joseph-bayer Apr 5, 2022
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4 changes: 2 additions & 2 deletions README.md
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Expand Up @@ -15,7 +15,7 @@ Programming with assembly languge can be quite time intensive. It takes many li

### 6502 Assembly has 56 documented commands
Having to learn the 56 Assembly language commands isn't too bad.
[Here's a link to my favorite 6502 reference](http://www.obelisk.me.uk/6502/reference.html)
[Here's a link to my favorite 6502 reference](https://web.archive.org/web/20210803072316/http://www.obelisk.me.uk/6502/reference.html)
From what I can tell, there are 4 categories of commands
* Move data commands (LDA, STA, LDX, TAX)
* Status flag setting commands (CPA, BIT, SEC)
Expand All @@ -41,7 +41,7 @@ I've included a copy of the CA65 Assembler in the project in cc65/bin. There is
[Mesen NES emulator Download](https://www.mesen.ca/)
[CC65 6502 Compiler Download](https://www.cc65.org/index.php#Download)

The most popular NES tutorial is probably the [Nerdy Nights tutorial](http://nintendoage.com/forum/messageview.cfm?catid=22&threadid=7155) on [Nintendo Age](http://nintendoage.com). In that tutorial they use an assembler called NESASM3, which is a simpler assembler, but I found somewhat limiting. CA65 offers a larger selection of control commands, better macros, and segments, which can be difficult to understand at first but make life a lot easier once you get to know it. I found Nerdy Nights to be a great introduction into NES Game Development, but it didn't feel it gave me a good handle on how to organize my code once my projects got a little larger.
The most popular NES tutorial is probably the [Nerdy Nights tutorial](https://web.archive.org/web/20191023105653/http://nintendoage.com/forum/messageview.cfm?catid=22&threadid=7155) on [Nintendo Age](https://web.archive.org/web/20191029040408/http://nintendoage.com/). In that tutorial they use an assembler called NESASM3, which is a simpler assembler, but I found somewhat limiting. CA65 offers a larger selection of control commands, better macros, and segments, which can be difficult to understand at first but make life a lot easier once you get to know it. I found Nerdy Nights to be a great introduction into NES Game Development, but it didn't feel it gave me a good handle on how to organize my code once my projects got a little larger.

#### CA65 Control Commands
[CA65 Control commands](https://www.cc65.org/doc/ca65.html#toc11) are commands specific to the CA65 assembler. They typically begin with a '.' such as .res or .macro. They can be very useful and make organizing your code a lot easier.
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