From 855af3727dcf1326f34472e870dd9ce87e7acdf6 Mon Sep 17 00:00:00 2001
From: Jasmine Iwanek <jasmine@iwanek.co.uk>
Date: Sat, 12 Feb 2022 23:20:59 -0500
Subject: [PATCH] Add TNDY

---
 src/include/86box/sound.h |  1 +
 src/sound/snd_sn76489.c   | 49 +++++++++++++++++++++++++++++++++++++++
 src/sound/sound.c         |  1 +
 3 files changed, 51 insertions(+)

diff --git a/src/include/86box/sound.h b/src/include/86box/sound.h
index 089aaa667..cbf380901 100644
--- a/src/include/86box/sound.h
+++ b/src/include/86box/sound.h
@@ -103,6 +103,7 @@ extern const device_t pas16_device;
 extern const device_t ps1snd_device;
 
 /* Tandy PSSJ */
+extern const device_t tndy_device;
 extern const device_t pssj_device;
 extern const device_t pssj_isa_device;
 
diff --git a/src/sound/snd_sn76489.c b/src/sound/snd_sn76489.c
index 6f60a077e..8f0175af8 100644
--- a/src/sound/snd_sn76489.c
+++ b/src/sound/snd_sn76489.c
@@ -224,6 +224,18 @@ void *ncr8496_device_init(const device_t *info)
         return sn76489;
 }
 
+void *tndy_device_init(const device_t *info)
+{
+        sn76489_t *sn76489 = malloc(sizeof(sn76489_t));
+        memset(sn76489, 0, sizeof(sn76489_t));
+
+        uint16_t addr = device_get_config_hex16("base");
+
+        sn76489_init(sn76489, addr, 0x0008, SN76496, 3579545);
+
+        return sn76489;
+}
+
 void sn76489_device_close(void *p)
 {
         sn76489_t *sn76489 = (sn76489_t *)p;
@@ -231,6 +243,30 @@ void sn76489_device_close(void *p)
         free(sn76489);        
 }
 
+static const device_config_t tndy_config[] =
+{
+        {
+                "base", "Address", CONFIG_HEX16, "", 0x0C0, "", { 0 },
+                {
+                        {
+                                "0x0C0", 0x0C0
+                        },
+                        {
+                                "0x1E0", 0x1E0
+                        },
+                        {
+                                "0x2C0", 0x2C0
+                        },
+                        {
+                                ""
+                        }
+                }
+        },
+        {
+                "", "", -1
+        }
+};
+
 const device_t sn76489_device =
 {
         "TI SN74689 PSG",
@@ -242,6 +278,7 @@ const device_t sn76489_device =
 	NULL, { NULL }, NULL,
         NULL
 };
+
 const device_t ncr8496_device =
 {
         "NCR8496 PSG",
@@ -253,3 +290,15 @@ const device_t ncr8496_device =
 	NULL, { NULL }, NULL,
         NULL
 };
+
+const device_t tndy_device =
+{
+        "TNDY",
+        "tndy"
+        DEVICE_ISA,
+	0,
+        tndy_device_init,
+        sn76489_device_close,
+	NULL, { NULL }, NULL,
+        tndy_config
+};
diff --git a/src/sound/sound.c b/src/sound/sound.c
index f203a6f76..b2b9c4fca 100644
--- a/src/sound/sound.c
+++ b/src/sound/sound.c
@@ -123,6 +123,7 @@ static const SOUND_CARD sound_cards[] =
 #if defined(DEV_BRANCH) && defined(USE_PAS16)
     { &pas16_device				},
 #endif
+    { &tndy_device				},
     { &pssj_isa_device			},
     { &wss_device				},
     { &adlib_mca_device			},