From 673437da25cef30ad082a0fcbc9a9e127587bbf6 Mon Sep 17 00:00:00 2001
From: sozud <122322823+sozud@users.noreply.github.com>
Date: Sat, 24 Feb 2024 17:04:20 -0800
Subject: [PATCH] match sr_gaks

---
 src/spu/sr_gaks.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 src/spu/sr_gaks.c

diff --git a/src/spu/sr_gaks.c b/src/spu/sr_gaks.c
new file mode 100644
index 0000000..49c8814
--- /dev/null
+++ b/src/spu/sr_gaks.c
@@ -0,0 +1,68 @@
+#include "libspu_i.h"
+
+extern s32 _spu_keystat;
+#define NUM_SPU_CHANNELS 24
+
+long SpuRGetAllKeysStatus(long min, long max, char* status) {
+    s32 last_voice;
+    s32 var_a1;
+    s32 voice;
+    s32 var_v0;
+    s8* var_a2;
+    u16 volume;
+    if (min < 0) {
+        min = 0;
+    }
+    if (min < NUM_SPU_CHANNELS) {
+        if (max >= NUM_SPU_CHANNELS) {
+            max = NUM_SPU_CHANNELS - 1;
+        }
+    } else {
+        return -3;
+    }
+    if ((max < 0) || (max < min)) {
+        return -3;
+    }
+    voice = min;
+    last_voice = max + 1;
+
+    for (voice = min; voice < last_voice; voice++) {
+        volume = _spu_RXX->raw[(8 * voice) + 6];
+        if ((1 << voice) & _spu_keystat) {
+            if (volume != 0) {
+                status[voice] = 1;
+            } else {
+                status[voice] = 3;
+            }
+        } else if (volume != 0) {
+            status[voice] = 2;
+        } else {
+            status[voice] = 0;
+        }
+    }
+
+    return 0;
+}
+
+void SpuGetAllKeysStatus(char* status) {
+    s32 voice;
+    u16* new_var;
+    u16 volumex;
+    s32 max;
+    max = NUM_SPU_CHANNELS;
+    for (voice = 0; voice < max; voice++) {
+        new_var = &_spu_RXX->rxx.voice[voice].volumex;
+        volumex = *new_var;
+        if ((1 << voice) & _spu_keystat) {
+            if (volumex != 0) {
+                status[voice] = 1;
+            } else {
+                status[voice] = 3;
+            }
+        } else if (volumex != 0) {
+            status[voice] = 2;
+        } else {
+            status[voice] = 0;
+        }
+    }
+}