tests: M1 GSPA/MAME smoke test
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int add(int a, int b) { return a + b; }
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@@ -0,0 +1,3 @@
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static int arr[4];
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int *second(void) { return &arr[1]; }
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; entry.asm -- M1 smoke-test entry, linked at bit 018A0000.
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;
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; M1 has no stack frame, no calls and no TI ABI. The generated functions are
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; leaf functions: i32/pointer arguments in A0-A3, result in A0.
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;
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; Marker words (bit addresses, 0x20 bits apart = 4 bytes):
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; 018A8000 add(20, 22)
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; 018A8020 load(018A8100)
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; 018A8040 second() == &arr[1]
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;
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; _late is linked but not called: it is a compile-time check that a surviving
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; GEP offset is 24 bits, not 192.
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.text
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.globl _start
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_start:
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setf 32, 0, 1 ; FS1 = 32 for 32-bit MOVE
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setf 16, 0, 0 ; FS0 = 16, for any i16 code
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movi 20, a0
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movi 22, a1
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calla _add
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movi 018A8000h, a2
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move a0, *a2, 1
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movi 018A8100h, a2
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movi 12345678h, a3
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move a3, *a2, 1
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move a2, a0
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calla _load
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movi 018A8020h, a2
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move a0, *a2, 1
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calla _second
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movi 018A8040h, a2
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move a0, *a2, 1
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rets
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@@ -0,0 +1,9 @@
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/* Late-GEP check: p + 3 bytes must reach llc as ADDI 24 -- the address unit is
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* a bit and tms-bitaddr has already scaled the offset -- not ADDI 192.
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*
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* The plan's source also compared p + 3 with another pointer. That form
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* lowers to setcc/branches, which the M1 backend deliberately does not have;
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* this form exercises the same late-GEP contract without it. See the M1
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* implementation design, sections 7.3 and 7.5.
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*/
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int late(char *p) { return (int)(p + 3); }
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-a
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-o M1.OUT
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-m M1.MAP
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-e _start
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M1.obj
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MEMORY
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{
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prog: origin = 018A0000h, length = 8000h
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ram: origin = 018A9000h, length = 1000h
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}
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SECTIONS
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{
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.text: {} > prog
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.data: {} > prog
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.bss: {} > ram
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}
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int load(int *p) { return *p; }
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@@ -0,0 +1,36 @@
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-- m1-check.lua -- load the M1 COFF with dwt/loader/loader.lua and read the
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-- marker words the generated code wrote.
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--
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-- M1_LOADER_LUA path to vendor/vt1200/dwt/loader/loader.lua
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-- M1_EXPECT_LOAD expected load() result (default 0x12345678)
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-- M1_EXPECT_SECOND expected &arr[1] in bits
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--
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-- The marker read runs one frame before loader.lua's inspection/exit frame.
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dofile(os.getenv("M1_LOADER_LUA"))
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local ENDF = tonumber(os.getenv("LOADER_END") or "2700")
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local EXPECT_LOAD = tonumber(os.getenv("M1_EXPECT_LOAD") or "0x12345678")
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local EXPECT_SECOND = tonumber(os.getenv("M1_EXPECT_SECOND") or "0x018A9020")
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local frames = 0
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local checked = false
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emu.register_frame_done(function()
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frames = frames + 1
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if frames == ENDF - 1 and not checked then
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checked = true
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local prog = manager.machine.devices[':maincpu'].spaces['program']
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local add = prog:read_u32(0x018A8000)
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local load = prog:read_u32(0x018A8020)
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local second = prog:read_u32(0x018A8040)
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print(string.format("M1: add=%d load=0x%08X second=0x%08X",
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add, load, second))
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if add == 42 and load == EXPECT_LOAD and second == EXPECT_SECOND then
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print("M1 MAME: PASS")
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else
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print(string.format(
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"M1 MAME: FAIL (want add=42 load=0x%08X second=0x%08X)",
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EXPECT_LOAD, EXPECT_SECOND))
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end
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end
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end, "m1-check")
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Executable
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@@ -0,0 +1,154 @@
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#!/bin/sh
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# M1 end-to-end smoke test.
