added/updated Makefiles, preparing for CI (later)

testcode/lib/atari/Makefile

@@ -1,24 +1,53 @@
 
+# Just the usual way to find out if we're
+# using cmd.exe to execute make rules.
+ifneq ($(shell echo),)
+  CMD_EXE = 1
+endif
+
+ifdef CMD_EXE
+  NULLDEV = nul:
+  DEL = -del /f
+  RMDIR = rmdir /s /q
+else
+  NULLDEV = /dev/null
+  DEL = $(RM)
+  RMDIR = $(RM) -r
+endif
+
+ifdef CC65_HOME
+  AS = $(CC65_HOME)/bin/ca65
+  CC = $(CC65_HOME)/bin/cc65
+  CL = $(CC65_HOME)/bin/cl65
+  LD = $(CC65_HOME)/bin/ld65
+else
+  AS := $(if $(wildcard ../../../bin/ca65*),../../../bin/ca65,ca65)
+  CC := $(if $(wildcard ../../../bin/cc65*),../../../bin/cc65,cc65)
+  CL := $(if $(wildcard ../../../bin/cl65*),../../../bin/cl65,cl65)
+  LD := $(if $(wildcard ../../../bin/ld65*),../../../bin/ld65,ld65)
+endif
+
 all: charmapping.xex defdev.xex displaylist.xex mem.xex multi.xex ostype.xex \
 	scrcode.com sys.xex
 
 charmapping.xex: charmapping.c
-	cl65 -t atari -o charmapping.xex charmapping.c
+	$(CL) -t atari -o charmapping.xex charmapping.c
 defdev.xex: defdev.c
-	cl65 -t atari -o defdev.xex defdev.c
+	$(CL) -t atari -o defdev.xex defdev.c
 displaylist.xex: displaylist.c
-	cl65 -t atari -o displaylist.xex displaylist.c
+	$(CL) -t atari -o displaylist.xex displaylist.c
 mem.xex: mem.c ../getsp.s
-	cl65 -t atari -o mem.xex mem.c ../getsp.s
+	$(CL) -t atari -o mem.xex mem.c ../getsp.s
 multi.xex: multi-xex.s multi-xex.cfg
-	cl65 -t atari -C multi-xex.cfg multi-xex.s -o multi.xex
+	$(CL) -t atari -C multi-xex.cfg multi-xex.s -o multi.xex
 ostype.xex: ostype.c
-	cl65 -t atari -o ostype.xex ostype.c
+	$(CL) -t atari -o ostype.xex ostype.c
 scrcode.com: scrcode.s
-	ca65 -t atari -o scrcode.o scrcode.s
-	ld65 -C atari-asm.cfg -o scrcode.com scrcode.o
+#	ca65 -t atari -o scrcode.o scrcode.s
+#	ld65 -C atari-asm.cfg -o scrcode.com scrcode.o
+	$(CL) -t atari -C atari-asm.cfg -o scrcode.com scrcode.s
 sys.xex: sys.c
-	cl65 -t atari -o sys.xex sys.c
+	$(CL) -t atari -o sys.xex sys.c
 
 clean:
 	$(RM) charmapping.xex