[CQ-Contest] Doctor DX clone (if you never used it, you just don't "get it")

[Martin, LU5DX]

Why 6502 Assembly? It could have been be C or even Pascal. There were such
compilers for that architecture.

73,

Martín LU5DX




El jue., 1 oct. 2020 1:57 p. m., Tim Shoppa <tshoppa at gmail.com> escribió:

> N4ZR asks:
> > Does anyone know the identity of the programmer?? Seems that if source
> > code were available it should be possible to recompile for Windows
> > without too much difficulty.
>
> A little like suggesting building a Stradivarius is as simple as finding
> Mr. Stradivarius' CAD drawings and running it through a 3-D printer.
>
> Pete, this is a Commodore 64 and the source code is certainly 6502 Assembly
> directly bit-banging on the C64-specific peripherals.
>
> The fact that Dr DX achieved so much using stone knives and bear skins as
> the base technology makes it a more impressive marvel than a Stradivarius
> :-)
>
> Rich's original post where he mentions the possibility of a C64 emulator
> seems very promising. The paddle/keying would have to be a custom I/O mod
> to the C64 emulator but many are modular enough to add simple peripherals
> like this.
>
> C64's are quite commonly available used and the ROM dump Rich identified
> may allow a new cartridge to be burned. Presumably the paddle/keying is
> done the simplest way possible.
>
> Tim N3QE
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