bradford-hamilton-apple-1/README.md

After building [chippy](https://github.com/bradford-hamilton/chippy), I wanted finding something a little more challenging. I really enjoyed it so I'm going to give an Apple 1 computer a shot.

Current references:
- [6502 instruction set](https://www.masswerk.at/6502/6502_instruction_set.html)
- [6502 memory test](http://www.willegal.net/appleii/6502mem.htm)
- [6502 instructions description with undocumented commands](http://www.zimmers.net/anonftp/pub/cbm/documents/chipdata/64doc)
- [a rust implementation](https://github.com/alexander-akhmetov/mos6502)
- [MOS hardware manual](http://bytecollector.com/archive/misc/6500-10A_MCS6500hwMan_Jan76.pdf)
- [6502 registers](http://www.obelisk.me.uk/6502/registers.html)
readme: update references I’m using to figure this thing out 2020-05-27 20:37:23 +00:00			`After building [chippy](https://github.com/bradford-hamilton/chippy), I wanted finding something a little more challenging. I really enjoyed it so I'm going to give an Apple 1 computer a shot.`

			`Current references:`
			`- [6502 instruction set](https://www.masswerk.at/6502/6502_instruction_set.html)`
			`- [6502 memory test](http://www.willegal.net/appleii/6502mem.htm)`
			`- [6502 instructions description with undocumented commands](http://www.zimmers.net/anonftp/pub/cbm/documents/chipdata/64doc)`
internal/{cpu,vm}: add memory to the vm, and refactor cpu/vm/memory code 2020-05-28 03:19:43 +00:00			`- [a rust implementation](https://github.com/alexander-akhmetov/mos6502)`
internal/cpu: add cpu status register flags 2020-05-28 04:08:30 +00:00			`- [MOS hardware manual](http://bytecollector.com/archive/misc/6500-10A_MCS6500hwMan_Jan76.pdf)`
			`- [6502 registers](http://www.obelisk.me.uk/6502/registers.html)`