add makefile to flash program

pic/318LPW1K-L/Makefile

@@ -0,0 +1,22 @@
+TARGET = 318LPW1K-L
+PIC = 12f629
+
+all: off flash on
+
+flash: $(TARGET).hex
+	pk2cmd -PPIC$(PIC) -F$< -M
+
+# power on
+on:
+	pk2cmd -PPIC$(PIC) -T
+
+# power off
+off:
+	pk2cmd -PPIC$(PIC) -V0
+
+# compile source code
+%.hex: %.c
+	sdcc --std-c99 --opt-code-size --use-non-free -mpic14 -p$(PIC) $<
+
+clean:
+	rm -f $(TARGET).hex $(TARGET).lst $(TARGET).asm $(TARGET).adb $(TARGET).o $(TARGET).cod