[arduino] Add PDP-11 example sketch

examples/Makefile

@@ -38,6 +38,7 @@ EXS = \
 	mn1610   \
 	mos6502  \
 	ns32000  \
+	pdp11    \
 	pdp8     \
 	scn2650  \
 	tlcs90   \

examples/pdp11/Makefile

@@ -0,0 +1,109 @@
+# Copyright 2021 Tadashi G. Takaoka
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+help:
+	@echo '"make clean"       remove unnecessary files'
+	@echo '"make pio-ci"      run PlatformIO CI for a board'
+	@echo  "                      (default BOARD=$(BOARD))"
+	@echo '"make pio-ci-all"  run PlatformIO CI for all boards'
+	@echo  "                      ($(BOARDS))"
+	@echo '"make pio-run"     build sketch for an environment'
+	@echo  "                      (default ENV=$(ENV))"
+	@echo '"make pio-run-all" build sketch for all environments'
+	@echo  "                      ($(ENVS))"
+
+ifdef INSIDE_EMACS
+ifeq ($(filter $(PIO_FLAGS),"--no-ansi"),)
+PIO_FLAGS += --no-ansi
+endif
+ifeq ($(filter $(ARDUINO_FLAGS),"--no-color"),)
+ARDUINO_FLAGS += --no-color
+endif
+endif
+
+PIO_CI_FLAGS =
+ARDUINO_CI_FLAGS = --warnings all --library $(CURDIR)/../../
+
+ENVS = $(shell grep -Po '^\[env:\K[^]]+' platformio.ini)
+ENV ?= $(firstword $(ENVS))
+
+BOARDS = $(shell grep -Po '^board *= *\K[\w]+' platformio.ini)
+BOARD ?= $(firstword $(BOARDS))
+
+EXAMPLE = $(shell basename $(CURDIR))
+
+define pio-libdep-path # env libdep
+-l .pio/libdeps/$(1)/$(2)
+endef
+
+define pio-ci # board
+	ENV=$(shell awk 'BEGIN{RS="\n\n"} /$(1)/' platformio.ini | grep -Po '(?<=env:)[^]]+')
+	pio $(PIO_FLAGS) pkg install -l libcli
+	pio $(PIO_FLAGS) ci -l $(CURDIR)/../.. $(call pio-libdep-path,$(ENV),libcli) -b $(1) $(EXAMPLE).ino
+
+endef
+
+pio-ci:
+	$(call pio-ci,$(BOARD))
+
+pio-ci-all:
+	$(foreach board,$(BOARDS),$(call pio-ci,$(board)))
+
+boards: platformio.ini
+	@echo $(BOARDS)
+
+define pio-run # env
+	pio $(PIO_FLAGS) run $(PIO_RUN_FLAGS) -e $(1)
+
+endef
+
+pio-run:
+	$(call pio-run,$(ENV))
+
+pio-run-all:
+	$(foreach env,$(ENVS),$(call pio-run,$(env)))
+
+envs: platformio.ini
+	@echo $(ENVS)
+
+define arduino-ci # fqbn
+	arduino-cli $(ARDUINO_FLAGS) compile -b $(1) $(ARDUINO_CI_FLAGS)
+
+endef
+
+FQBNS = \
+	MightyCore:avr:1284  \
+	DxCore:megaavr:avrda \
+	teensy:avr:teensy41
+FQBN ?= $(firstword $(FQBNS))
+
+fqbns:
+	@echo $(FQBNS)
+
+arduino-ci:
+	$(call arduino-ci,$(FQBN))
+
+arduino-ci-all:
+	$(foreach fqbn,$(FQBNS),$(call arduino-ci,$(fqbn)))
+
+clean:
+	rm -rf $$(find . -type d -a -name .pio)
+
+.PHONY: help clean pio-run pio-run-all pio-ci pio-ci-all pio-boards pio-envs \
+	arduino-ci arduino-ci-all
+
+# Local Variables:
+# mode: makefile-gmake
+# End:
+# vim: set ft=make:

examples/pdp11/pdp11.ino

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2024 Tadashi G. Takaoka
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <arduino_example.h>
+#include <asm_pdp11.h>
+#include <dis_pdp11.h>
+
+libasm::pdp11::AsmPdp11 asmpdp11;
+libasm::pdp11::DisPdp11 dispdp11;
+
+libasm::arduino::Example example(asmpdp11, dispdp11);
+
+void setup() {
+    Serial.begin(9600);
+    example.begin(Serial);
+}
+
+void loop() {
+    example.loop();
+}
+
+// Local Variables:
+// mode: c++
+// c-basic-offset: 2
+// tab-width: 2
+// End:
+// vim: set ft=cpp et ts=2 sw=2:

examples/pdp11/platformio.ini

@@ -0,0 +1,33 @@
+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[platformio]
+src_dir = .
+default_envs = atmega1284p, avr128da, teensy41
+
+[env]
+lib_deps =
+         tgtakaoka/[email protected]
+         tgtakaoka/[email protected]
+
+[env:atmega1284p]
+platform = atmelavr
+board = ATmega1284P
+framework = arduino
+
+[env:avr128da]
+platform = atmelmegaavr
+board = AVR128DA48
+framework = arduino
+
+[env:teensy41]
+platform = teensy
+board = teensy41
+framework = arduino