Add some libetc

build.py

@@ -236,6 +236,14 @@ def build_35():
 
     add_lib_263(spu_srcs, "build/3.5/spu", "./psy-q/3.5/PSX/LIB/LIBSPU.LIB", "-DVERSION=35", "3.5")
 
+    etc_srcs = [
+        'src/etc/vmode.c',
+        'src/etc/pad.c',
+        'src/etc/intr_vb.c'
+    ]
+
+    add_lib_263(etc_srcs, "build/3.5/etc", "./psy-q/3.5/PSX/LIB/LIBETC.LIB", "-DVERSION=35", "3.5")
+
 def build_36():
     snd_srcs = [
         # 'src/snd/next.c',

include/LIBETC.H

@@ -0,0 +1,82 @@
+/* $PSLibId: Runtime Library Version 3.5$ */
+#ifndef _LIBETC_H_
+#define _LIBETC_H_
+
+/*
+ *  (C) Copyright 1993/1994 Sony Corporation,Tokyo,Japan. All Rights Reserved
+ *
+ * 			libetc.h: Pad Interface
+ */
+extern int PadIdentifier;
+/*
+ * PAD I/O (SIO Pad)
+ */
+#define PADLup     (1<<12)
+#define PADLdown   (1<<14)
+#define PADLleft   (1<<15)
+#define PADLright  (1<<13)
+#define PADRup     (1<< 4)
+#define PADRdown   (1<< 6)
+#define PADRleft   (1<< 7)
+#define PADRright  (1<< 5)
+#define PADi       (1<< 9)
+#define PADj       (1<<10)
+#define PADk       (1<< 8)
+#define PADl       (1<< 3)
+#define PADm       (1<< 1)
+#define PADn       (1<< 2)
+#define PADo       (1<< 0)
+#define PADh       (1<<11)
+#define PADL1      PADn
+#define PADL2      PADo
+#define PADR1      PADl
+#define PADR2      PADm
+#define PADstart   PADh
+#define PADselect  PADk
+
+#define MOUSEleft  (1<<3)
+#define MOUSEright (1<<2)
+
+/*
+ * PAD utility macro: _PAD(x,y)
+ *   x: controller ID (0 or 1)
+ *   y: PAD assign macro
+ *
+ * Example: _PAD(0,PADstart) ... PADstart of controller 1
+ *          _PAD(1,PADLup)   ... PADLup of controller 2
+ */
+#define _PAD(x,y) ((y)<<((x)<<4))
+
+/* scratch pad address 0x1f800000 - 0x1f800400 */
+#define getScratchAddr(offset)  ((u_long *)(0x1f800000+offset*4))
+
+/*
+ * Video Mode:	NTSC/PAL
+ */
+#define MODE_NTSC 0
+#define MODE_PAL 1 
+
+/*
+ * Prototypes
+ */
+#if defined(_LANGUAGE_C_PLUS_PLUS)||defined(__cplusplus)||defined(c_plusplus)
+extern "C" {
+#endif
+int CheckCallback(void) ;
+void PadInit(int mode);
+int ResetCallback(void) ;
+int RestartCallback(void) ;
+int StopCallback(void) ;
+int VSync(int mode);
+int VSyncCallback(void (*f)()) ;
+int VSyncCallbacks(int ch, void (*f)()) ;
+long GetVideoMode (void);
+long SetVideoMode (long mode);
+u_long PadRead(int id);
+void PadStop(void);
+#if defined(_LANGUAGE_C_PLUS_PLUS)||defined(__cplusplus)||defined(c_plusplus)
+}
+#endif
+#endif /* _LIBETC_H_ */
+
+

src/etc/intr_vb.c

@@ -0,0 +1,58 @@
+#include "../types.h"
+
+typedef void (*Callback)();
+
+void trapIntrVSync(void);
+void setIntrVSync(int index, Callback callback);
+void memclr(int*, int);
+
+extern void InterruptCallback(int, void*);
+static Callback D_8002D354[8] = {
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL
+};
+volatile int Vcount = 0;
+static volatile u_long* D_8002D378 = 0x1F801114; /* 0x1F801114 - Timer 1 Counter Mode */
+
+void* startIntrVSync(void) {
+    *D_8002D378 = 0x107;
+    Vcount = 0;
+    memclr(&D_8002D354, 8);
+    InterruptCallback(0, &trapIntrVSync);
+    return &setIntrVSync;
+}
+
+static void trapIntrVSync(void) {
+    int i;
+
+    Vcount += 1;
+    (void)Vcount;
+
+    for (i = 0; i < 8; i++) {
+        if (D_8002D354[i] != NULL) {
+            D_8002D354[i]();
+        }
+    }
+}
+
+static void setIntrVSync(int index, Callback callback) {
+    if (callback != D_8002D354[index]) {
+        D_8002D354[index] = callback;
+    }
+}
+
+static void memclr(int* ptr, int size) {
+    int i;
+    int* e = ptr;
+
+    for (i = size - 1; i != -1; i--) {
+        *e = 0;
+        e++;
+    }
+}

src/etc/pad.c

@@ -0,0 +1,20 @@
+#include "../types.h"
+#include <LIBETC.H>
+
+int PadIdentifier;
+static int pad_buf;
+
+void PadInit(int mode) {
+    PadIdentifier = mode;
+    pad_buf = -1;
+    ResetCallback();
+    PAD_init(0x20000001, &pad_buf);
+    ChangeClearPAD(0);
+}
+
+u_long PadRead(int id) {
+    PAD_dr();
+    return ~pad_buf;
+}
+
+void PadStop(void) { StopPAD(); }

src/etc/vmode.c

@@ -0,0 +1,14 @@
+#include "../types.h"
+#include <LIBETC.H>
+
+static long D_8002D3A4 = 0;
+
+long SetVideoMode(long mode) {
+    long prev;
+
+    prev = D_8002D3A4;
+    D_8002D3A4 = mode;
+    return prev;
+}
+
+long GetVideoMode(void) { return D_8002D3A4; }

src/types.h

@@ -10,10 +10,10 @@ typedef unsigned char uint8_t;
 typedef unsigned short uint16_t;
 typedef unsigned int uint32_t;
 typedef unsigned long long uint64_t;
+typedef unsigned long u_long;
 /*
 typedef unsigned char u_char;
 typedef unsigned short u_short;
-typedef unsigned long u_long;
 typedef unsigned int size_t;
 */
 #else