Releases: asm198x/asm198x
Releases · asm198x/asm198x
0.0.8 - 2026-07-06
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Added
(debug) emit the debug record from the vasm hunk path (U5)(debug) emit the debug record from the ca65 NES path (U4)(debug) emit the .debug198x sidecar, --sym, and --listing (U3)(contract) point diagnostics at the operand column (U3)version the core contract + record its freeze governance (U5)
add --message-format=json to the CLI (core-contract U4)
route NES ca65 (assemble+link) through the semantic AST
route vasm (68000) assembly through the semantic AST
give vasm (68000) an AST front-end for the --fmt formatter
route Z8000 assembly through the semantic AST
route CP1610 assembly through the semantic AST
route TMS9900 assembly through the semantic AST
route PDP-11 assembly through the semantic AST
route ca65 HuC6280 assembly through the semantic AST
route ca65 65816 assembly through the semantic AST
(tms7000) route the TMS7000 dialect through the AST (0b straggler)(2650) route the Signetics 2650 dialect through the AST (0b straggler)(f8) route the Fairchild F8 dialect through the AST (0b straggler)(8048) route the MCS-48 dialect through the AST (0b straggler)(contract) rustc-shaped diagnostics on one shared span (U2)(contract) unify assembly output into one AssemblyResult (U1)(ast) idea 4 — ACME assembles by evaluating the conditional AST(ast) ACME/6502 formatter — canonical reflow with conditional blocks(ast) promote the conditional-block representation into the shared AST (idea 4)(ast) U6 — migrate the 6809 onto the AST (first computed-operand CPU)(ast) U6 — migrate rgbasm (Game Boy SM83) onto the AST(ast) U6 — migrate the National SC/MP onto the AST (fixed-slot)(ast) U6 — migrate the RCA CDP1802 onto the AST (fixed-slot)(ast) U6 — migrate the Motorola 6800 onto the AST (fixed-slot)(ast) U6 — migrate the Intel 8080 onto the AST (first fixed-slot CPU)(ast) U6 foundation — total lowering, retire the U1 spike(ast) U5 — asm198x fmt, the AST emit proof (AE7)(ast) U4 — carry Z80 comments as AST trivia(ast) U3 — route the Z80 front-end through the semantic AST(ast) U2 — the source-preserving semantic AST types(dbg198x) capture debug info in the engine (U2)
Fixed
(review) fmt round-trip bugs + restore the clippy gate
Other
(debug) the format decision record + CP1610 fixture (U7 — plan complete)(debug) the conformance fixture corpus (U6)rename the dbg198x crate to debug198x
(ast) extract the shared conditional evaluator (CondEval)(ast) drop unused import in the U1 spike(ast) U1 validation spike — the neutral-AST gate
Download asm198x 0.0.8
0.0.7 - 2026-07-03
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Added
(cp1610) add SDBD double-byte immediate — completes the CPU (increment 6) (#58 )(cp1610) add JUMP/JSR and word-addressing (increment 5) (#57 )(cp1610) add memory / immediate addressing modes (increment 4) (#56 )(cp1610) add relative branch group (increment 3) (#54 )(cp1610) add shift / rotate group (increment 2) (#53 )(cp1610) add GI CP1610 register/implied groups (increment 1) (#52 )(z8000) add segmented Z8001 target (increment 12) (#51 )(z8000) cleanup — TCC/LDK/RLDB/RRDB/LDR (complete Z8002 ISA)(z8000) increment 11 — CPU control / status group(z8000) increment 10 — privileged I/O group(z8000) increment 9 — block/string repeat group(z8000) increment 8 — multiply/divide (MULT/MULTL/DIV/DIVL)(z8000) increment 7 — bit ops (BIT/SET/RES, static and dynamic)(z8000) increment 6 — shifts/rotates/sign-extends(z8000) increment 5 — stack ops (PUSH/POP/PUSHL/POPL)(z8000) increment 4 — single-operand ALU (CLR/COM/NEG/TEST/TSET/INC/DEC)(z8000) increment 3 — program control (JP/CALL/JR/RET/DJNZ/CALR)(z8000) increment 2 — long ops, exchange, load address(z8000) increment 1 — the dyadic arithmetic/logic/load familyadd TI TMS9900 — Wave C, the TI-99/4A CPU
