AnachronautandClaude Opus 5
04424a8917
Both are called hello.asm and they are different programs: Programs/hello.asm
is the 1978-style boot image that writes straight to port 0x00 and HALTs,
and CosmOS/Apps/hello.asm is the loadable one that ends with SWI osExit.
The disk had the first, which assembles to a .bin the shell cannot load, so
watching it work meant taking the file off the disk afterwards.
Now it has the second, and the whole thing is two commands:
> load Asm.sbx
> run hello.asm
wrote hello.sbx: program 22, data 14, labels 3
> load hello.sbx
> run
Hello, World!
It writes over the hello.sbx the host tool put there, so what runs is the
machine's own work. Byte for byte identical to the C assembler's, as ever.
strings.asm stays as it is, and now earns its place by being the odd one
out: no #Include and no #Base, so it assembles to a boot image rather than
a loadable program and the difference between the two is visible on one
disk.
Tests/native.sh still builds the bare metal hello.asm, and should: it is the
only thing that checks the SPBT path end to end, including running what came
out.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01E2JrLzFvuFX9fgi1LDRjrW
125 lines
4.6 KiB
Makefile
125 lines
4.6 KiB
Makefile
# SplitBit Programs Makefile
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# Anachronaut
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#
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# Builds every SplitBit program into build/, and keeps track of which libraries
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# each one includes so that editing a library reassembles whatever depends on it.
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#
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# make Assemble everything.
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# make clean Throw away build/.
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# make run-hello Assemble and run one program.
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ASM ?= ../Assembler
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EMU ?= ../SplitBit
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BUILD ?= build
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# Libraries are included by bare name, so the assembler is told where to find them.
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# CosmOS owns the filesystem library and the service names, so it is a place to look too.
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INCLUDES = -I Libraries -I CosmOS/Source
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# The programs worth building. Files in Libraries/ are left out because they have no
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# entry point of their own, and the ones in testPrograms/ are covered by 'make test'
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# in the parent directory.
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PROGRAMS = \
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CosmOS/Source/cosmos.asm \
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hello.asm \
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printHello.asm \
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inputTest.asm \
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replCalculator.asm \
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Fibonacci/8bitFibonacci.asm \
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Fibonacci/16bitFibonacci.asm \
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Fibonacci/32bitFibonacci.asm \
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primeSieve/8bitSieve.asm \
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primeSieve/16bitSegmentedSieve.asm \
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primeSieve/16bitSegmentedSieveModern.asm \
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gameOfLife/16x16Life.asm \
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gameOfLife/16x16LifeModern.asm
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BINARIES = $(PROGRAMS:%.asm=$(BUILD)/%.bin)
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DEPENDENCIES = $(BINARIES:.bin=.d)
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all: $(BINARIES)
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# -M writes out which source files went into the binary, in the form of a make rule.
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$(BUILD)/%.bin: %.asm
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@mkdir -p $(@D)
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$(ASM) $(INCLUDES) -M $(@:.bin=.d) -o $@ $<
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# Assemble and run a single program, as in 'make run-hello'.
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run-%: $(BUILD)/%.bin
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$(EMU) $<
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# ---- CosmOS ----
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#
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# make cosmos Assemble the system and everything it can load.
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# make cosmos-disk ... and put the loadable programs on a disk image.
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# make run-cosmos ... and boot the machine with that disk in the drive.
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#
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# Programs in Apps/ say where they live with #Base, so the assembler writes them out as
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# loadable programs rather than as boot images. They are named .sbx to keep that
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# difference visible: a .bin is something the machine boots, a .sbx is something a
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# running system loads.
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DISKTOOL ?= ../SplitDisk
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COSMOS = $(BUILD)/CosmOS/Source/cosmos.bin
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APPS = $(patsubst CosmOS/Apps/%.asm,$(BUILD)/CosmOS/Apps/%.sbx,$(wildcard CosmOS/Apps/*.asm))
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COSMOS_DISK = $(BUILD)/cosmos.img
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DEPENDENCIES += $(APPS:.sbx=.d)
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$(BUILD)/CosmOS/Apps/%.sbx: CosmOS/Apps/%.asm
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@mkdir -p $(@D)
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$(ASM) $(INCLUDES) -M $(@:.sbx=.d) -o $@ $<
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# The assembler that runs on the machine. It is not in Apps/ because it is not one file:
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# it has a directory of its own, the way the C assembler does. Its own pieces are found
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# beside it without being told, since an include is looked for next to the file that asked
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# for it before anywhere else; only services.asm needs the include path.
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NATIVE_ASM = $(BUILD)/CosmOS/Assembler/Asm.sbx
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DEPENDENCIES += $(NATIVE_ASM:.sbx=.d)
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$(NATIVE_ASM): CosmOS/Assembler/Asm.asm
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@mkdir -p $(@D)
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$(ASM) $(INCLUDES) -M $(@:.sbx=.d) -o $@ $<
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cosmos: $(COSMOS) $(APPS) $(NATIVE_ASM)
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# Made from scratch every time, so that what is on it is what is in Apps/ now and not
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# also whatever used to be.
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$(COSMOS_DISK): $(APPS) $(NATIVE_ASM) testPrograms/stringKeyword.asm \
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CosmOS/Apps/hello.asm CosmOS/Apps/Say.asm CosmOS/Source/services.asm
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@mkdir -p $(@D)
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rm -f $@
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$(DISKTOOL) format $@ 2048 4
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@for app in $(APPS); do $(DISKTOOL) put $@ $$app; done
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$(DISKTOOL) put $@ $(NATIVE_ASM)
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@# SOURCE goes on as well, because an assembler with nothing to assemble is a
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@# demonstration of nothing.
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@#
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@# hello.asm and Say.asm are the APPLICATION versions, so each assembles to a .sbx
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@# written straight over the one the host tool put there - which means the next
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@# thing loaded is a program the machine built itself, in the same breath.
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@#
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@# strings.asm is the odd one out on purpose: it has no #Include and no #Base, so it
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@# comes out as a boot image rather than a loadable program, and the difference
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@# between the two is visible on one disk.
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$(DISKTOOL) put $@ CosmOS/Apps/hello.asm
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$(DISKTOOL) put $@ CosmOS/Apps/Say.asm
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$(DISKTOOL) put $@ CosmOS/Source/services.asm
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$(DISKTOOL) put $@ testPrograms/stringKeyword.asm strings.asm
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# The system as well as the disk. Building only the image leaves whatever cosmos.bin was
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# there before, or none at all, and then the disk is booted with a system that does not
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# match the programs on it.
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cosmos-disk: $(COSMOS) $(COSMOS_DISK)
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run-cosmos: $(COSMOS) $(COSMOS_DISK)
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$(EMU) --disk $(COSMOS_DISK) $(COSMOS)
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clean:
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rm -rf $(BUILD)
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# Pull in the dependency rules written by -M above, so that touching a library
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# reassembles every program that includes it.
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-include $(DEPENDENCIES)
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.PHONY: all clean cosmos cosmos-disk run-cosmos
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