Initial commit

2026-09-28 13:17:35 +02:00
commit 67ec3c9a65
7 changed files with 403 additions and 0 deletions
@@ -0,0 +1,56 @@
+TARGET              := monitor
+BUILDDIR            := build
+
+METAL_C_SRCFILES    := $(wildcard *.c)
+METAL_ASM_SRCFILES  := $(wildcard *.asm)
+METAL_RELFILES      := $(METAL_ASM_SRCFILES:%.asm=$(BUILDDIR)/metal/%.rel) \
+                       $(METAL_C_SRCFILES:%.c=$(BUILDDIR)/metal/%.rel)
+
+MUSIC_FILE			:= updraft_flight
+
+METAL_CC            := sdcc
+METAL_AS            := sdasz80
+METAL_MAKEBIN       := makebin
+METAL_FLAGS         := -mz80 --no-std-crt0 --code-loc 0x0080 --data-loc 0x8000
+METAL_CPPFLAGS      := -I src -I $(BUILDDIR)/metal/generated --disable-warning 283
+METAL_BIN_SIZE      := 32768
+METAL_RAM_SIZE      := 32768
+
+.DEFAULT_GOAL       := metal
+
+.PHONY: all metal clean
+
+all: metal
+
+metal: $(BUILDDIR)/metal/$(TARGET).ihx $(BUILDDIR)/metal/$(TARGET).bin $(BUILDDIR)/metal/$(TARGET).prog.bin
+	@awk -v rom_capacity=$(METAL_BIN_SIZE) -v ram_capacity=$(METAL_RAM_SIZE) '\
+		$$1 ~ /^_(CODE|HOME|GSINIT|GSFINAL|INITIALIZER|ITABLE[0-7]*)$$/ { rom += $$5 } \
+		$$1 ~ /^_(DATA|INITIALIZED|BSEG|BSS|HEAP|STACK)$$/ { ram += $$5 } \
+		END { \
+			printf "\nMemory usage:\n"; \
+			printf "  ROM: %5u / %5u bytes (%5.1f%%), %5u bytes free\n", rom, rom_capacity, 100 * rom / rom_capacity, rom_capacity - rom; \
+			printf "  RAM: %5u / %5u bytes (%5.1f%%), %5u bytes free\n", ram, ram_capacity, 100 * ram / ram_capacity, ram_capacity - ram; \
+		}' $(BUILDDIR)/metal/$(TARGET).map
+
+$(BUILDDIR)/metal/$(TARGET).ihx: $(METAL_RELFILES)
+	@mkdir -p $(@D)
+	$(METAL_CC) $(METAL_FLAGS) -o $@ $(METAL_RELFILES)
+
+$(BUILDDIR)/metal/$(TARGET).bin: $(BUILDDIR)/metal/$(TARGET).ihx
+	$(METAL_MAKEBIN) -s $(METAL_BIN_SIZE) $< $@
+
+$(BUILDDIR)/metal/$(TARGET).prog.bin: $(BUILDDIR)/metal/$(TARGET).ihx
+	$(METAL_MAKEBIN) -p $< $@
+
+$(BUILDDIR)/metal/%.rel: %.c
+	@mkdir -p $(@D)
+	$(METAL_CC) $(METAL_FLAGS) $(METAL_CPPFLAGS) -o $@ -c $<
+
+$(BUILDDIR)/metal/%.rel: %.asm
+	@mkdir -p $(@D)
+	$(METAL_AS) -plosgff -o $@ $<
+
+clean:
+	rm -rf $(BUILDDIR)
+
+-include $(EMU_DEPFILES)