Decompile pxtex2.c

include/usr/local/sce/ee/lib/eeregs.h

@@ -0,0 +1,15 @@
+#ifndef _EEREGS_H_
+#define _EEREGS_H_
+
+#define D2_CHCR         ((volatile unsigned int *)(0x1000a000))
+#define DGET_D2_CHCR()          (*D2_CHCR)
+#define DPUT_D2_CHCR(x)         (*D2_CHCR = (x))
+#define D2_QWC          ((volatile unsigned int *)(0x1000a020))
+#define DPUT_D2_QWC(x)          (*D2_QWC = (x))
+#define D2_TADR         ((volatile unsigned int *)(0x1000a030))
+#define DPUT_D2_TADR(x)         (*D2_TADR = (x))
+#define D_STAT          ((volatile unsigned int *)(0x1000e010))
+#define DPUT_D_STAT(x)          (*D_STAT = (x))
+
+
+#endif /* _EEREGS_H_ */

include/usr/local/sega/px/src/pxtex2.h

@@ -0,0 +1,15 @@
+extern unsigned int pxgPath3TransAddr; // size: 0x4, address: 0x6D1F38
+extern unsigned int pxgPath3TransInvokeCount; // size: 0x4, address: 0x6D1F3C
+
+enum PXE_ERR {
+    PXE_ERR_OK = 0,
+    PXE_ERR_INVALIDARG = -1,
+    PXE_ERR_BUSY = -2,
+    PXE_ERR_NOTREADY = -10,
+    PXE_ERR_NOTVB = -50,
+    PXE_ERR_INVALIDVBVERSION = -51,
+    PXE_ERR_TOOMANYVERTICES = -52,
+    PXE_ERR_NODATA = -53,
+    PXE_ERR_NOTENOUGHBUFFER = -54,
+    PXE_ERR_INCORRECTDBINDEX = -55,
+};

src/usr/local/sega/px/src/pxtex2.c

@@ -0,0 +1,18 @@
+#include "usr/local/sce/ee/lib/eeregs.h"
+#include "usr/local/sega/px/src/pxtex2.h"
+
+unsigned int pxgPath3TransAddr; // size: 0x4, address: 0x6D1F38
+unsigned int pxgPath3TransInvokeCount; // size: 0x4, address: 0x6D1F3C
+
+
+enum PXE_ERR PXStartPath3Trans(void * tagAddr) {
+    while (DGET_D2_CHCR() & 0x100);
+    DPUT_D_STAT(4);
+    DPUT_D2_QWC(0);
+    DPUT_D2_TADR((unsigned int)tagAddr & 0x0FFFFFFF);
+    asm("sync;");
+    DPUT_D2_CHCR(0x185);
+    pxgPath3TransAddr = (unsigned int)tagAddr & 0x0FFFFFFF;
+    pxgPath3TransInvokeCount++;
+    return PXE_ERR_OK;
+}