From a041469ff8b2fd302d49815e6cbb1600848e51d1 Mon Sep 17 00:00:00 2001
From: Ompronce <88358700+Ompronce@users.noreply.github.com>
Date: Sun, 17 Oct 2021 23:37:10 -0400
Subject: [PATCH] Added alternate Tandy PSSJ I/O port at 1E0h (used in Tandy
 1000 RSX)

---
 src/sound/snd_pssj.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/src/sound/snd_pssj.c b/src/sound/snd_pssj.c
index bdf013e2e..4eab5c856 100644
--- a/src/sound/snd_pssj.c
+++ b/src/sound/snd_pssj.c
@@ -201,6 +201,20 @@ void *pssj_init(const device_t *info)
         return pssj;
 }
 
+void *pssj_1e0_init(const device_t *info)
+{
+        pssj_t *pssj = malloc(sizeof(pssj_t));
+        memset(pssj, 0, sizeof(pssj_t));
+
+        sn76489_init(&pssj->sn76489, 0x01e0, 0x0004, PSSJ, 3579545);
+
+        io_sethandler(0x01E4, 0x0004, pssj_read, NULL, NULL, pssj_write, NULL, NULL, pssj);
+		timer_add(&pssj->timer_count, pssj_callback, pssj, pssj->enable);
+        sound_add_handler(pssj_get_buffer, pssj);
+        
+        return pssj;
+}
+
 void pssj_close(void *p)
 {
         pssj_t *pssj = (pssj_t *)p;
@@ -219,3 +233,15 @@ const device_t pssj_device =
         NULL,
         NULL
 };
+
+const device_t pssj_1e0_device =
+{
+        "Tandy PSSJ (port 1e0h)",
+        0, 0,
+        pssj_1e0_init,
+        pssj_close,
+	NULL,
+        { NULL },
+        NULL,
+        NULL
+};