[music-dsp] digital circuit bending (was: DSP vs analog circuits)
James Chandler Jr
jchandjr at bellsouth.net
Fri Oct 12 00:08:24 EDT 2001
> Some microprocessors had/have a HCF instruction.
> The mnemonic is for Halt Catch Fire
The old Commodore Pet (quasi-ancestor of the Commodore 64) had a
The problem wasn't in the 6502 though.
IIRC, the memory locations for controlling the scan rate of the integrated
video monitor were in RAM rather than ROM or other non-volatile hardware. If
a program bug accidentally over-wrote the values of the video control
addresses, it would burn out the monitor and ruin the machine quite nicely,
make lots of smoke (G).
James Chandler Jr.
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