Initial commit

Makefile

@@ -0,0 +1,57 @@
+#---------------------------------------------------------------------------------
+# Simple GBA Makefile for Second London Baptist Confession
+#---------------------------------------------------------------------------------
+
+PREFIX := arm-none-eabi-
+CC := $(PREFIX)gcc
+AS := $(PREFIX)as
+OBJCOPY := $(PREFIX)objcopy
+
+TARGET := confession
+SOURCES := confession.c crt0.s
+
+CFLAGS := -mthumb -mthumb-interwork -mcpu=arm7tdmi -mtune=arm7tdmi -O2 -Wall
+ASFLAGS := -mcpu=arm7tdmi
+LDFLAGS := -mthumb -mthumb-interwork -nostartfiles -Tlinker.ld
+
+OBJS := confession.o crt0.o
+
+.PHONY: all clean
+
+all: $(TARGET).gba
+
+$(TARGET).gba: $(TARGET).elf
+	@echo "Creating GBA ROM..."
+	$(OBJCOPY) -v -O binary $< $@
+	@if command -v gbafix >/dev/null 2>&1; then \
+		echo "Using gbafix to fix header..."; \
+		gbafix $@; \
+	else \
+		echo "gbafix not found, using Python script..."; \
+		python3 fix_header.py $@ || echo "Manual header fix failed - ROM may not load"; \
+	fi
+	@echo "Built $(TARGET).gba successfully!"
+
+$(TARGET).elf: crt0.o confession.o
+	@echo "Linking..."
+	$(CC) $(LDFLAGS) crt0.o confession.o -o $@
+
+confession.o: confession.c
+	@echo "Compiling confession.c..."
+	$(CC) $(CFLAGS) -c $< -o $@
+
+crt0.o: crt0.s
+	@echo "Assembling crt0.s..."
+	$(AS) $(ASFLAGS) $< -o $@
+
+clean:
+	@echo "Cleaning..."
+	rm -f *.o *.elf *.gba *.map
+	@echo "Clean complete."
+
+# Help target
+help:
+	@echo "Available targets:"
+	@echo "  all     - Build the GBA ROM (default)"
+	@echo "  clean   - Remove all built files"
+	@echo "  help    - Show this help message"