Apple II assembly language
by Marvin L. De Jong · first published 1982
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I needed to write screen addressing routines in assembler for the Apple II in 1983. I went to my local bookshop in Sheffield and bought "Apple II Assembly Language by Marvin L. De Jong". This was for my undergrad project and I pretty much have a degree because of that awesome book.
on “Programming in 1987 versus Today” ↗…The operating system was a direct clone. Most of my software was cloned and that's were I learned how to program 6502 machine language to interface with hardware. [0] Reference [0] Marvin L. De Jong, "Apple II Assembly Language" https://www.amazon.com/Marvin-L.De-Jong/e/B001H6SRHE/ref=dp_...
on “Clones of the Apple II” ↗…with. Hooked ever since. Heres some photos of it ~ http://flickr.com/photos/bootload/tags/sinclair - ZX-80->81 | 30 programs for the Sinclair ZX80 1K | Basic | weird Sinclair OS - Apple][e clone | Apple II Assembly Language | Apple Basic, Basic, Assembly | AppleDos, CPM - IBM clone 8086 | Data Structures using Pascal | Pascal | Dos - HP11 calc. - IBM clone 486 | C Programming for PC, Learning Perl | C, Perl, Delphi,…
on “Ask YC: What was your first computer?” ↗