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Added instructions for the CPU tests and a missing file

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Will Angenent 2018-05-28 14:00:01 +01:00
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README.md
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@ -55,6 +55,22 @@ The tests use DOS and Prodos disk images. Download them from
The CPU tests make use of [Klaus2m5's](https://github.com/Klaus2m5/6502_65C02_functional_tests)
excellent 6502 functional tests.
### Creating the CPU test ROMs
The source files are `6502_functional_test.a65` and `6502_interrupt_test.a65`. They are assembled using `as65` into a binary file which contains a memory image of the test code. They are compressed into gzip files which are loaded into the apple memory by the unit tests.
Download [as65](http://www.kingswood-consulting.co.uk/assemblers/as65_142.zip) and unzip it to get the `as65` assembler binary.
Assemble the tests
cd cpu
as65 -l -m -w -h0 6502_functional_test.a65
gzip 6502_functional_test.bin
as65 -l -m -w -h0 6502_interrupt_test.a65
gzip 6502_interrupt_test.bin
## Known working disk images
* DOS 3.3
* Prodos 1.9

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cpu/6502_functional_test.lst Normal file
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