WIP: Add some gameboy tooling

1 files changed, 50 insertions, 0 deletions

diff --git a/sdcc-sdcc_z80_boN_baN.patch b/sdcc-sdcc_z80_boN_baN.patch
new file mode 100644
index 0000000..0f8db9e
--- /dev/null
+++ b/sdcc-sdcc_z80_boN_baN.patch
@@ -0,0 +1,50 @@
+diff --git a/src/z80/main.c b/src/z80/main.c
+index c0b2450..ef20082 100644
+--- a/src/z80/main.c
++++ b/src/z80/main.c
+@@ -76,20 +76,22 @@ static char _z80n_defaultRules[] = {
+ #include "peeph-z80.rul"
+ #include "peeph-z80n.rul"
+ };
+ 
+ 
+ Z80_OPTS z80_opts;
+ 
+ static OPTION _z80_options[] = {
+   {0, OPTION_CALLEE_SAVES_BC, &z80_opts.calleeSavesBC, "Force a called function to always save BC"},
+   {0, OPTION_PORTMODE,        NULL, "Determine PORT I/O mode (z80/z180)"},
++  {0, OPTION_BO,              NULL, "<num> use code bank <num>"},
++  {0, OPTION_BA,              NULL, "<num> use data bank <num>"},
+   {0, OPTION_ASM,             NULL, "Define assembler name (rgbds/asxxxx/isas/z80asm/gas)"},
+   {0, OPTION_CODE_SEG,        &options.code_seg, "<name> use this name for the code segment", CLAT_STRING},
+   {0, OPTION_CONST_SEG,       &options.const_seg, "<name> use this name for the const segment", CLAT_STRING},
+   {0, OPTION_DATA_SEG,        &options.data_seg, "<name> use this name for the data segment", CLAT_STRING},
+   {0, OPTION_NO_STD_CRT0,     &options.no_std_crt0, "For the z80/gbz80 do not link default crt0.rel"},
+   {0, OPTION_RESERVE_IY,      &z80_opts.reserveIY, "Do not use IY (incompatible with --fomit-frame-pointer)"},
+   {0, OPTION_OLDRALLOC,       &options.oldralloc, "Use old register allocator (deprecated)"},
+   {0, OPTION_FRAMEPOINTER,    &z80_opts.noOmitFramePtr, "Do not omit frame pointer"},
+   {0, OPTION_EMIT_EXTERNS,    NULL, "Emit externs list in generated asm"},
+   {0, OPTION_LEGACY_BANKING,  &z80_opts.legacyBanking, "Use legacy method to call banked functions"},
+@@ -570,21 +572,21 @@ _gbz80_rgblink (void)
+       exit (1);
+     }
+   Safe_free (buffer);
+ }
+ 
+ static bool
+ _parseOptions (int *pargc, char **argv, int *i)
+ {
+   if (argv[*i][0] == '-')
+     {
+-      if (IS_GB)
++      if (IS_GB || IS_Z80)
+         {
+           if (!strncmp (argv[*i], OPTION_BO, sizeof (OPTION_BO) - 1))
+             {
+               /* ROM bank */
+               int bank = getIntArg (OPTION_BO, argv, i, *pargc);
+               struct dbuf_s buffer;
+ 
+               dbuf_init (&buffer, 16);
+               if (_G.asmType == ASM_TYPE_RGBDS)
+                 {