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Reorganized 6 branches into bios/Manufacturer/Console/. Scrapers for RetroArch, Batocera, Recalbox, and libretro core-info. Platform-aware verification replicating native logic per platform. Pack generation with dedup, alias resolution, variant support. CI/CD: weekly auto-scrape, auto-release, PR validation. Large files (>50MB) stored as GitHub Release assets, auto-fetched at build time.
75 lines
2.0 KiB
Plaintext
75 lines
2.0 KiB
Plaintext
;
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; ROM patches file
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;
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; This file describes how to patch a ROM for things like turbotape,
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; and filename decoding.
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;
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; ****** ROM INFORMATION ******
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; This part isn't actual patches, just information about
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; the hardware the ROM expects to be present.
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; ROM expects a special keyboard layout?
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keymap = azerty
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; ****** FILENAME DECODING *******
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; When the PC is about to execute this address, we should be at a point
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; in CLOAD/CSAVE/STORE/RECALL where the filename is valid in memory.
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fd_cload_getname_pc = $e4ac
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fd_csave_getname_pc = $e92c
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fd_store_getname_pc = $e98b
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fd_recall_getname_pc = $e9d8
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; The address to read the CLOAD filename
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fd_getname_addr = $027f
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; ****** TURBOTAPE ******
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; Address of the "Cassette Sync" function in ROM
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tt_getsync_pc = $e735
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; Address of the RTS at the end of the cassette sync function (so we can
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; skip the function)
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tt_getsync_end_pc = $e759
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; If turbotape is enabled, but no tape is inserted, the cassette sync
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; function will be executed normally. Here we have an address inside the
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; loop that waits for the cassette sync signal, so that we can break out
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; of it if a tape is inserted.
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tt_getsync_loop_pc = $e720
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; Address of the "Read Byte" function in ROM
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tt_readbyte_pc = $e6c9
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; Address of the RTS at the end of the read byte function
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tt_readbyte_end_pc = $e6fb
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; Set carry at end of readbyte routine?
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tt_readbyte_setcarry = yes
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; In order to simulate the effects of the read byte routine, you can
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; specify an address to write the byte read, and an address to write
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; zero to.
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tt_readbyte_storebyte_addr = $002f
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tt_readbyte_storezero_addr = $02b1
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; Address of the "put byte" function in ROM
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tt_putbyte_pc = $e65e
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; Address of the RTS at the end of the put byte function
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tt_putbyte_end_pc = $e68a
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; Address of the RTS at the end of CSAVE
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tt_csave_end_pc = $e93c
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; Address of the RTS at the end of STORE
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tt_store_end_pc = $e9d0
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; Address of the function that writes the tape leader
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; (so we can write a shorter one)
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tt_writeleader_pc = $e75a
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tt_writeleader_end_pc = $e769
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