Add musyx/stream.c, match and link arith.c

Former-commit-id: 7bd0748d30

.vscode/settings.json

@@ -38,7 +38,9 @@
     "osexception.h": "c",
     "oserror.h": "c",
     "oscontext.h": "c",
-    "oscache.h": "c"
+    "oscache.h": "c",
+    "stdlib.h": "c",
+    "musyx_priv.h": "c"
   },
   "files.autoSave": "onFocusChange",
   "files.insertFinalNewline": true,

asm/Runtime/ansi_fp.s

@@ -2248,12 +2248,12 @@ lbl_8038CE14:
 /* 8038CE14 00389D74  7C 83 23 78 */	mr r3, r4
 /* 8038CE18 00389D78  4E 80 00 20 */	blr
 
-.global abs
-abs:
-/* 8038CE1C 00389D7C  7C 64 FE 70 */	srawi r4, r3, 0x1f
-/* 8038CE20 00389D80  7C 80 1A 78 */	xor r0, r4, r3
-/* 8038CE24 00389D84  7C 64 00 50 */	subf r3, r4, r0
-/* 8038CE28 00389D88  4E 80 00 20 */	blr
+#.global abs
+#abs:
+#/* 8038CE1C 00389D7C  7C 64 FE 70 */	srawi r4, r3, 0x1f
+#/* 8038CE20 00389D80  7C 80 1A 78 */	xor r0, r4, r3
+#/* 8038CE24 00389D84  7C 64 00 50 */	subf r3, r4, r0
+#/* 8038CE28 00389D88  4E 80 00 20 */	blr
 
 .section .sdata2, "a"
 .balign 8

asm/Runtime/arith.s

@@ -2,9 +2,9 @@
 
 .section .text, "ax"
 
-# .global abs
-# abs:
-# /* 8038CE1C 00389D7C  7C 64 FE 70 */	srawi r4, r3, 0x1f
-# /* 8038CE20 00389D80  7C 80 1A 78 */	xor r0, r4, r3
-# /* 8038CE24 00389D84  7C 64 00 50 */	subf r3, r4, r0
-# /* 8038CE28 00389D88  4E 80 00 20 */	blr
+.global abs
+abs:
+/* 8038CE1C 00389D7C  7C 64 FE 70 */	srawi r4, r3, 0x1f
+/* 8038CE20 00389D80  7C 80 1A 78 */	xor r0, r4, r3
+/* 8038CE24 00389D84  7C 64 00 50 */	subf r3, r4, r0
+/* 8038CE28 00389D88  4E 80 00 20 */	blr

configure.py

@@ -860,7 +860,7 @@ LIBS = [
             ["Runtime/alloc", False],
             ["Runtime/ansi_files", True],
             "Runtime/ansi_fp",
-            "Runtime/arith",
+            ["Runtime/arith", True],
             ["Runtime/buffer_io", True],
             ["Runtime/ctype", True],
             ["Runtime/locale", True],
@@ -923,7 +923,7 @@ LIBS = [
             "musyx/synth",
             ["musyx/seq_api", True],
             ["musyx/snd_synthapi", False, False],
-            "musyx/stream",
+            ["musyx/stream", False],
             "musyx/synthdata",
             "musyx/synthmacros",
             "musyx/synthvoice",

include/musyx/musyx_priv.h

@@ -79,6 +79,22 @@ u32 salInitDsp(u32);
 u32 salInitDspCtrl(u32, u32, u16);
 u32 salStartAi();
 
+/* Stream */
+typedef s32 (*SND_STREAM_UPDATE_CALLBACK)(void * buffer1, u32 len1, void * buffer2, u32 len2, void* user);
+typedef struct SND_STREAM_INFO {
+  u32 x0_;
+  u32 x4_;
+  u32 x8_;
+  u8 xc_;
+  char data2[0x10 - 0xd];
+  SND_STREAM_UPDATE_CALLBACK updateCb;
+  char data3[0x4C - 0x14];
+  SND_VOICEID voiceId;
+  void* user;
+  char data4[0x64 - 0x54];
+} SND_STREAM_INFO;
+
+
 /* TODO: Figure out what `unk` is */
 bool hwAddInput(u8 studio, void* unk);
 bool hwRemoveInput(u8 studio, void* unk);

src/Runtime/arith.c

@@ -0,0 +1,15 @@
+#include <stdlib.h>
+
+int abs(int n) {
+  if (n < 0)
+    return (-n);
+  else
+    return (n);
+}
+
+long labs(long n) {
+  if (n < 0)
+    return (-n);
+  else
+    return (n);
+}

src/musyx/stream.c

@@ -0,0 +1,58 @@
+#include "musyx/musyx_priv.h"
+
+SND_STREAM_INFO streamInfo[64];
+
+u32 nextPublicID = 0;
+u8 streamCallDelay = 0;
+u8 streamCallCnt = 0;
+
+void streamInit() {
+  s32 i;
+  streamCallCnt = 0;
+  streamCallDelay = 3;
+
+  for (i = 0; i < synthInfo.voices; ++i) {
+    streamInfo[i].xc_ = 0;
+  }
+
+  nextPublicID = 0;
+}
+
+void SetHWMix(SND_STREAM_INFO* info) {
+  // hwSetVolume()
+}
+
+void streamHandle() {}
+
+void streamCorrectLoops() {}
+
+void streamKill(SND_STREAMID streamId) {
+  SND_STREAM_INFO* stream = &streamInfo[streamId];
+
+  switch (stream->xc_) {
+  case 1:
+  case 2:
+    if (stream->xc_ == 2) {
+      voiceUnblock(stream->voiceId);
+    }
+    stream->xc_ = 3;
+    stream->updateCb(NULL, 0, NULL, 0, stream->user);
+    break;
+  }
+}
+
+s32 GetPrivateIndex(s32 something) {
+  s32 i;
+  for (i = 0; i < 64; ++i) {
+    if (streamInfo[i].xc_ != 0 && something == streamInfo[i].x4_) {
+      return i;
+    }
+  }
+
+
+  return -1;
+}
+
+void sndStreamARAMUpdate() {
+  
+}