mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-28 10:59:16 -04:00
Matthew Stanley
31 lines
1.1 KiB
Python
31 lines
1.1 KiB
Python
import re
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text = open('generated/SCPH1001_full.c').read()
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def norm(addr):
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phys = addr & 0x1FFFFFFF
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if 0x1FC10000 <= phys <= 0x1FC17FFF:
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phys = phys - 0x1FC10000 + 0x500
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if 0x30000 <= phys <= 0x5AFFF:
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phys = phys - 0x30000 + 0x1FC18000
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return phys
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for m in re.finditer(r'psx_dispatch\(cpu,\s*0x([0-9A-Fa-f]+)u?\);', text):
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addr = int(m.group(1), 16)
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if norm(addr) == 0x1005A910:
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idx = m.start()
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# find function this call is in by walking back to prev `void func_`
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prev = text.rfind('void func_', 0, idx)
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line_start = text.rfind('\n', 0, idx) + 1
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line = text[line_start:text.find('\n', idx)]
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# find label above
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lbl_idx = text.rfind('label_BFC', 0, idx)
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lbl = text[lbl_idx:text.find(':', lbl_idx)+1] if lbl_idx > 0 else ''
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print(f"addr=0x{addr:08X} norm=0x{norm(addr):08X}")
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print(f"call line: {line}")
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print(f"nearest label: {lbl}")
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# print 8 lines before the call
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ctx_start = text.rfind('\n', 0, idx - 400) + 1
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ctx = text[ctx_start:text.find('\n', idx)]
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print("context:")
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print(ctx)
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break
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