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c64eng.doc
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1993-02-28
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The program 'C64.EXE' is an emulator for the well known home computer by
Commodore.
A few remarks pertaining to the program:
- Runs only on PCs/ATs with Hercules card
- The keyboard is original C64, thus [Shift-Right] in order to go left, [#]
for the equal sign, [Y] and [Z] reversed and so on.
- One can terminate the part with 'SYS 1' [Enter]. The same happens with an
undefined Opcode
- [Ctrl-Alt-Del] causes a reset. [Num] stands for [Run/Stop] and [Scroll] for
[Restore]. A Restore is therefore induced with [Num-Scroll]
- A Floppy VC1541 is emulated, which contains a Machine Language Monitor (from
the Chip). It is loaded with 'LOAD "MONITOR" ,8,1' and called up with
'SYS 49152'. Own programs can be stored. Forbidden are both formatting
commands.
- Storage location (Bank Switching) 1 is emulated (try 'Poke 1, 0')
- With the CIA at address DC00 (IRQ) Timer 1 is partially emulated.
- With the VIC different Character sets (not Multicolor) and background
colours ( Poke 53281,x) are functional. The key combination [Shift-CBM]
( here Shift-Alt ) works also.
That's all. My suggestion: Smuggle the thing into the 'AUTOEXEC.BAT' of an
unpopular colleague...