add mmc5 option + fix preprocessor related bug

Boilerplate_mmc5.cfg

@@ -0,0 +1,32 @@
+MEMORY {
+    ZP:     start = $0000,  size = $0100, type = rw, define = yes;
+    OAM:    start = $0200,  size = $0100, type = rw, define = yes;
+    RAM:    start = $0300,  size = $0500, type = rw, define = yes;
+    HEADER: start = $0000,  size = $0010, type = ro, file = %O, fill = yes, fillval = $00;
+    BNK0:   start = $8000,  size = $2000, type = ro, file = %O, fill = yes, fillval = $00, define = yes;
+    BNK1:   start = $A000,  size = $2000, type = ro, file = %O, fill = yes, fillval = $00, define = yes;
+    BNK2:   start = $C000,  size = $2000, type = ro, file = %O, fill = yes, fillval = $00, define = yes;
+    BNK3:   start = $E000,  size = $2000, type = ro, file = %O, fill = yes, fillval = $00, define = yes;
+    CHR:    start = $0000,  size = $2000, type = ro, file = %O, fill = yes, fillval = $00;
+}
+
+SEGMENTS {
+    HEADER:   load = HEADER, type = ro;
+    STARTUP:  load = BNK0, type = ro,  define = yes;
+    LOWCODE:  load = BNK0, type = ro, optional = yes;
+    INIT:     load = BNK0,            type = ro,  define = yes, optional = yes;
+    CODE:     load = BNK0,            type = ro,  define = yes;
+    RODATA:   load = BNK0,            type = ro,  define = yes;
+    DATA:     load = BNK0, run = RAM, type = rw,  define = yes;
+    BNK0:     load = BNK0, type = ro,  start = $8000, optional = yes;
+    BNK1:     load = BNK1, type = ro,  start = $A000, optional = yes;
+    BNK2:     load = BNK2, type = ro,  start = $C000, optional = yes;
+    BNK3:     load = BNK3, type = ro,  start = $E000, optional = yes;
+    LAST_BNK: load = BNK3, type = ro,  start = $E000;
+    VECTORS:  load = BNK3, type = ro,  start = $FFFA;
+    OAM:      load = OAM, type = rw;
+    BSS:      load = RAM, type = bss, define = yes;
+    HEAP:     load = RAM, type = bss, optional = yes;
+    ZEROPAGE: load = ZP,  type = zp;
+    CHARS:    load = CHR, type = ro;
+}

Makefile

@@ -41,6 +41,9 @@ ASM = asm
 # Change this to 0 if you don't want FamiStudio
 FAMISTUDIO = 1
 
+# Change this to 1 if you want the MMC5 mapper
+MMC5 = 0
+
 
 # ! - - - - - - - - - - - - - - - - ! #
 #  DO NOT CHANGE ANYTHING AFTER THIS  #
@@ -74,17 +77,25 @@ $(GAME_NAME)_a.nes:
 # create folder if it does not exist
 	@-if not exist "$(BIN)" ( mkdir "$(BIN)" )
 # assemble main file
-	.\$(CA65) asm/crt0.asm -o $(BIN)/$(GAME_NAME).o --debug-info -DFAMISTUDIO=$(FAMISTUDIO)
+	.\$(CA65) asm/crt0.asm -o $(BIN)/$(GAME_NAME).o --debug-info -DFAMISTUDIO=$(FAMISTUDIO) -DMMC5=$(MMC5)
 # link files
+ifeq ($(MMC5),1)
+	.\$(LD65) $(BIN)/$(GAME_NAME).o -C $(GAME_NAME)_mmc5.cfg -o $(GAME_NAME)_a.nes --dbgfile $(GAME_NAME)_a.DBG
+else
 	.\$(LD65) $(BIN)/$(GAME_NAME).o -C $(GAME_NAME).cfg -o $(GAME_NAME)_a.nes --dbgfile $(GAME_NAME)_a.DBG
+endif
 
