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View Code? Open in Web Editor NEWA Python 2/3 package to write m68k system emulators
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Unable to build and install from source
I'm trying to install bare68k from a local repository using the following commands:
$ python setup.py install
$ python setup.py develop --user
Neither command works. I'm getting the following error:
/usr/bin/clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -pipe -I/opt/local/libexec/openssl11/include -Os -Ibare68k/machine_src -Ibare68k/machine_src/musashi -Ibare68k/machine_src/glue -Ibare68k/machine_src/gen -I/opt/local/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c bare68k/machine.c -o build/temp.macosx-10.13-x86_64-3.6/bare68k/machine.o
clang: error: no such file or directory: 'bare68k/machine.c'
clang: error: no input files
error: command '/usr/bin/clang' failed with exit status 1
I'm running Python 3.6.15 and clang 11 under Mac OS 10.13.
What's wrong?
Breakpoints
Thank you very much for bringing us this amazing library!
I'm trying to create an interactive debugger for exploring legacy 68k code based on bare68k.
While implementing breakpoints based on the built-in tools, I noticed that the code execution always stops at the next instruction AFTER the breakpoint location:
0x21a84 * LINK.W A6, #$0
0x21a88 X MOVE.L A3, -(A7)
0x21a8a MOVEA.L $8(A6), A3
0x21a8e BSET.B #$7, $C2C.W
0x21a94 CLR.L (A3)In the above code, the asterisk indicates the breakpoint location and "X" is the location where the execution actually halts.
I'm using the following code:
tools.set_breakpoint(0, addr, MEM_FC_SUPER_MASK, "BKPT1")
rt.run()
tools.disable_breakpoint(0)
When I set addr to 0x21a84, the execution actually stops at 0x21a88 as confirmed by the following log message:
2020-10-01 12:35:26,535 bare68k.handler: INFO: BREAKPOINT: @00021a84 #0 flags=SD data=BKPT1
PC=00021a88 SR=--S--210-----Z--
D0=00020400 D1=00000001 D2=00000000 D3=00000000
D4=00000000 D5=00000000 D6=00000000 D7=00000000
A0=00020404 A1=000239b2 A2=00000000 A3=00000000
A4=00020000 A5=00000000 A6=00000790 A7=00000790
USP=00000000 ISP=00000790 MSP=00000000 VBR=00000000
I'd like to make my debugger to behave just like GDB - the execution should halt at the specified location before executing the marked instruction.
What do I need to change to make it work?
Thank you in advance!
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