link dspproc

2026-07-09 12:37:22 -04:00 · 2024-06-13 00:23:42 +02:00
parent 5299baa10b
commit 0896b19994
3 changed files with 96 additions and 1 deletions
@@ -0,0 +1,92 @@
+#include "jaudio_NES/dspproc.h"
+#include "dolphin/dsp.h"
+
+static u16 DSP_MIXERLEVEL = 0x4000;
+
+extern s32 DSPSendCommands(u32* commands, u32 count) {
+    if (DSPCheckMailToDSP() != 0) {
+        return -1;
+    }
+    if (DSPCheckMailFromDSP() != 0) {
+        return -1;
+    }
+
+    int i;
+
+    for (i = 0; i < count; i++) {
+        DSPSendMailToDSP(commands[i]);
+
+        while (DSPCheckMailToDSP() != 0);
+    }
+
+    return 0;
+}
+
+extern u32 DSPReleaseHalt() {
+    while (DSPCheckMailToDSP() != 0);
+    DSPSendMailToDSP(0);
+    if (DSPCheckMailFromDSP() != 0) {
+        DSPReadMailFromDSP();
+    }
+
+    return 0x88881357;
+}
+
+extern void DSPWaitFinish() {
+    do {
+        while (DSPCheckMailFromDSP() == 0);
+    } while ((DSPReadMailFromDSP() + 0x77780000) == 0x1357);
+}
+
+extern void DsetupTable(u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4) {
+    u32 commands[5];
+
+    commands[0] = (arg0 & 0xFFFF) | 0x81000000;
+    commands[1] = arg1;
+    commands[2] = arg2;
+    commands[3] = arg3;
+    commands[4] = arg4;
+
+    DSPSendCommands(commands, ARRAY_COUNT(commands));
+    DSPWaitFinish();
+}
+
+extern void DsyncFrame(u32 subframes, u32 dspbuf_start, u32 dspbuf_end){
+    u32 commands[3];
+
+    commands[0] = (subframes << 16 & 0xFF0000) | 0x82000000 | DSP_MIXERLEVEL;
+    commands[1] = dspbuf_start;
+    commands[2] = dspbuf_end;
+
+    DSPSendCommands(commands, ARRAY_COUNT(commands));
+    DSPWaitFinish();    
+}
+
+extern void DwaitFrame(){
+    u32 commands[1];
+
+    commands[0] = 0x80000000;
+    DSPSendCommands(commands, ARRAY_COUNT(commands));
+    DSPWaitFinish();    
+}
+
+extern void DiplSec(u32 arg0){
+    u32 commands[2];
+
+    commands[0] = 0x8B000008;
+    commands[1] = arg0;
+    DSPSendCommands(commands, ARRAY_COUNT(commands));
+    DSPWaitFinish();    
+}
+
+extern void DagbSec(u32 arg0){
+    u32 commands[2];
+
+    commands[0] = 0x8C000008;
+    commands[1] = arg0;
+    DSPSendCommands(commands, ARRAY_COUNT(commands));
+    DSPWaitFinish();    
+}
+
+
+