 
 # create the nes file from c sources
 $(GAME_NAME)_c.nes: $(addprefix $(BIN)/,$(SRCFILE:.c=.o))
 # assemble main file
-	$(CA65) $(ASM)/crt0.asm -g -o $(BIN)/$(GAME_NAME).o -I$(ASMINC) -DC_CODE -DFAMISTUDIO=$(FAMISTUDIO)
+	$(CA65) $(ASM)/crt0.asm -g -o $(BIN)/$(GAME_NAME).o -I$(ASMINC) -DC_CODE -DFAMISTUDIO=$(FAMISTUDIO) -DMMC5=$(MMC5)
 # link files
+ifeq ($(MMC5),1)
+	$(LD65) $(BIN)/$(GAME_NAME).o $^ -C $(GAME_NAME)_mmc5.cfg -o $@ $(NESLIB) --dbgfile $(GAME_NAME)_c.DBG
+else
 	$(LD65) $(BIN)/$(GAME_NAME).o $^ -C $(GAME_NAME).cfg -o $@ $(NESLIB) --dbgfile $(GAME_NAME)_c.DBG
+endif
 
 
 # assemble object files
@@ -92,7 +103,7 @@ $(BIN)/%.o: $(BIN)/%.asm
 # create folder if it does not exist
 	@-if not exist "$(@D)" ( mkdir "$(@D)" )
 # assemble a file
-	$(CA65) -g -I$(INC) -I$(ASMINC) -o $@ $^ -DC_CODE -DFAMISTUDIO=$(FAMISTUDIO)
+	$(CA65) -g -I$(INC) -I$(ASMINC) -o $@ $^ -DC_CODE -DFAMISTUDIO=$(FAMISTUDIO) -DMMC5=$(MMC5)
 
 
 # compile c files
@@ -100,7 +111,7 @@ $(BIN)/%.asm: %.c
 # create folder if it does not exist
 	@-if not exist "$(@D)" ( mkdir "$(@D)" )
 # compile a file
-	$(CC65) -O -g -I$(INC) -I$(ASM) -o $@ $^ $(NESLIB) --add-source
+	$(CC65) -O -g -I$(INC) -I$(ASM) -o $@ $^ $(NESLIB) --add-source -DFAMISTUDIO=$(FAMISTUDIO) -DMMC5=$(MMC5)
 
 
 # clean object files

README.md

@@ -26,8 +26,9 @@ This project has/can:
 - An IRQ handler (that does nothing, but we need one).
 - Support for the FamiStudio Sound Engine (<https://famistudio.org>)
 - Some defined constant (PPU, APU, etc.).
+- Compile the game with the MMC5 mapper. (<https://www.nesdev.org/wiki/MMC5>)
 
-Note: *This project has no mapper. i.e. it is a NROM game with 32K of PRG and 8K of CHR by default.*
+Note: *This project has by default 32K of PRG and 8K of CHR.*
 
 -----------------
 
@@ -86,7 +87,8 @@ To configure the sources files, you must:
     ```
 
 3. Rename the .cfg file to `your_game_name.cfg`.
-4. *(Optional)* get the FamiStudio Sound Engine
+4. *(Optional)* If you want to use the MMMC5 mapper, rename the mmc5 .cfg file to `your_game_name_mmc5.cfg`. It must end with `_mmc5.cfg`.
+5. *(Optional)* get the FamiStudio Sound Engine
     1. Place the `famistudio_ca65.s` file in `asm/audio/`
     *Note: if you are coding in C, you should include `famistudio_cc65.h` somewhere in your include folder*
     2. in the `crt0.asm` in the FamiStudio section, include your music files. Example:
@@ -198,11 +200,20 @@ You will need to indicate to the Makefile where cc65 and other software programs
     FAMISTUDIO = 1
     ```
 
+- **MMC5**: *(Required)*
+    If you want to use the MMC5 mapper for your game, set this to 1, otherwise set it to 0. Example:
+
+    ```make
+    MMC5 = 0
+    ```
+
 ### **FamiStudio configuration**
 
 You can configure the engine by editing `asm/audio/famistudio_config.asm`.
 If you need help, you can check the FamiStudio documentation: <https://famistudio.org/doc/soundengine>
 
+Note: *The 'FAMISTUDIO_EXP_MMC5' option is configured correctly by default. You do not need to change it*
+
 ## **Building the game**
 
