disassembly of 6803 code

[Orin]

> Where/how do I start to disassemble the code? Would a disassembler be of
> any good?

Yes.

> Here are the specs:
> CPU, MC6803U4CPR running at 4MHz in mode 2 
>   Timer, MC6840CPR mapped at 0x2000-0x2007 
>   AD-converter, MC14442P mapped at 0x4000 & 0x4002 
>   SRAM, 65162 2kb mapped at 0x1800-0x1FFF 
>   EPROM, 27128 16kb mapped at 0xC000-0xFFFF 
>   Injector driver's - 4 x BDX53M driving low-impedance injectors 
>   Misc. driver's - 2 x BDX53M driving the wastegate solenoid and the
> idle control valve 
> 

IDA Pro will do 6803... http://www.datarescue.com/idabase/ida.htm.
Getting expensive these days though.  Send me the bin and I could
run it through my copy if you like - it may help identifying code/data.

Orin.
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