From 779b9834e30de1ba0b4f0755388bebd0c45aa1dc Mon Sep 17 00:00:00 2001
From: Thomas Albers Raviola <thomas@thomaslabs.org>
Date: Wed, 12 Feb 2025 01:27:44 +0100
Subject: Restructure rom image and use dependencies for makefiles

---
 Makefile | 68 ++++++++++++++++++----------------------------------------------
 1 file changed, 19 insertions(+), 49 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index ea09b19..0040ed2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,66 +1,34 @@
-PROJECT=firmware
+export PROJECT_ROOT=$(abspath .)
 
-AS=sdasz80
-CC=sdcc
-CPP=sdcpp
-
-ASM=crt0.asm\
-	isr.asm\
-	delay.asm
-SRC=font.c\
-	i2c.c\
-	input.c\
-	main.c\
-	tft.c\
-	tty.c\
-	menu.c
-
-INCLUDE=include
 BUILD=build
 
-OBJ=$(ASM:%.asm=$(BUILD)/%.rel)\
-	$(SRC:%.c=$(BUILD)/%.rel)
-
-IHX=$(BUILD)/$(PROJECT).ihx
-TARGET=$(BUILD)/$(PROJECT).hex
+TARGET=$(BUILD)/rom.hex
 BOOTLOADER=$(BUILD)/boot/bootloader.hex
+FIRMWARE=$(BUILD)/firmware.hex
 
-CFLAGS=-mz80 -I$(INCLUDE) --Werror
-LDFLAGS=-mz80 --no-std-crt0\
-		--code-loc 0x0100\
-		--data-loc 0x8010\
-		-Wl-b_ISR_TABLE=0x0070\
-		-Wl-b_GSINIT=0x0080
+CODE_LOC=0x8100
+DATA_LOC=0xC000
+STACK_LOC=0x0000
+GSINIT_LOC=0x8080
 
 ROM_CHIP=AT28C256
 
-all : $(TARGET)
-
-$(OBJ): | $(BUILD)
+DIRS=$(addprefix $(BUILD)/,asm src)
 
-$(BUILD):
-	@mkdir -p $(BUILD)
+ASM=$(wildcard asm/*.asm)
+SRC=$(wildcard src/*.c)
 
-$(BUILD)/%.rel : asm/%.asm
-	@echo '  (AS)' $<
-	@$(CPP) -P -I$(INCLUDE) -DASSEMBLY $< > $(BUILD)/$(notdir $<)
-	@$(AS) -g -o $@ $(BUILD)/$(notdir $<)
-
-$(BUILD)/%.rel : src/%.c
-	@echo '  (CC)' $<
-	@$(CC) $(CFLAGS) -c -o $@ $<
-
-$(IHX) : $(OBJ)
-	@echo '  (LD)' $(OBJ)
-	@$(CC) $(LDFLAGS) -o $@ $(OBJ)
+all : $(TARGET)
 
-$(TARGET) : $(IHX) $(BOOTLOADER)
-	@hex2bin.py -l 32768 $< $@
-	@dd if=$(BOOTLOADER) of=$@ obs=1024 seek=28 conv=notrunc 2>/dev/null
+$(TARGET) : $(BOOTLOADER) $(FIRMWARE)
+	cat $^ > $@
+	cp $(BOOTLOADER) /tmp/rom.hex
+	dd if=$(FIRMWARE) of=/tmp/rom.hex obs=4096 seek=3 conv=notrunc 2>/dev/null
+	mv /tmp/rom.hex $@
 
 .PHONY : $(BOOTLOADER)
 $(BOOTLOADER) :
-	@make -C boot
+	make -C boot
 
 .PHONY : flash
 flash :
@@ -69,3 +37,5 @@ flash :
 .PHONY : clean
 clean :
 	@find $(BUILD) -type f -delete
+
+include include.mk
-- 
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