 Note: make sure that you have correctly set up the Makefile and source files.

asm/audio/famistudio_config.asm

@@ -26,7 +26,7 @@
     ; Konami VRC7 (6 FM channels)
     FAMISTUDIO_EXP_VRC7          = 0
     ; Nintendo MMC5 (2 extra squares, extra DPCM not supported)
-    FAMISTUDIO_EXP_MMC5          = 0
+    FAMISTUDIO_EXP_MMC5          = MMC5
     ; Sunsoft S5B (2 extra squares, advanced features not supported.)
     FAMISTUDIO_EXP_S5B           = 0
     ; Famicom Disk System (extra wavetable channel)

asm/audio/music/arpeggio_mmc5.s

@@ -0,0 +1,291 @@
+; This file for the FamiStudio Sound Engine and was generated by FamiStudio
+
+.if FAMISTUDIO_CFG_C_BINDINGS
+.export _music_data_arpeggio_mmc5=music_data_arpeggio_mmc5
+.endif
+
+music_data_arpeggio_mmc5:
+	.byte 1
+	.word @instruments
+	.word @samples-4
+	.word @song0ch0,@song0ch1,@song0ch2,@song0ch3,@song0ch4,@song0ch5,@song0ch6
+	.byte .lobyte(@tempo_env_7_mid), .hibyte(@tempo_env_7_mid), 0, 0
+
+.export music_data_arpeggio_mmc5
+.global FAMISTUDIO_DPCM_PTR
+
+@instruments:
+	.word @env1,@env0,@env3,@env2
+	.word @env5,@env0,@env4,@env2
+
+@samples:
+@env0:
+	.byte $c0,$7f,$00,$00
+@env1:
+	.byte $00,$cc,$c7,$c4,$c2,$c1,$c0,$00,$06
+@env2:
+	.byte $00,$c0,$7f,$00,$01
+@env3:
+	.byte $7f,$00,$00
+@env4:
+	.byte $c2,$7f,$00,$00
+@env5:
+	.byte $07,$c7,$c6,$c6,$c5,$00,$04,$c3,$c2,$c1,$c1,$00,$0a
+@tempo_env_7_mid:
+	.byte $03,$05,$05,$06,$03,$06,$05,$05,$80
+@song0ch0:
+	.byte $f7, $e7, $6b, $f7, $e7, $6b, $f7, $e7, $6b, $f7, $e7
+@song0ch0loop:
+	.byte $6a, .lobyte(@tempo_env_7_mid), .hibyte(@tempo_env_7_mid), $f7, $e7, $6b, $f7, $e7, $6b, $f7, $e7, $6b, $f7, $e7, $6b
+	.byte $f7, $e7, $6b, $f7, $e7, $6b, $f7, $e7, $6b, $f7, $e7
+@song0ref39:
+	.byte $6b
+@song0ref40:
+	.byte $82
+@song0ref41:
+	.byte $3d, $83, $00, $85, $41, $83, $00, $85, $42, $83, $00, $85, $44, $83, $00, $85, $3d, $83, $00, $85, $41, $83, $00, $85
+	.byte $42, $83, $00, $85, $44, $83, $00, $85
+	.byte $ff, $20
+	.word @song0ref41
+@song0ref76:
+	.byte $6b
+@song0ref77:
+	.byte $3a, $83, $00, $85, $3e, $83, $00, $85, $3f, $83, $00, $85, $41, $83, $00, $85, $3a, $83, $00, $85, $3e, $83, $00, $85
+	.byte $3f, $83, $00, $85, $41, $83, $00, $85
+	.byte $ff, $20
+	.word @song0ref77
+	.byte $6b, $80
+	.byte $ff, $20
+	.word @song0ref41
+	.byte $ff, $20
+	.word @song0ref41
+	.byte $ff, $20
+	.word @song0ref76
+	.byte $ff, $20
+	.word @song0ref77
+	.byte $ff, $20
+	.word @song0ref39
+	.byte $ff, $20
+	.word @song0ref41
+	.byte $ff, $20
+	.word @song0ref76
+	.byte $ff, $20
+	.word @song0ref77
+	.byte $6b, $80, $44, $8b, $00, $a7, $44, $8b, $00, $a7, $44, $8b, $00, $a7, $44, $8b, $00, $8b, $44, $8b, $00, $8b, $6b, $41
+	.byte $8b, $00, $a7, $41, $8b, $00, $a7, $41, $8b, $00, $a7, $41, $8b, $00, $8b, $41, $8b, $00, $8b, $6b, $42, $8b, $00, $a7
+	.byte $42, $8b, $00, $a7, $42, $8b, $00, $a7, $42, $8b, $00, $8b, $42, $8b, $00, $8b, $6b, $3f, $8b, $00, $a7, $3f, $8b, $00
+	.byte $a7, $3f, $8b, $00, $a7, $3f, $8b, $00, $8b, $3f, $8b, $00, $8b, $fd
+	.word @song0ch0loop
+@song0ch1:
+@song0ref226:
+	.byte $82
+@song0ref227:
+	.byte $31, $83, $00, $85, $35, $83, $00, $85, $36, $83, $00, $85, $38, $83, $00, $85, $31, $83, $00, $85, $35, $83, $00, $85
+	.byte $36, $83, $00, $85, $38, $83, $00, $85
+	.byte $ff, $20
+	.word @song0ref227
+@song0ref262:
+	.byte $2e, $83, $00, $85, $32, $83, $00, $85, $33, $83, $00, $85, $35, $83, $00, $85, $2e, $83, $00, $85, $32, $83, $00, $85
+	.byte $33, $83, $00, $85, $35, $83, $00, $85
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref262
