snapshot

Makefile

@@ -0,0 +1,35 @@
+
+CC65 = ~/dev/cc65/bin
+CAFLAGS = --target apple2enh --list-bytes 0
+CCFLAGS = --config apple2-asm.cfg
+
+OUTDIR = out
+
+TARGETS = \
+	$(OUTDIR)/clock.system.SYS
+
+# For timestamps
+MM = $(shell date "+%m")
+DD = $(shell date "+%d")
+YY = $(shell date "+%y")
+DEFINES = -D DD=$(DD) -D MM=$(MM) -D YY=$(YY)
+
+.PHONY: clean all
+all: $(OUTDIR) $(TARGETS)
+
+$(OUTDIR):
+	mkdir -p $(OUTDIR)
+
+HEADERS = $(wildcard *.inc)
+
+clean:
+	rm -f $(OUTDIR)/*.o
+	rm -f $(OUTDIR)/*.list
+	rm -f $(OUTDIR)/$(TARGETS)
+
+$(OUTDIR)/%.o: %.s $(HEADERS)
+	$(CC65)/ca65 $(CAFLAGS) $(DEFINES) --listing $(basename $@).list -o $@ $<
+
+$(OUTDIR)/%.BIN $(OUTDIR)/%.SYS: $(OUTDIR)/%.o
+	$(CC65)/ld65 $(CCFLAGS) -o $@ $<
+	xattr -wx prodos.AuxType '00 20' $@

da.info

@@ -0,0 +1,8 @@
+GLOBAL {
+  OUTPUTNAME  "clock.system.s";
+  INPUTNAME   "orig/CLOCK.SYSTEM.SYS";
+  STARTADDR   $2000;
+  CPU         "6502";
+};
+
+RANGE { START $2000; END $FFFF; TYPE Code; };