SRC := bioskrnl.180 boot.180 stampf.180 chario.180 drvtbl.180
SRC += move.180 time.180 mm.180 misc.180 utils.180 fifo.180
SRC += msgbuf.180 conbuf.180 ascii.180
SRC += sdio.180 cfio.180
SRC += scb.180
ALLSRC := $(SRC) ldrbios.180

INC := config.inc z180reg.inc z180.lib ioctl.inc


OBJ := $(SRC:.180=.rel)
ALLOBJ := $(ALLSRC:.180=.rel)
ALLLST := $(ALLSRC:.180=.lst)


$(foreach X,$(subst =,:=,$(subst ",,$(filter VCS_%,\
	$(shell autorevision -t sh -o $(CURDIR)/autorevision.cache)))),$(eval $X))

VERS := $(shell echo "$(VCS_TAG)" | sed -e 's/hexrel-/0./g' -e 's/^v//g')

ifneq ($(VCS_TICK),0)
  VERS := $(VERS).$(VCS_TICK)
endif
ifneq ($(VCS_BRANCH),master)
  VERS := $(VERS)-$(VCS_BRANCH)
endif
ifeq ($(VCS_WC_MODIFIED),1)
  VERS := $(VERS)-dirty
endif


SYSFILE = cpm3_$(VERS).sys
MAPFILE = bnkbios3_$(VERS).map
DIST_NAME = z180-stamp-cpm3_$(VERS).zip
DIST_NAME_BIN = z180-stamp-cpm3-bin_$(VERS).zip
PREFIX = z180-stamp-cpm3_$(VERS)

SHELL = /bin/sh
CP = cp
RM = rm -f
GIT = git
ZIP = zip

#CP/M emulator
CPMEMU = zxcc

#Location of CP/M binaries
CPMBIN = /usr/local/lib/cpm/bin80

#AS = $(CPMEMU) $(CPMBIN)/m80.com
AS = $(CPMEMU) slr180.com
#LN = $(CPMEMU) slrnk+.com
#LN = $(CPMEMU) ccpline.com

AS_OPT := MFS

AS_QUIET = 1
LN_QUIET = 1

#LNKCMD =
LN_VERB = /V
LN_PROG = 0
LN_DATA = F000


.suffixes:
#.suffixes: .180 .rel

.phony: all
all: sys

.phony: sys bios map ldr
sys: $(SYSFILE)
bios: bnkbios3.spr
map: $(MAPFILE)
ldr: cpmldr.com

cpmldr.com: cpmldr.rel ldrbios.rel
	ld80 -P 100 -o $@ $^

$(ALLOBJ):  $(INC)
boot.rel: version.inc

version.inc: autorevision.cache
	@echo update $@
	@printf "defvers	macro\r\n\
		db	'$(VERS)'\r\n\
		endm\r\n\032" > $@


comma:= ,
empty:=
space:= $(empty) $(empty)

ccpline = $(CPMEMU) $(1) -$(subst $(space),$(comma),$(strip $(2)))

define cpm-asm =
COMMAND="$(AS) -$(basename $<)/$(AS_OPT)"; \
OUTPUT=$$(mktemp); echo $${COMMAND}; \
$${COMMAND} > $${OUTPUT}; \
grep -q '^ 0 Error(s) Detected' $${OUTPUT}; ERROR=$$? ; \
if [ "$${ERROR}" != "0" ]; then cat $${OUTPUT}; rm -f $@; fi ; \
exit $${ERROR}
endef

define cpm-link =
  COMMAND="$(call ccpline, slrnk+, $(basename $@)/H/M /V \
           /P:$(LN_PROG) /D:$(LN_DATA) $(basename $^) /E /Q)";\
  OUTPUT=$$(mktemp); echo $${COMMAND};\
  $${COMMAND} > $${OUTPUT} || exit 1;\
  ERROR=0;\
  cat $${OUTPUT};\
  grep -q ' Duplicate Symbol ' $${OUTPUT} && ERROR=2; \
  grep -q '\- Previously Defined' $${OUTPUT} && ERROR=2; \
  [ "$${ERROR}" = "0" ] && grep -q '^ ** ' $${OUTPUT} && ERROR=1 ; \
  [ "$${ERROR}" != "0" ] && rm -f $@; \
  exit $${ERROR}
endef

