From d46862a5bd2319c595b11427f781201ca063d194 Mon Sep 17 00:00:00 2001
From: Thomas Albers Raviola <thomas@thomaslabs.org>
Date: Tue, 3 Dec 2024 21:45:47 +0100
Subject: Add bootloader

---
 Makefile | 37 ++++++++++++++++++++-----------------
 1 file changed, 20 insertions(+), 17 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index b1b2c0d..ea09b19 100644
--- a/Makefile
+++ b/Makefile
@@ -15,14 +15,16 @@ SRC=font.c\
 	tty.c\
 	menu.c
 
-OBJ=$(ASM:%.asm=build/%.rel)\
-	$(SRC:%.c=build/%.rel)
+INCLUDE=include
+BUILD=build
 
-IHX=build/$(PROJECT).ihx
-TARGET=build/$(PROJECT).hex
-BOOTLOADER=build/boot/bootloader.hex
+OBJ=$(ASM:%.asm=$(BUILD)/%.rel)\
+	$(SRC:%.c=$(BUILD)/%.rel)
+
+IHX=$(BUILD)/$(PROJECT).ihx
+TARGET=$(BUILD)/$(PROJECT).hex
+BOOTLOADER=$(BUILD)/boot/bootloader.hex
 
-INCLUDE=include
 CFLAGS=-mz80 -I$(INCLUDE) --Werror
 LDFLAGS=-mz80 --no-std-crt0\
 		--code-loc 0x0100\
@@ -34,17 +36,17 @@ ROM_CHIP=AT28C256
 
 all : $(TARGET)
 
-$(OBJ): | build
+$(OBJ): | $(BUILD)
 
-build:
-	@mkdir -p build
+$(BUILD):
+	@mkdir -p $(BUILD)
 
-build/%.rel : asm/%.asm
+$(BUILD)/%.rel : asm/%.asm
 	@echo '  (AS)' $<
-	@$(CPP) -P -I$(INCLUDE) -DASSEMBLY $< > build/$(notdir $<)
-	@$(AS) -g -o $@ build/$(notdir $<)
+	@$(CPP) -P -I$(INCLUDE) -DASSEMBLY $< > $(BUILD)/$(notdir $<)
+	@$(AS) -g -o $@ $(BUILD)/$(notdir $<)
 
-build/%.rel : src/%.c
+$(BUILD)/%.rel : src/%.c
 	@echo '  (CC)' $<
 	@$(CC) $(CFLAGS) -c -o $@ $<
 
@@ -54,15 +56,16 @@ $(IHX) : $(OBJ)
 
 $(TARGET) : $(IHX) $(BOOTLOADER)
 	@hex2bin.py -l 32768 $< $@
-	@dd if=$(BOOTLOADER) of=$@ obs=1024 seek=28 conv=notrunc
+	@dd if=$(BOOTLOADER) of=$@ obs=1024 seek=28 conv=notrunc 2>/dev/null
 
+.PHONY : $(BOOTLOADER)
 $(BOOTLOADER) :
-	make -C boot
+	@make -C boot
 
-.PHONE : flash
+.PHONY : flash
 flash :
 	@minipro -y -sp $(ROM_CHIP) -w $(TARGET)
 
 .PHONY : clean
 clean :
-	@find build -type f -delete
+	@find $(BUILD) -type f -delete
-- 
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