+@song0ch1loop:
+	.byte $ff, $20
+	.word @song0ref226
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $80, $38, $8b, $00, $a7, $38, $8b, $00, $a7, $38, $8b, $00, $a7, $38, $8b, $00, $8b, $38, $8b, $00, $8b, $35, $8b, $00
+	.byte $a7, $35, $8b, $00, $a7, $35, $8b, $00, $a7, $35, $8b, $00, $8b, $35, $8b, $00, $8b, $36, $8b, $00, $a7, $36, $8b, $00
+	.byte $a7, $36, $8b, $00, $a7, $36, $8b, $00, $8b, $36, $8b, $00, $8b, $33, $8b, $00, $a7, $33, $8b, $00, $a7, $33, $8b, $00
+	.byte $a7, $33, $8b, $00, $8b, $33, $8b, $00, $8b
+	.byte $ff, $20
+	.word @song0ref226
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $80
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref226
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref227
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $ff, $20
+	.word @song0ref262
+	.byte $fd
+	.word @song0ch1loop
+@song0ch2:
+	.byte $f7, $e7, $f7, $e7
+@song0ref483:
+	.byte $80
+@song0ref484:
+	.byte $25, $8b, $29, $8b, $2a, $8b, $2c, $8b, $25, $8b, $29, $8b, $2a, $8b, $2c, $8b, $25, $8b, $29, $8b, $2a, $8b, $2c, $8b
+	.byte $25, $8b, $29, $8b, $2a, $8b, $2c, $8b, $22, $8b, $26, $8b, $27, $8b, $29, $8b, $22, $8b, $26, $8b, $27, $8b, $29, $8b
+	.byte $22, $8b, $26, $8b, $27, $8b, $29, $8b, $22, $8b, $26, $8b, $27, $8b, $29, $8b
+@song0ch2loop:
+	.byte $ff, $40
+	.word @song0ref483
+	.byte $ff, $40
+	.word @song0ref484
+	.byte $ff, $40
+	.word @song0ref484
+	.byte $ff, $40
+	.word @song0ref484
+	.byte $ff, $40
+	.word @song0ref484
+	.byte $ff, $40
+	.word @song0ref484
+	.byte $ff, $40
+	.word @song0ref484
+	.byte $ff, $40
+	.word @song0ref484
+	.byte $ff, $40
+	.word @song0ref484
+	.byte $fd
+	.word @song0ch2loop
+@song0ch3:
+	.byte $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7
+@song0ch3loop:
+	.byte $80
+@song0ref589:
+	.byte $1e, $8b, $00, $8b, $1e, $8b, $00, $8b, $1e, $8b, $00, $8b, $1e, $8b, $00, $8b, $1e, $8b, $1e, $8b, $1e, $8b, $00, $8b
+	.byte $1e, $8b, $00, $a7
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $ff, $1c
+	.word @song0ref589
+	.byte $fd
+	.word @song0ch3loop
+@song0ch4:
+	.byte $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7
+@song0ch4loop:
+@song0ref680:
+	.byte $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7
+	.byte $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7, $fd
+	.word @song0ch4loop
+@song0ch5:
+	.byte $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7
+@song0ch5loop:
+	.byte $ff, $1c
+	.word @song0ref680
+	.byte $85, $82
+@song0ref733:
+	.byte $25, $83, $00, $85, $29, $83, $00, $85, $2a, $83, $00, $85, $2c, $83, $00, $85, $25, $83, $00, $85, $29, $83, $00, $85
+	.byte $2a, $83, $00, $85, $2c, $83, $00, $85
+	.byte $ff, $20
+	.word @song0ref733
+@song0ref768:
+	.byte $22, $83, $00, $85, $26, $83, $00, $85, $27, $83, $00, $85, $29, $83, $00, $85, $22, $83, $00, $85, $26, $83, $00, $85
+	.byte $27, $83, $00, $85, $29, $83, $00, $85
+	.byte $ff, $20
+	.word @song0ref768
+	.byte $ff, $20
+	.word @song0ref733
+	.byte $ff, $20
+	.word @song0ref733
+	.byte $ff, $20
+	.word @song0ref768
+	.byte $ff, $1f
+	.word @song0ref768
+	.byte $fd
+	.word @song0ch5loop
+@song0ch6:
+	.byte $f7, $e7, $f7, $e7, $f7, $e7, $f7, $e7
+@song0ch6loop:
+	.byte $ff, $1c
+	.word @song0ref680
+	.byte $ff, $20
+	.word @song0ref40
+	.byte $ff, $20
+	.word @song0ref41
+	.byte $ff, $20
+	.word @song0ref77
+	.byte $ff, $20
+	.word @song0ref77
+	.byte $ff, $20
+	.word @song0ref41
+	.byte $ff, $20
+	.word @song0ref41
+	.byte $ff, $20
+	.word @song0ref77
+	.byte $ff, $20
+	.word @song0ref77
+	.byte $fd
+	.word @song0ch6loop

