Fix: use md5sum file instead of direct bin comparison

git lfs apparently is broken when repo is cloned in pipeline

Author: giuliof

Makefile

@@ -6,6 +6,8 @@ QUIET	:=	@
 ASM     := cpm_bios.asm
 ASM     += cpm_loader.asm
 
+CHK_FILENAME := md5sum.txt
+
 BIN     := $(patsubst %.asm, build/%.bin, $(ASM))
 
 CHK     := $(patsubst %.asm, %.chk, $(ASM))
@@ -28,7 +30,7 @@ build/%.bin: %.asm
 
 %.chk: %.bin build/%.bin
 	$(ECHO) '	SUM $<'
-	$(QUIET) diff build/$< $<
+	$(QUIET) grep "`md5sum "$<"`" $(CHK_FILENAME) > /dev/null
 
 .PHONY: clean
 clean:

md5sum.txt

@@ -0,0 +1,5 @@
+693bf120db1da0eca0a4de357a585429  cpm_bdos.bin
+9a9b24ada6f7a7c7fac043b2c63fb5f8  cpm_bios.bin
+dac6ab0d6a412ad2486fa4f896f00289  cpm_ccp.bin
+bd40b337ba7a9b538407c2d6ac188e7a  cpm_loader.bin
+a308d97bfa7e96f3185084bde76a36bc  SANCO8003_CPM_2.2fr.bin