add DEC PDP-11 — Wave B, the family's first 16-bit CPU
Download asm198x 0.0.7
0.0.6 - 2026-07-02
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Added
add TI TMS7000 — Wave B, the family's largest single CPU
(2650) range-check relative/page-zero/absolute operands like asladd Signetics 2650 — Wave B, four addressing modes via the seam
add ROM-less MCS-48 kin (8035/8039/8040) as an 8048 variant
add Fairchild F8 (3850) — Wave B, offset-byte-relative branches
add National SC/MP (INS8060) — Wave B, pointer+displacement addressing
add Intel 8048 (MCS-48) — first Wave-B CPU, three tools one chip
add RCA CDP1802 (COSMAC) — ninth CPU, zero engine changes
add the Motorola 6800 (roadmap Wave A)
add the Intel 8080 (Wave A of the CPU-coverage roadmap)
(asm) accept rgbasm @ current-PC symbol (#8 follow-up)(asm) rgbasm (Game Boy SM83) assemble dialect (#8 )(isa,disasm) add the SM83 (Game Boy) spec + disassembler (#8 )(asm) HuC6280 assembler + disassembler dialect (#9 phase 3)(z80) truncate out-of-range byte immediates; warning channel in the engine(vasm) warn (not error) on out-of-range immediates, matching vasm(acme) add the !set reassignable variable(acme) add the !align directive(c64) emit .prg output (--prg)(spectrum) emit 48K .sna snapshots (--sna)(ca65-816) add .dword/.dbyt/.asciiz; mark #26 differential gaps closed(asm) non-fatal warning channel; warn on out-of-range CCR/SR immediate(ca65) support anonymous labels (: / :- / :+)(acme) accept the !pet and !zone directives(sjasmplus) accept the byte directive (a db alias)(lwasm) add fill, zmb, and fqb directives(ca65) add .dword, .dbyt, and .asciiz directives(isa) add 6809 andcc/orcc/cmpu/cmps/swi2/swi3 and 65816 rtl
Fixed
(ci) clear the clippy errors breaking the Clippy job(ca65) clearer error for a segment outside the NES config(acme) correct operator precedence; add ^ power and XOR/EOR keyword(acme) require an explicit origin before code or data(z80) fold a constant-expression ds/defs count(vasm) assemble eor/and/or with an immediate operand(vasm) parse absolute-address size suffixes .w/.l(z80) accept radix number formats (0x, h/b/o/q suffix, # prefix)(z80n) accept mul operands (mul d,e / mul de)(vasm) accept adda/suba/cmpa mnemonics(vasm) parse new-style parenthesised 68k effective addresses(dialects) parse bitwise & shift operators in expressions(z80n) encode PUSH nn immediate big-endian
Other
(differential) note the ledger is gap-free, silence dead gap(differential) cover the Z80N extension ISA vs sjasmplusadd source-direction differential audit (reference accepts, we reject)
Download asm198x 0.0.6
0.0.5 - 2026-06-04
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Added
(68000) add MOVEP — base-68000 ISA now complete(68000) add CCR/SR/USP moves and immediate-to-CCR/SR(68000) add TRAP, MOVEA, and EXG(68000) add ADDX/SUBX/ABCD/SBCD/CMPM (extended + BCD arithmetic)
Other
apply cargo fmt
(conformance) extend the differential fuzzer to 6809 and 68000
Download asm198x 0.0.5
0.0.4 - 2026-06-03
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Release Notes
Added