asm/constant.asm

@@ -97,3 +97,17 @@ NMI_PLT  = %00001000
 NMI_ATR  = %00000100
 NMI_SPR  = %00000010
 NMI_BKG  = %00000001
+
+
+;----------
+; MMC5
+;----------
+.ifdef MMC5
+MMC5_PRG_MODE := $5100
+MMC5_CHR_MODE := $5101
+MMC5_RAM_BNK  := $5113
+MMC5_PRG_BNK0 := $5114
+MMC5_PRG_BNK1 := $5115
+MMC5_PRG_BNK2 := $5116
+MMC5_PRG_BNK3 := $5117
+.endif

asm/crt0.asm

@@ -12,7 +12,11 @@
     .byte "NES", $1A; 0-3: Header
     .byte $02       ;   4: PRG ROM
     .byte $01       ;   5: CHR ROM
+.if MMC5=1
+    .byte $51       ;   6: Flags 6
+.else
     .byte $01       ;   6: Flags 6
+.endif
     .byte $00       ;   7: Flags 7
     .byte $00       ;   8: Flags 8
     .byte $00       ;   9: Flags 9
@@ -23,23 +27,57 @@
 .include "macro.asm"
 .include "memory.asm"
 
+; This is the code to use when using the MMC5 mapper
+.if MMC5=1
+    .segment "LAST_BNK"
+        ; 6502 vectors subrountines
+        .include "vector/rst.asm"
+        .include "vector/nmi.asm"
+        .include "vector/irq.asm"
 
