Add Novell NetWare 2.x Card Key emulation

src/device/CMakeLists.txt

@@ -22,7 +22,8 @@ add_library(dev OBJECT bugger.c cassette.c cartridge.c hasp.c hwm.c hwm_lm75.c h
     kbc_at.c kbc_at_dev.c
     keyboard_at.c
     mouse.c mouse_bus.c mouse_serial.c mouse_ps2.c nec_mate_unk.c phoenix_486_jumper.c
-    serial_passthrough.c)
+    serial_passthrough.c
+    novell_cardkey.c)
 
 if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     target_link_libraries(86Box atomic)

src/device/novell_cardkey.c

@@ -0,0 +1,115 @@
+/*
+ * 86Box    A hypervisor and IBM PC system emulator that specializes in
+ *          running old operating systems and software designed for IBM
+ *          PC systems and compatibles from 1981 through fairly recent
+ *          system designs based on the PCI bus.
+ *
+ *          This file is part of the 86Box distribution.
+ *
+ *          Implementation of the Novell NetWare 2.x Key Card, which
+ *          was used for anti-piracy protection.
+ *
+ *
+ * Authors: Cacodemon345
+ *
+ *          Copyright 2024 Cacodemon345.
+ */
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <86box/86box.h>
+#include <86box/io.h>
+#include <86box/device.h>
+#include <86box/timer.h>
+#include <86box/plat.h>
+#include <86box/novell_cardkey.h>
+
+typedef struct novell_cardkey_t
+{
+    char serial_number_str[13];
+} novell_cardkey_t;
+
+static uint8_t
+novell_cardkey_read(uint16_t port, void *priv)
+{
+    novell_cardkey_t* cardkey = (novell_cardkey_t*)priv;
+    uint8_t val = 0x00;
+    switch (port) {
+        case 0x23A:
+            val = ((cardkey->serial_number_str[11] - '0') << 4) | ((cardkey->serial_number_str[9] - '0'));
+            break;
+        case 0x23B:
+            val = ((cardkey->serial_number_str[10] - '0') << 4) | ((cardkey->serial_number_str[8] - '0'));
+            break;
+
+        case 0x23C:
+            val = ((cardkey->serial_number_str[4] - '0') << 4) | ((cardkey->serial_number_str[2] - '0'));
+            break;
+        case 0x23D:
+            val = ((cardkey->serial_number_str[1] - '0') << 4) | ((cardkey->serial_number_str[6] - '0'));
+            break;
+        case 0x23E:
+            val = ((cardkey->serial_number_str[0] - '0') << 4) | ((cardkey->serial_number_str[7] - '0'));
+            break;
+        case 0x23F:
+            val = ((cardkey->serial_number_str[3] - '0') << 4) | ((cardkey->serial_number_str[5] - '0'));
+            break;
+    }
+    return val ^ 0xFF;
+}
+
+void* novell_cardkey_init(const device_t* info)
+{
+    char sernumstr[13] = { '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', 0 };
+    int i = 0;
+    novell_cardkey_t* cardkey = calloc(1, sizeof(novell_cardkey_t));
+
+    strncpy(sernumstr, device_get_config_string("serial_number"), sizeof(sernumstr) - 1);
+    
+    for (i = 0; i < sizeof(sernumstr); i++) {
+        if (sernumstr[i] > '8' || sernumstr[i] < '0')
+            sernumstr[i] = '0';
+    }
+    sernumstr[12] = 0;
+    strncpy(cardkey->serial_number_str, sernumstr, sizeof(sernumstr));
+    io_sethandler(NOVELL_KEYCARD_ADDR, NOVELL_KEYCARD_ADDRLEN, novell_cardkey_read, NULL, NULL, NULL, NULL, NULL, cardkey);
+    return cardkey;
+}
+
+void novell_cardkey_close(void* priv)
+{
+    free(priv);
+}
+
+static const device_config_t keycard_config[] = {
+  // clang-format off
+    {
+        .name = "serial_number",
+        .description = "Serial Number",
+        .type = CONFIG_STRING,
+        .default_string = "",
+        .default_int = 0,
+        .file_filter = "",
+        .spinner = { 0 },
+        .selection = { 0 }
+    },
+    { .name = "", .description = "", .type = CONFIG_END }
+  // clang-format on
+};
+
+const device_t novell_keycard_device = {
+    .name          = "Novell Netware 2.x Key Card",
+    .internal_name = "mssystems",
+    .flags         = DEVICE_ISA,
+    .local         = 0,
+    .init          = novell_cardkey_init,
+    .close         = novell_cardkey_close,
+    .reset         = NULL,
+    { .available = NULL },
+    .speed_changed = NULL,
+    .force_redraw  = NULL,
+    .config        = keycard_config
+};