WIP: Add some gameboy tooling

1 files changed, 163 insertions, 0 deletions

diff --git a/sdcc-makebin-nogogo-v2-bool.patch b/sdcc-makebin-nogogo-v2-bool.patch
new file mode 100644
index 0000000..816a8b1
--- /dev/null
+++ b/sdcc-makebin-nogogo-v2-bool.patch
@@ -0,0 +1,163 @@
+diff --git a/support/makebin/makebin.c b/support/makebin/makebin.c
+index ed41d3d..ed17286 100644
+--- a/support/makebin/makebin.c
++++ b/support/makebin/makebin.c
+@@ -20,20 +20,21 @@
+      in a product, an acknowledgment in the product documentation would be
+      appreciated but is not required.
+   2. Altered source versions must be plainly marked as such, and must not be
+      misrepresented as being the original software.
+   3. This notice may not be removed or altered from any source distribution.
+ */
+ 
+ 
+ #include <stdio.h>
+ #include <stdlib.h>
++#include <stdbool.h>
+ #include <string.h>
+ #include <ctype.h>
+ 
+ #if defined(_WIN32)
+ #include <fcntl.h>
+ #include <io.h>
+ #else
+ #include <unistd.h>
+ #endif
+ 
+@@ -109,20 +110,21 @@ usage (void)
+            "  -ya n          number of ram banks (default: 0)\n"
+            "  -yt n          MBC type (default: no MBC)\n"
+            "  -yl n          old licensee code (default: 0x33)\n"
+            "  -yk cc         new licensee string (default: 00)\n"
+            "  -yn name       cartridge name (default: none)\n"
+            "  -yc            GameBoy Color compatible\n"
+            "  -yC            GameBoy Color only\n"
+            "  -ys            Super GameBoy\n"
+            "  -yS            Convert .noi file named like input file to .sym\n"
+            "  -yj            set non-Japanese region flag\n"
++           "  -yN            do not copy big N validation logo into ROM header\n"
+            "  -yp addr=value Set address in ROM to given value (address 0x100-0x1FE)\n"
+            "Arguments:\n"
+            "  <in_file>      optional IHX input file, '-' means stdin. (default: stdin)\n"
+            "  <out_file>     optional output file, '-' means stdout. (default: stdout)\n");
+ }
+ 
+ #define CART_NAME_LEN 16
+ 
+ struct gb_opt_s
+ {
+@@ -130,20 +132,21 @@ struct gb_opt_s
+   char licensee_str[2];           /* new licensee string */
+   BYTE mbc_type;                  /* MBC type (default: no MBC) */
+   short nb_rom_banks;             /* Number of rom banks (default: 2) */
+   BYTE nb_ram_banks;              /* Number of ram banks (default: 0) */
+   BYTE licensee_id;               /* old licensee code */
+   BYTE is_gbc;                    /* 1 if GBC compatible, 2 if GBC only, false for all other*/
+   BYTE is_sgb;                    /* True if SGB, false for all other*/
+   BYTE sym_conversion;            /* True if .noi file should be converted to .sym (default false)*/
+   BYTE non_jp;                    /* True if non-Japanese region, false for all other*/
+   BYTE rom_banks_autosize;        /* True if rom banks should be auto-sized (default false)*/
++  bool do_logo_copy;              /* True if the nintendo logo should be copied into the ROM (default true) */
+   BYTE address_overwrite[16];     /* For limited compatibility with very old versions */
+ };
+ 
+ struct sms_opt_s
+ {
+   BYTE rom_size;                  /* Doesn't have to be the real size, needed for checksum */
+   BYTE region_code;               /* Region code Japan/Export/International and SMS/GG */
+   BYTE version;                   /* Game version */
+ };
+ 
+@@ -158,21 +161,24 @@ gb_postproc (BYTE * rom, int size, int *real_size, struct gb_opt_s *o)
+       0x00, 0x08, 0x11, 0x1f, 0x88, 0x89, 0x00, 0x0e,
+       0xdc, 0xcc, 0x6e, 0xe6, 0xdd, 0xdd, 0xd9, 0x99,
+       0xbb, 0xbb, 0x67, 0x63, 0x6e, 0x0e, 0xec, 0xcc,
+       0xdd, 0xdc, 0x99, 0x9f, 0xbb, 0xb9, 0x33, 0x3e
+     };
+ 
+   /* $0104-$0133: Nintendo logo
+    * If missing, an actual Game Boy won't run the ROM.
+    */
+ 
+-  memcpy (&rom[0x104], gb_logo, sizeof (gb_logo));
++  if (o->do_logo_copy)
++    {
++      memcpy (&rom[0x104], gb_logo, sizeof (gb_logo));
++    }
+ 
+   rom[0x144] = o->licensee_str[0];
+   rom[0x145] = o->licensee_str[1];
+ 
+   /*
+    * 0134-0142: Title of the game in UPPER CASE ASCII. If it
+    * is less than 16 characters then the
+    * remaining bytes are filled with 00's.
+    */
+ 
+@@ -682,22 +688,38 @@ int
+ main (int argc, char **argv)
+ {
+   int size = 32768, pack = 0, real_size = 0, i = 0;
+   char *token;
+   BYTE *rom;
+   FILE *fin, *fout;
+   char *filename = NULL;
+   int ret;
+   int gb = 0;
+   int sms = 0;
+-  struct gb_opt_s gb_opt = { "", {'0', '0'}, 0, 2, 0, 0x33, 0, 0, 0, 0, 0, {0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0}};
+-  struct sms_opt_s sms_opt = { 0xa, 7, 0 };
++
++  struct gb_opt_s gb_opt = {.cart_name="",
++                            .licensee_str={'0', '0'},
++                            .mbc_type=0,
++                            .nb_rom_banks=2,
++                            .nb_ram_banks=0,
++                            .licensee_id=0x33,
++                            .is_gbc=0,
++                            .is_sgb=0,
++                            .sym_conversion=0,
++                            .non_jp=0,
++                            .rom_banks_autosize=0,
++                            .do_logo_copy=true,
++                            .address_overwrite={0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0, 0xFF, 0} };
++
++  struct sms_opt_s sms_opt = {.rom_size=0xa,
++                              .region_code=7,
++                              .version=0 };
+ 
+ #if defined(_WIN32)
+   setmode (fileno (stdout), O_BINARY);
+ #endif
+ 
+   while (*++argv && '-' == argv[0][0] && '\0' != argv[0][1])
+     {
+       switch (argv[0][1])
+         {
+         case 's':
+@@ -794,20 +816,24 @@ main (int argc, char **argv)
+               break;
+ 
+             case 'c':
+               gb_opt.is_gbc = 1;
+               break;
+ 
+             case 'C':
+               gb_opt.is_gbc = 2;
+               break;
+ 
++            case 'N':
++              gb_opt.do_logo_copy = false; // when switch is present, turn off logo copy
++              break;
++
+             case 's':
+               gb_opt.is_sgb = 1;
+               break;
+ 
+             case 'S':
+               gb_opt.sym_conversion = 1;
+               break;
+ 
+             case 'j':
+               gb_opt.non_jp = 1;
+