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#
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# scripts/m1/run.sh
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#
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# Compiles four C functions with scripts/tms-clang + llc -O0, assembles and
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# links them with the 1987 GSPA/GSPLNK 2.00 under DOSBox, then loads the COFF
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# into MAME through dwt/loader/loader.lua and checks the marker words:
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#
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# add(20, 22) == 42
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# load(&word) == 0x12345678
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# second() == &arr[1] (arr + 32 bits)
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#
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# Overridable: TMS_CLANG TMS_OPT TMS_BITADDR TMS_LLC MAME DOSBOX DOSBOX_CONF
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# SDK_IMG M1_WORK M1_SDK LOADER_AT LOADER_END
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set -eu
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ROOT=$(cd "$(dirname "$0")/../.." && pwd)
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DIR=$ROOT/scripts/m1
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LLVM_BIN=${LLVM_BIN:-$ROOT/build/llvm-clean-build/bin}
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TMS_CLANG=${TMS_CLANG:-$LLVM_BIN/clang}
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TMS_OPT=${TMS_OPT:-$LLVM_BIN/opt}
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TMS_BITADDR=${TMS_BITADDR:-$ROOT/tools/tms-bitaddr/tms-bitaddr}
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TMS_LLC=${TMS_LLC:-$LLVM_BIN/llc}
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MAME=${MAME:-$ROOT/build/mame-src/vt1200}
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DOSBOX=${DOSBOX:-dosbox}
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DOSBOX_CONF=${DOSBOX_CONF:-$ROOT/vendor/vt1200/harness/sdk-scratch/dosbox-bench.conf}
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SDK_IMG=${SDK_IMG:-$ROOT/vendor/vt1200/tools/tms34010-sdk/1987-05 TMS34010 SDK/1987-11-06 TMS34010 Simulator-C Tools-ASM Tools.img}
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WORK=${M1_WORK:-$ROOT/build/m1}
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SDK=${M1_SDK:-$ROOT/build/m1-sdk}
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ASM=$WORK/asm
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LOADER_LUA=$ROOT/vendor/vt1200/dwt/loader/loader.lua
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LOADER_BIN=$ROOT/vendor/vt1200/dwt/loader/build/loader.bin
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LOADER_AT=${LOADER_AT:-2500}
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LOADER_END=${LOADER_END:-2700}
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fail() {
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echo "m1: $*" >&2
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exit 1
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}
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for tool in "$TMS_CLANG" "$TMS_OPT" "$TMS_BITADDR" "$TMS_LLC"; do
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[ -x "$tool" ] || fail "missing tool: $tool"
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done
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mkdir -p "$ASM" "$WORK/evidence" "$WORK/run/nvram" "$WORK/run/cfg"
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echo "== compile and select"
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export TMS_CLANG TMS_OPT TMS_BITADDR
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for name in add load late const_gep; do
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"$ROOT/scripts/tms-clang" -O2 -o "$ASM/$name.ll" "$DIR/$name.c"
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"$TMS_LLC" -march=tms34010 -O0 -filetype=asm \
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"$ASM/$name.ll" -o "$ASM/$name.s" \
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|| fail "llc failed for $name.c"
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echo " $name.s: $(grep -c . "$ASM/$name.s") lines"
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done
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echo "== check the bit-address constants"
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grep -Eq '^[[:space:]]*ADDI[[:space:]]+24,[[:space:]]*A0' "$ASM/late.s" \
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|| fail "late.s has no ADDI 24 (late GEP got scaled again?)"
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grep -Eq 'ADDI[[:space:]]+192' "$ASM/late.s" \
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&& fail "late.s contains ADDI 192: late GEP was scaled twice"
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grep -Eq '^[[:space:]]*MOVI[[:space:]]+_arr\+32,[[:space:]]*A0' "$ASM/const_gep.s" \
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|| fail "const_gep.s has no 'MOVI _arr+32': constant GEP addend is not in bits"
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grep -Eq '_arr\+4[^0-9]' "$ASM/const_gep.s" \
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&& fail "const_gep.s references _arr+4 (bytes) instead of _arr+32 (bits)"
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echo " late.s: $(grep -E 'ADDI' "$ASM/late.s" | head -1 | sed 's/^[[:space:]]*//')"
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echo " const_gep.s: $(grep -E 'MOVI' "$ASM/const_gep.s" | head -1 | sed 's/^[[:space:]]*//')"
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echo "== extract the 1987 SDK"
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if [ ! -f "$SDK/GSPA.EXE" ]; then
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command -v mcopy >/dev/null 2>&1 || fail "mtools (mcopy) is required"
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[ -f "$SDK_IMG" ] || fail "SDK image not found: $SDK_IMG"
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mkdir -p "$SDK"
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mcopy -s -n -i "$SDK_IMG" "::/A2/*" "$SDK/"
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mcopy -s -n -i "$SDK_IMG" "::/C2/*" "$SDK/"
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fi
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[ -f "$SDK/GSPA.EXE" ] || fail "GSPA.EXE not extracted into $SDK"
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echo "== assemble and link with GSPA/GSPLNK under DOSBox"
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cat "$DIR/entry.asm" "$ASM/add.s" "$ASM/load.s" "$ASM/late.s" \
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"$ASM/const_gep.s" > "$SDK/M1.ASM"
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# The linker command file must keep CRLF line endings.
