Add BB-RAM stuff

The SRAM stuff is kinda jank.  Mesen saves disk modifications as .ips
patches.  Which is painful.  The BB-RAM ROM is patched with this
modification and disassembled.

Makefile

@@ -9,6 +9,10 @@ all: dasm/ bins/ labels/ \
 	 dasm/dk3.asm \
 	 dasm/dk3_file3.asm \
 	 dasm/dk3_file4-post-copy.asm \
+	 dasm/sf_bb-ram_precopy.asm \
+	 dasm/sf_bb-ram_postcopy.asm \
+	 dasm/sf_bb-ram_save_precopy.asm \
+	 dasm/sf_bb-ram_save_postcopy.asm \
 	 dasm/sf_rom-qd_file1_precopy.asm \
 	 dasm/sf_rom-qd_file1_postcopy.asm \
 	 dasm/sf_slow_rom-qd_file1_precopy.asm \
@@ -36,6 +40,9 @@ dasm/sf_slow_rom_file1_postcopy.asm:    bins/sf_slow_rom_file1.bin
 dasm/sf_slow_qd_file1_precopy.asm:      bins/sf_slow_qd_file1.bin
 dasm/sf_slow_qd_file1_postcopy.asm:     bins/sf_slow_qd_file1.bin
 dasm/sf_slow_rom-qd_postromcopy.asm:    bins/sf_slow_rom-qd_file1.bin
+dasm/sf_bb-ram_precopy.asm:             bins/sf_bb-ram_file1.bin
+dasm/sf_bb-ram_postcopy.asm:            bins/sf_bb-ram_file1.bin
+dasm/sf_bb-ram_save_precopy.asm:        bins/sf_bb-ram_save_file1.bin
 
 clean:
 	-rm dasm/* bins/* labels/*
@@ -43,6 +50,9 @@ clean:
 %/:
 	-mkdir $@
 
+roms/sf_bb-ram_save.fds: roms/sf_bb-ram_save.ips roms/sf_bb-ram.fds
+	flips --apply $^ $@
+
 dasm/dk3_rom.asm: bins/dk3_file2.bin bins/dk3_file3.bin dk3_rom.cfg
 	tail -c 6144  bins/dk3_file2.bin >  bins/dk3_rom.bin
 	cat           bins/dk3_file3.bin >> bins/dk3_rom.bin
@@ -67,6 +77,9 @@ dk3_file4-post-copy.cfg.tmp: dk3_file4-post-copy.cfg rom-qd.cfg labels.cfg
 labels/%.mlb: %.cfg.tmp
 	dasm2mlb $^ $@ --rom-start 0xE000 --ram-start 0x5000
 
+bins/sf_bb-ram_file1.bin: roms/sf_bb-ram.fds
+	fdsextract --side 0 --file-num 1 --output $@ $^
+
 bins/dk3_file2.bin: roms/sf_dk3.fds
 	fdsextract --side 0 --file-num 2 --output $@ $^
 

sf_bb-ram_postcopy.cfg

@@ -0,0 +1,41 @@
+global {
+    cpu "6502";
+    inputname "bins/sf_bb-ram_file1.bin";
+    startaddr $5100;
+    inputoffs $0800;
+    commentcolumn 50;
+    comments 3;
+};
+
+label { addr  $5100; name "BB_PostCopy_Entry"; };
+label { addr  $5103; name "MenuLoop"; };
+label { addr  $5147; name "BB_ScreenSaveError"; };
+label { addr  $516B; name "BB_ScreenEjectDisk"; };
+label { addr  $51D4; name "BB_ScreenSetDisk"; };
+label { addr  $5211; name "BB_FormatDisk"; };
+label { addr  $529C; name "BB_SramCopy"; };
+label { addr  $52C7; name "BB_Xfer"; paramsize 3; };
+label { addr  $535C; name "BB_FDS_ResetIO"; };
+label { addr  $5367; name "BB_ScreenSaveWait"; };
+label { addr  $5386; name "BB_VRAMStructWrite"; };
+label { addr  $5156; name "BB_NextDisk"; };
+
+label { addr  $5391; name "cv5391"; size 2; };
+
+range { start $51BA; end $51BB; type addrtable; };
+range { start $51BC; end $51D3; type bytetable; };
+
+range { start $51F7; end $51F8; type addrtable; };
+range { start $51F9; end $5210; type bytetable; };
+
+range { start $5384; end $5385; type addrtable; };
+range { start $539D; end $53B4; type bytetable; };
+
+#range { start $53B3; end $53B4; type addrtable; };
+#range { start $53B5; end $53CC; type bytetable; };
+
+range { start $518E; end $518F; type addrtable; };
+range { start $5190; end $51A7; type bytetable; };
+
+range { start $5250; end $529B; type bytetable; };
+range { start $52A3; end $52C6; name "SramCopy_Structs"; type bytetable; unit 4; };

