CapriceRPI
CapriceRPI emulates Amstrad CPC. It reads 1 file, none of them required: it starts games without them.
About this profile
Technical notes
Raspberry Pi port by KaosOverride of Ulrich Doewich's Caprice32 4.1.0, the SDL 1.2 code base, not the later ColinPitrat line the libretro core follows. RetroPie builds src/ with RELEASE=TRUE and launches capriceRPI %ROM% with no other option.
The CPC 464, 664 and 6128 firmware and AMSDOS are compiled in from
src/roms/*.h (bin2c output). setup_builtin_roms copies the model's 32 KB
image into the lower ROM (src/roms/builtin_roms.h:9-27), and the
fopen of cpc464.rom, cpc664.rom and cpc6128.rom that Caprice32 had is
commented out in emulator_patch_ROM (src/cap32.cpp:2805-2822) and in the
model switch (src/cap32.cpp:1474-1479). AMSDOS is copied into slot 7 from
amsdos_rom for the 664 and 6128, or for a 464 when a disk forces it
(src/cap32.cpp:2973-2979). The embedded images hash to md5
a993f85b88ac4350cf4d41554e87fe4f (464), 5a384a2310f472c7857888371c00ed66
(664), b96280dc6c95a48857b4b8eb931533ae (6128) and
25629dfe870d097469c217b95fdc1c95 (AMSDOS).
cap32.cfg is never read. getConfigValueInt and getConfigValueString have
their file parsing commented out and return the default
(src/cap32.cpp:4060-4122), so expansion slots 2 to 15, the Multiface II
ROM and every path keep their built-in defaults. The ROM path is
<cwd>/rom (src/cap32.cpp:4342-4344), chAppPath being getcwd() despite
the comment (src/cap32.cpp:4799).
The only external ROM is ParaDOS. The --parados option, with an optional
drive layout 1 to 4, names parados.rom in slot 7 (src/cap32.cpp:2982-2984,
4751-4757). The loader reads 16 KB and keeps it when the first byte is
0x01 or 0x02, retrying past a 128-byte header, and otherwise clears the
slot and carries on (src/cap32.cpp:2986-3016). With a drive layout the
last two bytes of the image are rewritten as ParaDOS's configuration
byte and checksum (src/cap32.cpp:3021-3052).
Disks, tapes and snapshots are user content. printer.dat and screen.png
are written beside the working directory (src/cap32.cpp:4329-4340).
1 file: 0 required, 1 optional.
In this collection: 0 in repo and 1 missing.
Optional
Section titled “Optional”parados.rom optional missing
ParaDOS disc ROM, loaded into expansion slot 7 with --parados
- Path:
rom/parados.rom - System: Amstrad CPC
- Size: 16.0 KB
- Source:
src/cap32.cpp:2982-3016,src/cap32.cpp:4342-4344,src/cap32.cpp:4751-4757
- Read from the rom directory under the working directory, only when --parados is given. RetroPie's launch line does not pass it. A missing or invalid file leaves AMSDOS in slot 7.
Next steps
Section titled “Next steps”- Get your files, for the setup you play on
- Every system, and the files each one needs
- When a game does not start