(65816) spec-driven disassembler with m/x width tracking(65816) block moves, cop/wdm, bank-byte operator, 24-bit symbols(65816) native-mode core as a ca65 target extension of the 6502(6809) indexed addressing, register ops, fcc, and the disassembler(6809) add lwasm 6809 assembler over a computed-operand engine seam(68000) spec-driven disassembler(68000) bitwise/shift operators, indexed addressing, label(pc) — Stage 3 complete(68000) Amiga hunk-executable output (Stage 3, single-section)(68000) rewrite cmp #0, to tst (68000) drop zero d16(An) displacement to (An)(68000) convert add/sub #d16,An to lea for word size too(68000) ADDI/SUBI/CMPI and the add#d16,An->lea optimization(68000) Stage 2 optimizer — PC-relative, branch relaxation, addq/subq(68000) local-label scoping, ADDA/SUBA/CMPA, deferred ds/dcb counts(68000) shifts, bit ops, movem, and .s short branches(68000) add the regular instruction families(68000) field-based encoder foundation (vasm mot syntax)(6502) honor ACME hex-width sizing; full-binary disasm round-trip(6502) add spec-driven 6502 disassembler(6502) add ca65 dialect + bounded NES linker(6502) ACME text directives + constant-folded !fill(6502) ACME conditional assembly + value-based zero-page selection(6502) support ACME anonymous -/+ labels(6502) add ACME dialect front-end (foundation)(z80) add location counter and sjasmplus local-label scoping(asm198x) add the sjasmplus dialect over a shared Z80 syntax coreadd Z80N (Spectrum Next) opcodes, gated by target not dialect
(asm198x) add a spec-driven Z80 disassemblercomplete the Z80 with the DD/FD (IX/IY) prefix group
(asm198x) add vanilla pasmo as a first-class Z80 dialect(asm198x) resolve BIT/SET/RES bit numbers and defb strings in pasmonext(asm198x) expression arithmetic and IM operand resolution(asm198x) add the pasmo Z80 dialect front-end
Fixed
(68000) render PC-relative EA as a resolved target (closes the last gap)(68000) harden the disassembler/spec, enabling the conformance sweep(68000) correct branch relaxation fixpoint; complete Stage 2 flat-binary parity(68000) relax bare branches to short, not just explicit .s(asm198x) emit operands by their declared width
Other
rustfmt the workspace (unblocks the CI fmt check)
(conformance) sweep-based audit for the non-form specs (6809)(conformance) spec-opcode audit + differential fuzzer vs the real toolscollapse the four Expr evaluators into one shared core
(68000) wire vasm byte-identity into the curriculum harnessextract the disassembler into the dependency-free isa-disasm crate
(68000) div_ceil and a Reloc type alias (clippy)rewrite README + correct disasm round-trip note; fix example
format the workspace with rustfmt (1.95.0 toolchain)
(asm198x) add opt-in curriculum byte-identity harness(asm198x) document flat-vs-linked split; refresh stale crate docs(6502) dedup shared acme/ca65 lexical helpers into the core(6502) extract shared dialects::mos6502 core(6502) retire generic placeholder, route 6502 to ACME(asm198x) name the Z80 dialect PasmoNext(asm198x) split engine, dialect, and spec into a three-way seam
Download asm198x 0.0.4
0.0.3 - 2026-06-02
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Release Notes
Fixed
Give the isa path dependency an explicit version requirement socargo package succeeds. release-plz runs cargo package to compute theisa via the path.
Other
Enable git_only so release-plz reads the previous version from the git tagpublish = false) crates.io registry.
Download asm198x 0.0.3
0.0.2 - 2026-06-01
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Release Notes
Added
Two-pass 6502 assembler — a library plus the asm198x CLI — built on theisa instruction-set spec. This first slice covers the common addressing</> byte-select operators, and the .org / .byte /.word directives. The 6502 dialect is an early subset; ca65 compatibilitydecisions/syntax-stance.md.
Download asm198x 0.0.2
