--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/bootstrap.c	Sat Mar 13 00:03:32 2004 +0000
@@ -0,0 +1,99 @@
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include "ipbin.h"
+#include "gui.h"
+
+static char *dc_peripherals[] = { "Uses WinCE", "Unknown (0x0000002)",
+                                  "Unknown (0x0000004)", "Unknown (0x0000008)",
+                                  "VGA Box", "Unknown (0x0000020)",
+                                  "Unknown (0x0000040)", "Unknown (0x0000080)",
+                                  "Other Expansions", "Puru Puru pack",
+                                  "Mike", "Memory card",
+                                  "Basic controller", "C button",
+                                  "D button", "X button",
+                                  "Y button", "Z button",
+                                  "Expanded direction buttons",
+                                  "Analog R trigger", "Analog L trigger",
+                                  "Analog horizontal", "Analog vertical",
+                                  "Expanded analog horizontal",
+                                  "Expanded analog vertical",
+                                  "Gun", "Keyboard", "Mouse" };
+
+static uint32_t compute_crc16( dc_bootstrap_head_t h )
+{
+    /* Note: Algorithm taken from http://mc.pp.se/dc/ip0000.bin.html */
+    uint32_t i, c, n = 0xffff;
+    char *data = h->product_id;
+    for (i = 0; i < 16; i++)
+    {
+        n ^= (data[i]<<8);
+        for (c = 0; c < 8; c++)
+            if (n & 0x8000)
+                n = (n << 1) ^ 4129;
+            else
+                n = (n << 1);
+    }
+    return n & 0xffff;
+}
+
+void parse_ipbin( char *data )
+{
+    struct dc_bootstrap_head *head;
+    int i, got, periph, crc, hcrc;
+    char *prot_symbols;
+    char buf[512];
+
+    /* Dump out the bootstrap metadata table */
+    head = (struct dc_bootstrap_head *)data;
+    prot_symbols = ((char *)data) + 0x3700;
+    memcpy( buf, head->product_name, 128 );
+    for( i=127; i>0 && buf[i] == ' '; i-- );
+    buf[i] = '\0';
+    periph = strtol( head->peripherals, NULL, 16 );
+    INFO( "Bootstrap loaded, Name: %s   Author: %-16.16s",
+          buf, head->vendor_id );
+    sprintf( buf, "%4.4s", head->crc );
+    crc = compute_crc16(head);
+    hcrc = strtol( buf, NULL, 16 );
+    emit( crc == hcrc ? EMIT_INFO : EMIT_WARN, MODULE_ID, 
+          "  Header CRC:   %04X (Computed %04X)", hcrc, crc );
+    INFO( "  Boot File:    %-16.16s", head->boot_file );
+    INFO( "  Product ID:   %-10.10s   Product Ver: %-6.6s   Date: %-8.8s",
+          head->product_id, head->product_ver, head->product_date );
+    INFO( "  Disc ID:      %-11.11s  Regions:      %-8.8s   Peripherals: %07X",
+          head->gdrom_id, head->regions, periph );
+    strcpy( buf, "     Supports: " );
+    got = 0;
+    for( i=0; i<28; i++ ) {
+        if( periph & (1<<i) ){
+            if( got ) strcat( buf, ", " );
+            strcat( buf, dc_peripherals[i] );
+            got = 1;
+        }
+        if( i == 11 ) i = 23; /* Skip 8-23 */
+    }
+    INFO( buf, NULL );
+    strcpy( buf, "     Requires: " );
+    got = 0;
+    for( i=12; i<24; i++ ) {
+        if( periph & (1<<i) ) {
+            if( got ) strcat( buf, ", " );
+            strcat( buf, dc_peripherals[i] );
+            got = 1;
+        }
+    }
+    INFO( buf, NULL );
+#if 0
+    INFO( "  Area protection symbols:", NULL );
+    for( i=0; i<8; i++ )
+        INFO( "    %d: %28.28s", i, &prot_symbols[(i*32)+4] );
+#endif
+}