mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-04-13 12:22:33 -05:00
ff82f64cb6
Final batch: scummvm (55 files, MT-32/engine data/themes/shaders), gearcoleco (colecovision.rom), geargrafx (4 syscard variants), gearlynx (lynxboot.img), dosbox_core (MT-32 + BASS libs), geolith (Neo Geo FPGA, aes.zip/neogeo.zip), retrodream (DC boot+flash), noods (NDS, full HLE), freej2me (JAR), jollycv (coleco+creativision), fixgb (gbc_bios), numero (TI-83), smsplus (SMS/GG/CV), vircon32 95 profiles covering every libretro core with firmware requirements. Cross-reference: 803 undeclared files, 249 in repo, 554 to source.
82 lines
3.1 KiB
YAML
82 lines
3.1 KiB
YAML
emulator: SMS Plus GX
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type: libretro
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source: "https://github.com/libretro/smsplus-gx"
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cores:
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- smsplus
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systems:
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- sega-master-system
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- sega-game-gear
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- colecovision
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- sega-sg1000
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notes: |
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SMS Plus GX is a Sega Master System / Game Gear emulator with additional
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support for ColecoVision, SG-1000 and Sord M5 via TMS9918 VDP emulation.
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BIOS loading happens in bios_init() (smsplus_libretro.c:203-252).
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Two BIOS files are supported:
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1. bios.sms -- Sega Master System boot ROM. Optional. Loaded for all
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console types. A core option "smsplus_sms_bios" (default: disabled)
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controls whether it is used. When set to "auto" and the file exists,
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bios.enabled is set and the SMS boot sequence plays before games.
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2. BIOS.col -- ColecoVision BIOS. Required for ColecoVision ROMs only.
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Loaded into coleco.rom (0x2000 bytes = 8 KB). Without it, ColecoVision
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games will not start and the core logs an error. The filename is
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case-sensitive (uppercase BIOS, lowercase .col).
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Both files are read from the system directory root (no subdirectory).
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Path is built as: system_dir + "/" + filename (smsplus_libretro.c:211,234).
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Console type is auto-detected from ROM file extension:
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.col -> CONSOLE_COLECO
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.sg -> CONSOLE_SG1000
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Or forced via the "smsplus_hardware" core option.
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files:
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- name: "bios.sms"
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system: sega-master-system
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description: "Sega Master System boot ROM"
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required: false
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source_ref: "smsplus_libretro.c:211-229"
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notes: |
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Loaded into bios.rom (up to 1 MB allocated). Only active when the
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core option smsplus_sms_bios is set to "auto". Displays the Sega
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Master System startup screen before game execution.
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- name: "BIOS.col"
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system: colecovision
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description: "ColecoVision BIOS ROM"
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required: true
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size: 8192
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source_ref: "smsplus_libretro.c:232-248"
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notes: |
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Required for ColecoVision games. Read as 0x2000 (8192) raw bytes
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into coleco.rom. Without this file, retro_load_game() returns false
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when loading .col files. Filename is case-sensitive on Linux.
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platform_details:
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bios_mapping:
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sms:
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target: "bios.rom buffer, mapped via slot system"
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source_ref: "smsplus_libretro.c:208-229, source/memz80.c"
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notes: |
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When bios.enabled has both bits set (file present + option enabled),
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the BIOS ROM is paged into the Z80 address space at startup. The
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BIOS executes the boot animation, then hands off to the cartridge.
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coleco:
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target: "coleco.rom, mapped at 0x0000-0x1FFF"
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source_ref: "smsplus_libretro.c:245, source/memz80.c"
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notes: |
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The ColecoVision BIOS provides the interrupt handler, I/O routines
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and startup code. Mapped into the first 8 KB of Z80 address space.
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console_detection:
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source_ref: "smsplus_libretro.c:605-609, source/loadrom.c:402"
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notes: |
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File extension .col forces CONSOLE_COLECO with MAPPER_NONE.
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Extension .sg forces CONSOLE_SG1000.
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The core option smsplus_hardware can override to: master system,
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master system II, game gear, game gear (sms compatibility), coleco.
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