-.segment "STARTUP"
+    .if FAMISTUDIO=1
-.ifdef C_CODE
+        ; FamiStudio Sound Engine
-_exit:
+        .include "audio/famistudio_config.asm"
-.endif
+        .include "audio/famistudio_ca65.s"
+    .endif
+
+
+    .segment "STARTUP"
+    .ifdef C_CODE
+    _exit:
+    .endif
+
+    .ifndef C_CODE
+        ; main file
+        .include "main.asm"
+    .endif
+
+
+    .segment "BNK1"
+    .if FAMISTUDIO=1
+        ; Musics
+        .include "audio/music/arpeggio_mmc5.s"
+    .endif
+
+
+; This is the code to use when not using any mapper
+.else
+    .segment "STARTUP"
+    .ifdef C_CODE
+    _exit:
+    .endif
 
         ; 6502 vectors subrountines
         .include "vector/rst.asm"
         .include "vector/nmi.asm"
         .include "vector/irq.asm"
 
-.ifndef C_CODE
+    .ifndef C_CODE
         ; main file
         .include "main.asm"
-.endif
+    .endif
 
-.if FAMISTUDIO=1
+    .if FAMISTUDIO=1
         ; FamiStudio Sound Engine
         .include "audio/famistudio_config.asm"
         .include "audio/famistudio_ca65.s"
@@ -47,6 +85,7 @@ _exit:
         ; Musics
         .include "audio/music/arpeggio.s"
 
+    .endif
 .endif
 
 

asm/main.asm

@@ -4,8 +4,13 @@
 
 MAIN:
 .if FAMISTUDIO=1
+    .if MMC5=1
+    LDX #<music_data_arpeggio_mmc5 ; music data (lo)
+    LDY #>music_data_arpeggio_mmc5 ; music data (hi)
+    .else
     LDX #<music_data_arpeggio ; music data (lo)
     LDY #>music_data_arpeggio ; music data (hi)
+    .endif
     LDA #$01 ; NTSC
     JSR famistudio_init
 

asm/vector/rst.asm

@@ -46,6 +46,21 @@ RST:
     STA PPU_CTRL
     STA ppu_ctrl_val
 
+.if MMC5=1
+    ; - - - - - - -
+    ; setup MMC5
+    ; - - - - - - -
+    ; set $8000-9FFF to BNK 0
+    LDA #$80
+    STA MMC5_PRG_BNK0
+    ; set $A000-BFFF to BNK 1
+    LDA #$81
+    STA MMC5_PRG_BNK1
+    ; set $C000-DFFF to BNK 2
+    LDA #$82
+    STA MMC5_PRG_BNK2
+.endif
+
     CLI
 
 .ifdef C_CODE

src/main.c

@@ -1,26 +1,28 @@
 #include "constant.h"
 #include "zp_variables.h"
 #include "ram_variables.h"
+
+#if FAMISTUDIO 1
 #include "famistudio_cc65.h"
 
-// #pragma bss-name(push, "ZEROPAGE")
+#if MMC5 1
-
+extern uint8_t music_data_arpeggio_mmc5[];
-// test variable in zeropage
+#else
-// uint8_t zeroPageVar;
-
-// #pragma bss-name(push, "BSS")
-
-// test variable in RAM
-// uint8_t ramVar;
-
 extern uint8_t music_data_arpeggio[];
+#endif
+
+#endif
 
 void init()
 {
+#if FAMISTUDIO 1
+#if MMC5 1
+    famistudio_init(1, music_data_arpeggio_mmc5);
+#else
     famistudio_init(1, music_data_arpeggio);
+#endif
     famistudio_music_play(0);
-    // zeroPageVar = 0;
+#endif
-    // ramVar = 0;
 }
 
 void loop()
@@ -68,9 +70,7 @@ void loop()
     background[7] = 0x03;
     background[8] = 0x00;
 
-    // inc variables
+    // inc variable
-    // ++zeroPageVar;
-    // ++ramVar;
     ++game_state;
 }
 
@@ -83,7 +83,9 @@ void main()
         while ((nmi_flags & 0x80) == 0)
         {
         }
+#if FAMISTUDIO 1
         famistudio_update();
+#endif
 
         loop();
     }