Feat(): Arbalest and Metafox

cores/arbalest/cfg/files.yaml

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+arbalest:
+  - get: [ "*.v" ]
+cal50:
+  - get:
+    - jtcal50_video.v
+    - jtcal50_colmix.v
+    - jtx1012.v
+kiwi:
+  - get:
+    - jtkiwi_gfx.v
+    - jtkiwi_obj.v
+    - jtkiwi_draw.v
+    - jtkiwi_tilemap.v
+jtframe:
+  - get:
+      - jtframe_ff.v
+      - jtframe_8bit_reg.v
+      - jtframe_edge.v
+  - from: ram
+    get:
+      - jtframe_ram.v
+      - jtframe_dual_ram16.v
+      - jtframe_obj_buffer.v
+      - jtframe_prom.v
+  - from: video
+    get:
+      - jtframe_vtimer.v
+      - jtframe_scroll.yaml
+  - from: cpu
+    get:
+      - jtframe_m68k.yaml
+jt680x:
+  - get:
+    - jt65c02.yaml             # I/O / protection sub-CPU (not sound, unlike cal50)
+jtx1010:                       # X1-010 PCM — driven by the main 68000 here

cores/arbalest/cfg/macros.def

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+CORENAME=JTARBALEST
+JTFRAME_RATE=57.45
+
+JTFRAME_JOY_RLDU
+JTFRAME_BUTTONS=2
+
+# Video
+JTFRAME_COLORW=5
+JTFRAME_PXLCLK=8
+JTFRAME_WIDTH=384
+JTFRAME_HEIGHT=224
+JTFRAME_VERTICAL
+
+# MRA
+# Header byte 0 selects the game (0=metafox, 1=arbalest) for the shared bitstream
+JTFRAME_HEADER=16
+JTFRAME_BA1_START=0xA0000
+PCM_START=0xE0000
+JTFRAME_BA2_START=0x1E0000
+JTFRAME_BA3_START=0x3E0000
+
+# Saves video RAM for debug compilations
+debug JTFRAME_IOCTL_RD+=12288
+debug JTFRAME_IOCTL_RD+=8
+# X1-001 configuration registers
+debug JTFRAME_IOCTL_RD+=4
+debug JTFRAME_IOCTL_RD+=1024
+debug JTFRAME_IOCTL_RD+=1024
+debug JTFRAME_IOCTL_RD+=8192
+
+[mist|sidi]
+# not enough BRAM for M68K RAM
+JTFRAME_SKIP

cores/arbalest/cfg/mame2mra.toml

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+[global]
+author=["jotego"]
+
+[parse]
+sourcefile=[ "downtown.cpp" ]
+# This core ships the metafox-class members of downtown.cpp (sub = I/O CPU,
+# X1-010 on the main 68000 bus). calibr50 is the cal50 core; the others differ.
+skip.Machines=[
+    "tndrcade","tndrcadej",
+    "twineagl","twineagl1",
+    "downtown","downtown2","downtownj","downtownp",
+    "usclssic",
+    "calibr50",
+]
+
+[header]
+info="""Seta downtown.cpp (metafox-class) family header, decoded in jtarbalest_game.v.
+        byte 0 = game_id (0=metafox, 1=arbalest). Bytes 1..15 reserved."""
+data=[
+    { setnames=["metafox"],  data="00" },
+    { setnames=["arbalest"], data="01" },
+]
+
+[buttons]
+names = [
+    { names="Shot,Bomb" },
+]
+
+[dipsw]
+delete= [
+    { names=["Copyright / License", "Licensed To", "Licensor Option", "Coinage Type"] },
+]
+
+[ROM]
+regions = [
+    { name="maincpu", width=16, reverse=true, no_offset=true  },
+
+    { name="sub",   start="JTFRAME_BA1_START", no_offset=true },
+    { name="x1snd", start="PCM_START"         },
+
+    { name="tiles",   width=16, start="JTFRAME_BA2_START", no_offset=true },
+    { name="sprites", width=32, start="JTFRAME_BA3_START", no_offset=true },
+    { name="proms", skip=true }
+]
+
+order=["maincpu","sub","x1snd","tiles","sprites"]