sf_bb-ram_precopy.cfg

@@ -0,0 +1,27 @@
+global {
+    cpu "6502";
+    inputname "bins/sf_bb-ram_file1.bin";
+    startaddr $D000;
+    commentcolumn 50;
+    comments 3;
+};
+
+label { addr  $DE00; name "BB_Reset"; };
+label { addr  $DFC0; name "BB_NMI"; };
+label { addr  $DFF0; name "BB_EmptyVector"; };
+label { addr  $DE24; name "BB_InitScreen"; };
+label { addr  $DE05; name "loop_outer"; };
+label { addr  $DE07; name "loop_inner"; };
+label { addr  $DDFF; name "var_Counter"; };
+
+
+range { start $D000; end $D7FF; name "Garbo_Probably"; type bytetable; };
+range { start $D800; end $DDFF; name "CopiedCode"; type bytetable; };
+range { start $DE00; end $DE21; type code; };
+range { start $DE69; end $DFBF; type bytetable; };
+
+range { start $DFE3; end $DFEF; type bytetable; };
+
+range { start $DFC0; end $DFE0; type code; };
+range { start $DFF1; end $DFF5; type bytetable; };
+

sf_bb-ram_save_postcopy.cfg

@@ -0,0 +1,22 @@
+global {
+    cpu "6502";
+    inputname "bins/sf_bb-ram_save_file1.bin";
+    startaddr $5100;
+    inputoffs $2000;
+    commentcolumn 50;
+    comments 3;
+};
+
+label { addr  $5100; name "BB_PostCopy_Entry"; };
+label { addr  $51E0; name "BB_FDS_ResetIO"; };
+label { addr  $514B; name "BB_Xfer"; paramsize 3; }; 
+label { addr  $5124; name "doXfer"; };
+label { addr  $511E; name "BB_ClearReg"; };
+label { addr  $5120; name "BB_SetReg"; };
+
+range { start $512B; end $514A; type bytetable; unit 4; };
+
+range { start $514B; end $51DF; type code; };
+
+range { start $51E0; end $51E4; type code; };
+range { start $51EB; end $51F6; type bytetable; };

sf_bb-ram_save_precopy.cfg

@@ -0,0 +1,16 @@
+global {
+    cpu "6502";
+    inputname "bins/sf_bb-ram_save_file1.bin";
+    startaddr $B800;
+    commentcolumn 50;
+    comments 3;
+};
+
+label { addr  $DFF0; name "BB_EmptyVector"; };
+label { addr  $DFD0; name "BB_PreCopy_Entry"; };
+label { addr  $DFD5; name "loop_outer"; };
+label { addr  $DFD7; name "loop_inner"; };
+
+range { start $B800; end $DFCF; type bytetable; };
+range { start $DFD0; end $DFEB; type code; };
+

sf_rom-qd_file1_precopy.cfg

@@ -6,7 +6,6 @@ global {
     comments 3;
 };
 
-
 range { start $DFE3; end $DFEF; type bytetable; };
 range { start $DFC0; end $DFE0; type code; name "LDFC0_reset"; };
 range { start $DF00; end $DF1B; type code; };