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59 lines
No EOL
2.3 KiB
Text
59 lines
No EOL
2.3 KiB
Text
1. Dumping
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A HIT file is dumped by running this command:
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$ hitdump -o example.txt example.hit
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This will disassemble example.hit into example.txt using MakeTrax syntax.
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* Instructions, arguments, registers, and globals are rewritten using the mnemonics in
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example.hsm.
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* The disassembly is split into BINARY[] sections and logical addresses are defined names
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using the data provided by example.hsm, example.hot, example.evt, and the HIT symbol table.
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All user-created constants in example.hsm that begin with "tkd_" are interpreted by
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hitutils as track data.
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2. Reassembling
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A source file is assembled into an intermediate object by running this command:
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$ hitasm -o example.o example.txt
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This will assemble example.txt into example.o according to MakeTrax syntax.
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* Instructions, arguments, and registers are interpreted using the mnemonics in example.hsm.
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* The logical addresses defined in example.hsm are ignored.
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3. Relinking into the game
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Object files are relinked into the game by running this command:
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$ hitld -o example.hit example1.o example2.o ...
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This will link example1.o, example2.o, and so on into example.hit and reconstruct the
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relocation tables in example.hot and example.hsm.
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To clarify, the user cannot change the events signaled by objects without changing the
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SimAntics of each of those objects. The HIT subroutines invoked by those events, however, can
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be changed or swapped out quite easily.
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Appendix A. Address labeling strategies
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In TSO, the HIT symbol table lists the logical address of each exported function, along with
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the Track File ID associated with it.
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In TSO, the EVT file lists the name of each exported function, along with the Track File ID
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associated with it.
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* The HIT file can be used to locate each exported function for placement in BINARY[] sections.
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* In the case of tsov2.hit, the HIT and EVT files can be used together to name these exported
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functions, seeing that the HSM file is not provided.
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The HOT file lists all addresses that were labelled, along with the Track File ID associated
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with it, in the TrackData section. Because the HIT symbol table is not included in The Sims 1,
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the TrackData section can be used instead.
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The HSM file lists the name of each labelled address, along with its logical address in the
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HIT file. (This is done with a Ctrl+F for "tkd_"). |