cores/arbalest/cfg/mem.yaml

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+params:
+  - { name: PCM_OFFSET, value: "(`PCM_START-`JTFRAME_BA1_START)>>1" }
+clocks:
+  clk48:
+    - freq: 8 MHz
+      gate: [ snd ]
+      outputs:
+        - cen8
+    - freq: 16 MHz
+      outputs:
+        - cen_pcm
+audio:
+  mute: true
+  channels:
+    # Same dual 4k/8k anti-alias filtering as cal50 (X1-010 left/right mono mix)
+    - { name: pcm_4k, data_width: 16, rsum:  47k, fir: fir_192k_4k.csv }
+    - { name: pcm_8k, data_width: 16, rsum:  47k, fir: fir_192k_8k.csv }
+sdram:
+  banks:
+    - buses:
+        - name: main
+          addr_width: 20
+          data_width: 16
+    - buses:
+        - name: snd        # 65C02 I/O sub-CPU program ROM (region "sub")
+          addr_width: 18
+          data_width: 8
+        - name: pcm        # X1-010 samples (region "x1snd")
+          addr_width: 20
+          data_width: 8
+          offset: PCM_OFFSET
+    - buses:
+        - name: tile
+          addr_width: 21
+          data_width: 32
+          gfx_sort: hvvvx
+    - buses:
+        - name: scr
+          addr_width: 21
+          data_width: 32
+        - name: obj
+          addr_width: 21
+          data_width: 32
+bram:
+  - name: ram        # M68K work RAM (0xf00000-)
+    addr_width: 16
+    data_width: 16
+    din: cpu_dout
+    rw: true
+  # Shared RAM between the main 68000 (0xb00000, byte) and the I/O 65C02 (0x5000)
+  - name: shram
+    addr_width: 11
+    data_width: 8
+    din: cpu_dout[7:0]
+    addr: main_addr[11:1]
+    rw: true
+    dual_port:
+      name: subsh
+      din: subsh_din
+      dout: subsh_dout
+      rw: true
+      we: subsh_we
+  # X1-012 Video RAM
+  - name: tlv
+    addr_width: 14
+    data_width: 16
+    din: cpu_dout
+    addr: main_addr[13:1]
+    rw: true
+    ioctl:
+      save: true
+      order: 0
+      unless: [ JTFRAME_RELEASE ]
+    dual_port:
+      name: tlrd
+      dout: tlrd_data
+  # Palette RAM
+  - name: pal
+    addr_width: 10
+    data_width: 16
+    din: cpu_dout
+    addr: main_addr[9:1]
+    rw: true
+    ioctl:
+      save: true
+      order: 1
+      unless: [ JTFRAME_RELEASE ]
+    dual_port:
+      name: palrd
+      dout: pal_data
+  # X1-001 internal RAM
+  - name: yram
+    addr_width: 10
+    data_width: 8
+    din: cpu_dout[7:0]
+    addr: main_addr[10:1]
+    rw: true
+    ioctl:
+      save: true
+      order: 2
+      unless: [ JTFRAME_RELEASE ]
+    dual_port:
+      name: col
+      dout: col_data
+  # X1-001 external video RAM. metafox is 16 KB (0xe00000-0xe03fff): two 8 KB sprite buffers
+  - name: dma
+    addr_width: 14
+    data_width: 16
+    rw: true
+    ioctl:
+      save: true
+      order: 3
+      unless: [ JTFRAME_RELEASE ]
+    dual_port:
+      name: code
+      dout: code_dout

cores/arbalest/cfg/mmr.yaml

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+- name: x1012
+  no_core_name: true
+  size: 8
+  dw: 16
+  regs:
+    - name: hpos
+      dw: 16
+      at: "1,0"
+    - name: vpos
+      dw: 16
+      at: "3,2"
+    # vctrl[2]: bit3 (0x08)=tilemap bank (vram 0 / 0x1000), bit4 (0x10)=color/gfx mode (MAME x1_012.cpp)
+    - name: bank
+      dw: 1
+      at: "4[3]"

cores/arbalest/cfg/msg

@@ -0,0 +1,7 @@
+\BArbalester - Metafox\W FPGA core
+
+   by \GAndr\Wea Bog\Razzi\W
+   on the \RJTCORES\W framework
+     by JOTEGO + community
+
+   Reviewed by Jose Tejada