Add a CP/M CI job

.github/workflows/ci.yml

@@ -42,6 +42,22 @@ jobs:
         libc6-dev-powerpc-cross
         gcc-10-powerpc64-linux-gnu
         libc6-dev-ppc64-cross
+        unzip
+        xz-utils
+    - name: 'Install binaries'
+      # z88dk only releases OS X and Windows binaries, so use the Windows ones
+      run: |
+        curl -LOsSf --retry 6 --retry-connrefused --max-time 999 https://github.com/z88dk/z88dk/releases/download/v2.3/z88dk-win32-2.3.zip
+        unzip -q z88dk-win32-2.3.zip
+
+    - name: 'Build CP/M emulator'
+      run: |
+        GITHASH=7f15e5aa45972b2fdfa4dd5537ce7a3b730fc4a0
+        curl -LOJsSf --retry 6 --retry-connrefused --max-time 999 https://github.com/jhallen/cpm/archive/"$GITHASH".tar.gz
+        tar -xaf cpm-"$GITHASH".tar.gz
+        cd cpm-"$GITHASH"
+        make
+        cp cpm ..
     - name: 'Compile with gcc'
       run: make linux
     - name: 'Run tests with gcc'
@@ -72,20 +88,56 @@ jobs:
       run: make test TESTWRAPPER=qemu-ppc64
     - name: 'Set up wine'
       run: |
-        cat >wine-wrapper <<EOF
+        mkdir wrappers
+        cat >wrappers/wine-test-wrapper <<EOF
         #!/bin/bash
         set -o pipefail
         # Show all errors except for the ones about querying the display
         WINEDEBUG=-all,err+all,-explorer wine "\$@" |& dos2unix
         EOF
-        chmod 755 wine-wrapper
+        cat >wrappers/zcc <<EOF
+        #!/bin/bash
+        # Run zcc using wine
+        set -o pipefail
+        # Show all errors except for the ones about querying the display
+        WINEDEBUG=-all,err+all,-explorer WINEPATH="$PWD/z88dk/bin" wine zcc "\$@" |& dos2unix
+        EOF
+        cat >wrappers/cpm-test-wrapper <<EOF
+        #!/bin/bash
+        # Run a program under the CP/M emulator, changing directories to match
+        # the location of the first argument, if necessary
+        set -o pipefail
+        if [[ "${1//\//}" != "${1}" ]]; then
+          # First argument
+          NEWDIR="$(dirname "$1")"
+          NEWARG="$(basename "$1")"
+          set -- "$1" "$NEWARG" "${@:3}"
+          # copy the binary to the desired directory
+          cp -f "$1" "$NEWDIR"
+          cd "$NEWDIR"
+        fi
+        # kill the initial A> prompt
+        # TODO: fix tests
+        "$PWD/cpm" "\$@" |& tail +13c | dos2unix -q
+        rc=$?
+        if [[ -n "$NEWDIR" ]]; then
+            # remove the copied binary
+            rm -f "$1"
+        fi
+        exit "$rc"
+        EOF
+        chmod 755 wrappers/*
         # Run wine once to set it up, which displays some logs that would mess up tests
         WINEDEBUG=-all wine cmd /c exit
     - name: 'Compile with mingw32'
       run: make clean && make linux LINUX_CC=x86_64-w64-mingw32-gcc
     - name: 'Run tests with mingw32+wine'
-      run: make test TESTWRAPPER=./wine-wrapper
+      run: make test TESTWRAPPER=wrappers/wine-test-wrapper
     - name: 'Compile with mingw32-posix'
       run: make clean && make linux LINUX_CC=x86_64-w64-mingw32-gcc-10-posix
     - name: 'Run tests with mingw32-posix+wine'
-      run: make test TESTWRAPPER=./wine-wrapper
+      run: make test TESTWRAPPER=wrappers/wine-test-wrapper
+    - name: 'Compile with z88dk'
+      run: make clean && PATH="$PATH:$PWD/wrappers" make cpm
+    - name: 'Run tests with z88dk'
+      run: make test TESTWRAPPER=wrappers/cpm-test-wrapper