From 8a498aa92864fd340376e46b3c586a77fdf3b864 Mon Sep 17 00:00:00 2001
From: Ken Mitton <mittonk@alum.mit.edu>
Date: Wed, 12 Mar 2025 11:11:40 -0400
Subject: [PATCH] Add DICE emulator for machines without a CPU

---
 platforms.cfg                          |  6 +++-
 scriptmodules/libretrocores/lr-dice.sh | 49 ++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 1 deletion(-)
 create mode 100644 scriptmodules/libretrocores/lr-dice.sh

diff --git a/platforms.cfg b/platforms.cfg
index d6839e42a6..2b854abfc1 100644
--- a/platforms.cfg
+++ b/platforms.cfg
@@ -13,7 +13,7 @@ amstradcpc_fullname="Amstrad CPC"
 apple2_exts=".po .dsk .nib"
 apple2_fullname="Apple II"
 
-arcade_exts=".7z .cue .fba .iso .zip"
+arcade_exts=".7z .cue .dmy .fba .iso .zip"
 arcade_fullname="Arcade"
 
 arcadia_exts=".bin .zip"
@@ -60,6 +60,10 @@ crvision_fullname="CreatiVision"
 daphne_exts=".daphne .ogv"
 daphne_fullname="Daphne"
 
+dice_exts=".dmy .zip"
+dice_fullname="DICE"
+dice_platform="arcade"
+
 dragon32_exts=".bin .cas .wav .bas .asc .dmk .jvc .os9 .dsk .vdk .rom .ccc .sna"
 dragon32_fullname="Dragon 32"
 
diff --git a/scriptmodules/libretrocores/lr-dice.sh b/scriptmodules/libretrocores/lr-dice.sh
new file mode 100644
index 0000000000..7574494b3d
--- /dev/null
+++ b/scriptmodules/libretrocores/lr-dice.sh
@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+
+# This file is part of The RetroPie Project
+#
+# The RetroPie Project is the legal property of its developers, whose names are
+# too numerous to list here. Please refer to the COPYRIGHT.md file distributed with this source.
+#
+# See the LICENSE.md file at the top-level directory of this distribution and
+# at https://raw.githubusercontent.com/RetroPie/RetroPie-Setup/master/LICENSE.md
+#
+
+rp_module_id="lr-dice"
+rp_module_desc="Discrete Integrated Circuit Emulator for machines without a CPU - DICE core for libretro"
+rp_module_help="ROM Extensions: .zip .dmy\n\nCopy your DICE TTL roms to either $romdir/arcade or $romdir/dice"
+rp_module_licence="GPL3 https://raw.githubusercontent.com/mittonk/dice-libretro/main/LICENSE.txt"
+rp_module_repo="git https://github.com/mittonk/dice-libretro.git main"
+rp_module_section="opt"
+
+function depends_lr-dice() {
+    getDepends zlib1g-dev
+}
+
+function sources_lr-dice() {
+    gitPullOrClone
+}
+
+function build_lr-dice() {
+    make clean
+    make
+    md_ret_require="$md_build/dice_libretro.so"
+}
+
+function install_lr-dice() {
+    md_ret_files=(
+        'README.md'
+        'dice_libretro.so'
+        'LICENSE.txt'
+    )
+}
+
+function configure_lr-dice() {
+    local system
+    for system in arcade dice; do
+        mkRomDir "$system"
+        defaultRAConfig "$system"
+        addEmulator 0 "$md_id" "$system" "$md_inst/dice_libretro.so"
+        addSystem "$system"
+    done
+}