From e257569e6763a6ba91763e089cd9c8fa64440042 Mon Sep 17 00:00:00 2001
From: Jasmine Iwanek <jasmine@iwanek.co.uk>
Date: Sun, 9 Feb 2025 23:40:56 -0500
Subject: [PATCH] Single Channel XTIDE support

---
 src/disk/hdc.c          |  2 ++
 src/disk/hdc_xtide.c    | 44 ++++++++++++++++++++++++++++++++++++-----
 src/include/86box/hdc.h | 10 ++++++----
 3 files changed, 47 insertions(+), 9 deletions(-)

diff --git a/src/disk/hdc.c b/src/disk/hdc.c
index f09a9a430..582c33428 100644
--- a/src/disk/hdc.c
+++ b/src/disk/hdc.c
@@ -72,7 +72,9 @@ static const struct {
     { &ide_isa_device              },
     { &ide_isa_2ch_device          },
     { &xtide_at_device             },
+    { &xtide_at_2ch_device         },
     { &xtide_at_ps2_device         },
+    { &xtide_at_ps2_2ch_device     },
     { &xta_wdxt150_device          },
     { &xtide_acculogic_device      },
     { &xtide_device                },
diff --git a/src/disk/hdc_xtide.c b/src/disk/hdc_xtide.c
index 74abc1c4d..09e41b9ea 100644
--- a/src/disk/hdc_xtide.c
+++ b/src/disk/hdc_xtide.c
@@ -157,7 +157,10 @@ xtide_at_init(const device_t *info)
              device_get_bios_file(info, device_get_config_bios("bios"), 0),
              0xc8000, 0x2000, 0x1fff, 0, MEM_MAPPING_EXTERNAL);
 
-    device_add(&ide_isa_2ch_device);
+    if (info->local == 1)
+        device_add(&ide_isa_2ch_device);
+    else
+        device_add(&ide_isa_device);
 
     return xtide;
 }
@@ -203,7 +206,10 @@ xtide_at_ps2_init(UNUSED(const device_t *info))
     rom_init(&xtide->bios_rom, ROM_PATH_PS2AT,
              0xc8000, 0x2000, 0x1fff, 0, MEM_MAPPING_EXTERNAL);
 
-    device_add(&ide_isa_2ch_device);
+    if (info->local == 1)
+        device_add(&ide_isa_2ch_device);
+    else
+        device_add(&ide_isa_device);
 
     return xtide;
 }
@@ -311,10 +317,24 @@ const device_t xtide_device = {
 };
 
 const device_t xtide_at_device = {
+    .name          = "PC/AT XTIDE (Primary Only)",
+    .internal_name = "xtide_at_1ch",
+    .flags         = DEVICE_ISA16,
+    .local         = 0,
+    .init          = xtide_at_init,
+    .close         = xtide_at_close,
+    .reset         = NULL,
+    .available     = NULL,
+    .speed_changed = NULL,
+    .force_redraw  = NULL,
+    .config        = xtide_at_config
+};
+
+const device_t xtide_at_2ch_device = {
     .name          = "PC/AT XTIDE",
     .internal_name = "xtide_at",
     .flags         = DEVICE_ISA16,
-    .local         = 0,
+    .local         = 1,
     .init          = xtide_at_init,
     .close         = xtide_at_close,
     .reset         = NULL,
@@ -339,8 +359,8 @@ const device_t xtide_acculogic_device = {
 };
 
 const device_t xtide_at_ps2_device = {
-    .name          = "PS/2 AT XTIDE (1.1.5)",
-    .internal_name = "xtide_at_ps2",
+    .name          = "PS/2 AT XTIDE (1.1.5) (Primary Only)",
+    .internal_name = "xtide_at_ps2_1ch",
     .flags         = DEVICE_ISA16,
     .local         = 0,
     .init          = xtide_at_ps2_init,
@@ -351,3 +371,17 @@ const device_t xtide_at_ps2_device = {
     .force_redraw  = NULL,
     .config        = NULL
 };
+
+const device_t xtide_at_ps2_2ch_device = {
+    .name          = "PS/2 AT XTIDE (1.1.5)",
+    .internal_name = "xtide_at_ps2",
+    .flags         = DEVICE_ISA16,
+    .local         = 1,
+    .init          = xtide_at_ps2_init,
+    .close         = xtide_at_close,
+    .reset         = NULL,
+    .available     = xtide_at_ps2_available,
+    .speed_changed = NULL,
+    .force_redraw  = NULL,
+    .config        = NULL
+};
diff --git a/src/include/86box/hdc.h b/src/include/86box/hdc.h
index 7f91fd61b..71f83e5e6 100644
--- a/src/include/86box/hdc.h
+++ b/src/include/86box/hdc.h
@@ -99,10 +99,12 @@ extern const device_t mcide_device;
 extern const device_t xta_wdxt150_device; /* xta_wdxt150 */
 extern const device_t xta_hd20_device;    /* EuroPC internal */
 
-extern const device_t xtide_device;           /* xtide_xt */
-extern const device_t xtide_at_device;        /* xtide_at */
-extern const device_t xtide_acculogic_device; /* xtide_ps2 */
-extern const device_t xtide_at_ps2_device;    /* xtide_at_ps2 */
+extern const device_t xtide_device;            /* xtide_xt */
+extern const device_t xtide_at_device;         /* xtide_at */
+extern const device_t xtide_at_2ch_device;     /* xtide_at_2ch */
+extern const device_t xtide_acculogic_device;  /* xtide_ps2 */
+extern const device_t xtide_at_ps2_device;     /* xtide_at_ps2 */
+extern const device_t xtide_at_ps2_2ch_device; /* xtide_at_ps2_2ch */
 
 /* Miscellaneous */
 extern const device_t lba_enhancer_device;