From fd41cafc4b6b7b66005691f5e993aaaf920ec3fc Mon Sep 17 00:00:00 2001
From: Maxim Poliakovski <maximumspatium@googlemail.com>
Date: Sun, 7 Aug 2022 15:23:32 +0200
Subject: [PATCH] New machine: Power Macintosh 7500.

---
 machines/machinetnt.cpp | 105 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 machines/machinetnt.cpp

diff --git a/machines/machinetnt.cpp b/machines/machinetnt.cpp
new file mode 100644
index 0000000..a6c7a0e
--- /dev/null
+++ b/machines/machinetnt.cpp
@@ -0,0 +1,105 @@
+/*
+DingusPPC - The Experimental PowerPC Macintosh emulator
+Copyright (C) 2018-22 divingkatae and maximum
+                      (theweirdo)     spatium
+
+(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+/** @file Constructs a TNT (Power Macintosh 7500, 8500 etc) machine. */
+
+#include <cpu/ppc/ppcemu.h>
+#include <devices/common/pci/bandit.h>
+#include <devices/common/scsi/scsi.h>
+#include <devices/ioctrl/macio.h>
+#include <devices/memctrl/hammerhead.h>
+#include <loguru.hpp>
+#include <machines/machinebase.h>
+#include <machines/machinefactory.h>
+#include <machines/machineproperties.h>
+
+#include <memory>
+#include <string>
+
+int initialize_tnt(std::string& id)
+{
+    HammerheadCtrl* memctrl_obj;
+
+    PCIHost *pci_host = dynamic_cast<PCIHost*>(gMachineObj->get_comp_by_name("Bandit1"));
+
+    // connect GrandCentral I/O controller to the PCI1 bus
+    pci_host->pci_register_device(
+        32, dynamic_cast<PCIDevice*>(gMachineObj->get_comp_by_name("GrandCentral")));
+
+    // get video PCI controller object
+    PCIHost *vci_host = dynamic_cast<PCIHost*>(gMachineObj->get_comp_by_name("Chaos"));
+
+    // connect built-in video device to the VCI bus
+    vci_host->pci_register_device(
+        1, dynamic_cast<PCIDevice*>(gMachineObj->get_comp_by_name("ControlVideo")));
+
+    // get (raw) pointer to the memory controller
+    memctrl_obj = dynamic_cast<HammerheadCtrl*>(gMachineObj->get_comp_by_name("Hammerhead"));
+
+    // allocate ROM region
+    if (!memctrl_obj->add_rom_region(0xFFC00000, 0x400000)) {
+        LOG_F(ERROR, "Could not allocate ROM region!\n");
+        return -1;
+    }
+
+    // plug 8MB RAM DIMM into slot #0
+    memctrl_obj->insert_ram_dimm(2, DRAM_CAP_16MB);
+
+    // allocate and map physical RAM
+    memctrl_obj->map_phys_ram();
+
+    // add single SCSI bus
+    gMachineObj->add_device("SCSI0", std::unique_ptr<ScsiBus>(new ScsiBus()));
+
+    // init virtual CPU and request MPC601
+    ppc_cpu_init(memctrl_obj, PPC_VER::MPC601, 7833600ULL);
+
+    return 0;
+}
+
+static const PropMap pm7500_settings = {
+    {"rambank1_size",
+        new IntProperty(16, vector<uint32_t>({4, 8, 16, 32, 64, 128}))},
+    {"rambank2_size",
+        new IntProperty( 0, vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))},
+    {"rambank3_size",
+        new IntProperty( 0, vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))},
+    {"rambank4_size",
+        new IntProperty( 0, vector<uint32_t>({0, 4, 8, 16, 32, 64, 128}))},
+    {"gfxmem_size",
+        new IntProperty( 1, vector<uint32_t>({1, 2, 4}))},
+    {"emmo",
+        new BinProperty(0)},
+};
+
+static vector<string> pm7500_devices = {
+    "Hammerhead", "Bandit1", "Chaos", "GrandCentral", "ControlVideo"
+};
+
+static const MachineDescription pm7500_descriptor = {
+    .name = "pm7500",
+    .description = "Power Macintosh 7500",
+    .devices = pm7500_devices,
+    .settings = pm7500_settings,
+    .init_func = &initialize_tnt
+};
+
+REGISTER_MACHINE(pm7500, pm7500_descriptor);