Sun 3/60 ROM patch for extra memory

RomPatcher/Sun3_60MaxMemory/Makefile

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+RETRO68=/home/dolbeau/Retro68/build/toolchain
+AS=${RETRO68}/bin/m68k-apple-macos-as
+CC=${RETRO68}/bin/m68k-apple-macos-gcc
+LD=${RETRO68}/bin/m68k-apple-macos-ld
+STRIP=${RETRO68}/bin/m68k-apple-macos-strip
+OBJCOPY=${RETRO68}/bin/m68k-apple-macos-objcopy
+NM=${RETRO68}/bin/m68k-apple-macos-nm
+
+HOSTCC=gcc
+HOSTCFLAGS=-O2
+
+ARCHFLAGS=-march=68020 -mcpu=68020
+CFLAGS=-O2 -mpcrel
+
+GENLINK=../patcher/genlink
+PATCHER=../patcher/patcher
+
+all: sun3_60_v1.9.bin
+
+show: rompatch.elf
+	$(NM) $< | sort
+
+sun3_60_v1.9.bin: ../ rompatch.raw input.txt
+	/bin/cp ../sun3_60_v1.9 sun3_60_v1.9.bin
+	${PATCHER} -i rompatch.raw -p sun3_60_v1.9.bin -d input.txt
+
+linker.ld: input.txt rompatch.s
+	${GENLINK} -d $< >| $@
+	echo $(shell for X in `grep .section rompatch.s | awk '{ print $$2 }' `; do grep -q $$X linker.ld || echo " $$X has no entry in linker.ld" && /bin/false; done)
+
+rompatch.o: rompatch.s
+	${AS} ${ARCHFLAGS} $< -o $@ -a > rompatch.l
+
+rompatch.elf: linker.ld rompatch.o ${CSRC:.c=.o} # linker script must be first
+	${LD} -o $@ -T $^
+
+rompatch.raw: rompatch.elf
+	${OBJCOPY} $^ $@ --input-target=elf32-m68k --output-target=binary
+
+clean:
+	rm -f res.inc ${CSRC_ASM} *.o rompatch.srec rompatch.raw rompatch.dir rompatch.l linker.ld rompatch.elf

RomPatcher/Sun3_60MaxMemory/input.txt

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+0x0287a, 6, replace1
+0x02900, 6, replace2
+0x0fffe, 2, checksum

RomPatcher/Sun3_60MaxMemory/rompatch.s

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+	.section .text.replace1
+replace1:
+	cmp.l #0x08000000,%A5
+	.section .text.finishedreplace1
+	
+	.section .text.replace2
+replace2:
+	move.l #0x01fe0000,%D5
+	.section .text.finishedreplace2
+
+	.section .text.checksum
+checksum:
+	.byte 0xb0
+	.byte 0xd6
+