From 2fff98423beb9619bff643cac7f70297409db38d Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Tue, 5 Mar 2024 20:36:33 +0100
Subject: [PATCH] Added the Everex Maxi Magic EV-165A, closes #2956.

---
 src/device/isamem.c | 123 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)

diff --git a/src/device/isamem.c b/src/device/isamem.c
index 5b880d6eb..8eb4b55f6 100644
--- a/src/device/isamem.c
+++ b/src/device/isamem.c
@@ -97,6 +97,7 @@
 #define ISAMEM_RAMPAGEXT_CARD  11
 #define ISAMEM_ABOVEBOARD_CARD 12
 #define ISAMEM_BRAT_CARD       13
+#define ISAMEM_EV165A_CARD     14
 
 #define ISAMEM_DEBUG           0
 
@@ -452,6 +453,18 @@ isamem_init(const device_t *info)
             dev->frame_addr = 0xE0000;
             break;
 
+        case ISAMEM_EV165A_CARD: /* Everex Maxi Magic EV-165A */
+            dev->base_addr  = device_get_config_hex16("base");
+            dev->total_size = device_get_config_int("size");
+            dev->start_addr = device_get_config_int("start");
+            tot             = device_get_config_int("length");
+            if (!!device_get_config_int("speed"))
+                dev->flags |= FLAG_FAST;
+            if (!!device_get_config_int("ems"))
+                dev->flags |= FLAG_EMS;
+            dev->frame_addr = 0xE0000;
+            break;
+
         case ISAMEM_RAMPAGEXT_CARD:  /* AST RAMpage/XT */
         case ISAMEM_ABOVEBOARD_CARD: /* Intel AboveBoard */
         case ISAMEM_BRAT_CARD:       /* BocaRAM/AT */
@@ -1238,6 +1251,115 @@ static const device_t ev159_device = {
     .config        = ev159_config
 };
 
+static const device_config_t ev165a_config[] = {
+  // clang-format off
+    {
+        .name = "size",
+        .description = "Memory Size",
+        .type = CONFIG_SPINNER,
+        .default_string = "",
+        .default_int = 512,
+        .file_filter = "",
+        .spinner = {
+            .min = 0,
+            .max = 2048,
+            .step = 512
+        },
+        .selection = { { 0 } }
+    },
+    {
+        .name = "start",
+        .description = "Start Address",
+        .type = CONFIG_SPINNER,
+        .default_string = "",
+        .default_int = 0,
+        .file_filter = "",
+        .spinner = {
+            .min = 0,
+            .max = 896,
+            .step = 128
+        },
+        .selection = { { 0 } }
+    },
+    {
+        .name = "length",
+        .description = "Contiguous Size",
+        .type = CONFIG_SPINNER,
+        .default_string = "",
+        .default_int = 0,
+        .file_filter = "",
+        .spinner = {
+            .min = 0,
+            .max = 16384,
+            .step = 128
+        },
+        .selection = { { 0 } }
+    },
+    {
+        .name = "speed",
+        .description = "Transfer Speed",
+        .type = CONFIG_SELECTION,
+        .default_string = "",
+        .default_int = 0,
+        .file_filter = "",
+        .spinner = { 0 },
+        .selection = {
+            { .description = "Standard (150ns)",   .value = 0 },
+            { .description = "High-Speed (120ns)", .value = 1 },
+            { .description = ""                               }
+        }
+    },
+    {
+        .name = "ems",
+        .description = "EMS mode",
+        .type = CONFIG_SELECTION,
+        .default_string = "",
+        .default_int = 0,
+        .file_filter = "",
+        .spinner = { 0 },
+        .selection = {
+            { .description = "Disabled", .value = 0 },
+            { .description = "Enabled",  .value = 1 },
+            { .description = ""                     }
+        },
+    },
+    {
+        .name = "base",
+        .description = "Address",
+        .type = CONFIG_HEX16,
+        .default_string = "",
+        .default_int = 0x0258,
+        .file_filter = "",
+        .spinner = { 0 },
+        .selection = {
+            { .description = "208H", .value = 0x0208 },
+            { .description = "218H", .value = 0x0218 },
+            { .description = "258H", .value = 0x0258 },
+            { .description = "268H", .value = 0x0268 },
+            { .description = "2A8H", .value = 0x02A8 },
+            { .description = "2B8H", .value = 0x02B8 },
+            { .description = "2E8H", .value = 0x02E8 },
+            { .description = ""                      }
+        },
+    },
+    { .name = "", .description = "", .type = CONFIG_END }
+  // clang-format on
+};
+
+static const device_t ev165a_device = {
+    .name          = "Everex Magi Magic EV-165A",
+    .internal_name = "ev159",
+    .flags         = DEVICE_ISA,
+    .local         = ISAMEM_EV165A_CARD,
+    .init          = isamem_init,
+    .close         = isamem_close,
+    .reset         = NULL,
+    { .available = NULL },
+    .speed_changed = NULL,
+    .force_redraw  = NULL,
+    .config        = ev165a_config
+};
+
 #if defined(DEV_BRANCH) && defined(USE_ISAMEM_BRAT)
 static const device_config_t brat_config[] = {
   // clang-format off
@@ -1560,6 +1682,7 @@ static const struct {
     { &a6pak_device        },
     { &ems5150_device      },
     { &ev159_device        },
+    { &ev165a_device       },
 #if defined(DEV_BRANCH) && defined(USE_ISAMEM_BRAT)
     { &brat_device         },
 #endif