Brian L. Stuart
blstuart at bellsouth.net
Sat Dec 8 10:28:41 CST 2007
> In the case of the HP41 calculator, it was physcially impossible to run
> machine code from the machine's internal RAM. The processor was a pseudo
> harvard architecture, RAM was organised in 56 bit 'registers' connected
> to the SPU DATA line, ROM was in 10 bit words connected to the ISA line.
> Some hackers found a way round this, making ROM emulator boxes (normally
> called MLDL (Machine Language Development Lab) units).
Where does the synthetic programming fit in? I thought it was
a case of creating machine language code in RAM. And I remember
it being based on some ugly tricks, rather than an external device.
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