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sed 's/\r$//' "$DIR/link.cmd" | sed 's/$/\r/' > "$SDK/M1.CMD"
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rm -f "$SDK/M1.OBJ" "$SDK/M1.OUT" "$SDK/M1.MAP" "$SDK/M1.LST"
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SDL_VIDEODRIVER=dummy SDL_AUDIODRIVER=dummy \
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timeout "${DOSBOX_TIMEOUT:-300}" "$DOSBOX" -conf "$DOSBOX_CONF" \
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-noprimaryconf -nolocalconf \
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-c "mount c $SDK" -c "c:" \
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-c "gspa M1 M1.obj M1.lst -l" \
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-c "gsplnk M1.cmd" \
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-c "exit" -exit > "$WORK/dosbox.log" 2>&1 \
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|| { tail -20 "$WORK/dosbox.log" >&2; fail "DOSBox failed"; }
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[ -f "$SDK/M1.LST" ] || fail "GSPA produced no listing (see $WORK/dosbox.log)"
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sed 's/\r$//' "$SDK/M1.LST" > "$WORK/m1.lst"
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grep -q 'No Errors' "$WORK/m1.lst" \
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|| { grep -i -B2 -A2 'error' "$WORK/m1.lst" >&2 || true; fail "GSPA reported errors"; }
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[ -f "$SDK/M1.OUT" ] || fail "GSPLNK produced no M1.OUT"
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sed 's/\r$//' "$SDK/M1.MAP" > "$WORK/m1.map"
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cp "$SDK/M1.OUT" "$WORK/m1.coff"
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cp "$SDK/M1.ASM" "$WORK/m1.asm"
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ENTRY=$(awk '$2 == "_start" { print $1; exit }' "$WORK/m1.map")
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[ "$ENTRY" = "018A0000" ] || fail "linker entry _start is '$ENTRY', want 018A0000"
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grep -q 'ENTRY POINT SYMBOL: "_start"' "$WORK/m1.map" \
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|| fail "linker map has no _start entry point"
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BSS_ORIGIN=$(awk '$1 == ".bss" && $2 == "0" { print $3; exit }' "$WORK/m1.map")
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BSS_LENGTH=$(awk '$1 == ".bss" && $2 == "0" { print $4; exit }' "$WORK/m1.map")
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[ -n "$BSS_ORIGIN" ] || fail "linker map has no .bss section"
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[ "$BSS_LENGTH" = "00000080" ] \
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|| fail ".bss is $BSS_LENGTH bits, expected 00000080 (only arr[4])"
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EXPECT_SECOND=$(printf '0x%X' "$((0x$BSS_ORIGIN + 32))") # &arr[1] = arr + 32 bits
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echo " linked .text at 018A0000, .bss at $BSS_ORIGIN (128 bits)"
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echo " expected &arr[1] = $EXPECT_SECOND"
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echo "== run the COFF in MAME"
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[ -x "$MAME" ] || fail "MAME binary not built: $MAME"
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[ -f "$LOADER_LUA" ] || fail "COFF loader missing: $LOADER_LUA"
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[ -f "$LOADER_BIN" ] || fail "COFF loader payload missing: $LOADER_BIN"
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VT1200_SKIP_LEVEL1=1 \
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LOADER_AT="$LOADER_AT" LOADER_END="$LOADER_END" \
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LOADER_BIN="$LOADER_BIN" LOADER_COFF="$WORK/m1.coff" \
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LOADER_OUT="$WORK/evidence" \
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M1_LOADER_LUA="$LOADER_LUA" \
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M1_EXPECT_LOAD=0x12345678 M1_EXPECT_SECOND="$EXPECT_SECOND" \
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timeout "${MAME_TIMEOUT:-600}" "$MAME" vt1200 \
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-rompath "$ROOT/vendor/vt1200/harness/mame/roms" \
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-video none -sound none -nothrottle -skip_gameinfo \
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-nvram_directory "$WORK/run/nvram" \
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-cfg_directory "$WORK/run/cfg" \
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-debug -debugger none \
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-autoboot_script "$DIR/m1-check.lua" -autoboot_delay 0 \
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> "$WORK/mame.log" 2>&1 \
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|| { tail -30 "$WORK/mame.log" >&2; fail "MAME run failed"; }
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MARKERS=$(grep -E '^M1: add=' "$WORK/mame.log" | tail -1 || true)
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[ -n "$MARKERS" ] || { tail -30 "$WORK/mame.log" >&2; fail "MAME produced no M1 markers"; }
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echo " $MARKERS"
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grep -q 'LOADER: result status=0 (OK)' "$WORK/mame.log" \
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|| { grep 'LOADER: result' "$WORK/mame.log" >&2 || true; fail "COFF loader did not report status 0"; }
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grep -q 'placed .text .* 0 differing' "$WORK/mame.log" \
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|| fail "COFF loader could not verify the placed .text bytes"
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grep -q '^M1 MAME: PASS' "$WORK/mame.log" \
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|| { tail -30 "$WORK/mame.log" >&2; fail "marker check failed"; }
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echo "M1 MAME: PASS"
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Executable
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#!/bin/sh
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# M1 test gate: compile four C functions, assemble/link with GSPA/GSPLNK,
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# load the COFF in MAME and check the marker words.
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set -eu
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ROOT=$(cd "$(dirname "$0")/../../.." && pwd)
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exec "$ROOT/scripts/m1/run.sh" "$@"
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