#link80 bnkbios3[b,q]=bioskrnl,boot,chario,drvtbl,...
define cpm-bioslink =
  COMMAND="$(call ccpline, link80, \
  $(basename $@)=$(basename $^))[b,q]";\
  OUTPUT=$$(mktemp); echo $${COMMAND};\
  $${COMMAND} > $${OUTPUT} || exit 1;\
  ERROR=0;\
  grep -Ev '^[@?$$._ 0-9A-Z]{7}  [0-9A-F]{4}' $${OUTPUT};\
  grep -Eq ':|UNRECOGNIZED' $${OUTPUT} && ERROR=2; \
  [ "$${ERROR}" != "0" ] && rm -f $@; \
  exit $${ERROR}
endef



#Use:   MAKESYM Filename[.ext][/PXXXX][/DXXXX][/CXXXX]
#egrep '^[[:xdigit:]]{4}[[:space:]]+[[:xdigit:]]{4}[[:space:]]+D.*init\.rel' hdrom.map
define cpm-mksym =
COMMAND="$(CPMEMU) makesym -$^ -/P -D"; \
OUTPUT=$$(mktemp); echo $${COMMAND}; \
$${COMMAND} > $${OUTPUT}; \
grep -q '^ 0 Error(s) Detected' $${OUTPUT}; ERROR=$$? ; \
if [ "$${ERROR}" != "0" ]; then cat $${OUTPUT}; rm -f $@; fi ; \
exit $${ERROR}
endef

PSEG = $(call SEGMENT-ADDR, 1)
DSEG = $(call SEGMENT-ADDR, 2)

#(call SEGMENT-ADDR,SEGNUM)
SEGMENT-ADDR = $(shell dd if=$(SYSFILE) bs=128 count=1 skip=1 2>/dev/null |\
		awk -vn=$(strip $1) '/BNKBIOS3/ {if (++seg == n) print $$3}')

$(MAPFILE): $(SYSFILE)
	ld80 -o /dev/null -ms $@ -P $(PSEG) -D $(DSEG) $(OBJ)


$(SYSFILE): bnkbios3.spr gencpm.dat
	zxcc gencpm -AUTO
	@mv cpm3.sys $@
	@echo


bnkbios3.spr : $(OBJ)
	@$(cpm-bioslink)
	@#ld80 -o $@ -ms $(@:.hex=.map) -P $(LN_PROG) -D $(LN_DATA) $^

%.rel %lst: %.180
	@$(cpm-asm)


.phony: bin-dist
bin-dist: $(SYSFILE) $(MAPFILE) cpmldr.com
	$(ZIP) -9 $(DIST_NAME_BIN) $(SYSFILE) $(MAPFILE) cpmldr.com

.phony: dist
dist: $(SYSFILE) $(MAPFILE) cpmldr.com
	$(GIT) archive --format=zip --prefix=$(PREFIX)/ -9 -o $(DIST_NAME) HEAD^{tree}
	@mkdir -p $(PREFIX)
	@$(CP) autorevision.cache version.inc $(PREFIX)
	$(ZIP) -r -9 $(DIST_NAME) $(PREFIX) $(SYSFILE) $(MAPFILE)  cpmldr.com
	@$(RM) -r $(PREFIX)


.phony: clean realclean
clean:
	$(RM) $(ALLOBJ) $(ALLLST) *.sym

realclean: clean
	$(RM) *.map *.prn *~


#==================================================================

%.REL: %.MAC
	@COMMAND="$(AS) =$<"; \
	OUTPUT=$$(mktemp); echo $${COMMAND}; \
	$${COMMAND} > $${OUTPUT}; \
	grep -q 'No Fatal error(s).$$' $${OUTPUT}; ERROR=$$? ; \
	if [ "$${ERROR}" != "0" ]; then cat $${OUTPUT}; rm $@; fi ; \
	rm $${OUTPUT}; \
	exit $${ERROR}


%.PRN: %.MAC
	@COMMAND="$(AS) ,$@=$<"; \
	OUTPUT=$$(mktemp); echo $${COMMAND}; \
	$${COMMAND} > $${OUTPUT}; \
	grep -q 'No Fatal error(s).$$' $${OUTPUT}; ERROR=$$? ; \
	if [ "$${ERROR}" != "0" ]; then cat $${OUTPUT}; fi ; \
	rm $${OUTPUT}; \
	exit $${ERROR}