Files
rmonc79 75d12e0f66 Initial commit: BloodBros MiSTer core v1.0
Blood Bros (TAD Corporation, 1990) — FPGA core for the MiSTer FPGA
platform (Terasic DE10-Nano). Shooting gallery game (Cabal-style)
running on Seibu hardware (D-Con board family).

Hardware emulated:
- M68000 main CPU @ 10 MHz (FX68K cycle-accurate)
- Z80 sound CPU @ 3.579545 MHz (T80s) with audio-rate multicycle SDC
- YM3812 OPL2 FM (jtopl2) + OKI M6295 ADPCM (jt6295)
- 256x224 active video area
- BG / FG tilemaps + Text layer + 16x16 sprites (SEI0210, 512 entries)
- Seibu CRTC registers (scroll, layer enable, flip screen)
- xBGR_555 palette, 2048 entries

Includes:
- 16 SystemVerilog RTL files in rtl/BloodBros/
- FX68K core (rtl/fx68k/), audio cores (rtl/sound/jtopl, jt6295, t80)
- JTFRAME framework subset (rtl/jtframe/), Sorgelig SDRAM bridge
- MiSTer sys/ framework (HPS_IO, OSD, video scaler, audio)
- Pause overlay with logo, supporters list and patron scroll
- Quartus project files (BloodBros.qpf/qsf/sdc)
- Prebuilt RBF (releases/BloodBros_20260530.rbf) + parent MRA
- 4 regional clone MRAs in releases/alternatives/ (Japan rev A,
  Japan, US, Korea)
- 6 in-game screenshots in docs/

Licensed under GNU GPL v3 or later. ROMs not included.
2026-05-30 17:18:45 +02:00
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