Jeff Epler
81b92747f1
this is a _workaround_ for the fact that the mac framebuffer is inverted. we'll probably ditch it again once we copy the (512x342) framebuffer from PSRAM to SRAM....
194 lines
6.3 KiB
CMake
194 lines
6.3 KiB
CMake
# CMakeLists
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#
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# MIT License
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#
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# Copyright (c) 2021, 2024 Matt Evans
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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#
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cmake_minimum_required(VERSION 3.13)
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# Options that should be defined when initialising the build
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# directory with cmake, e.g. "cmake .. -DOPTION=true":
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#
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# Note: to build for pico2 / rp2350: cmake .. -DPICO_BOARD=pico2
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# Note: to build for fruit jam:
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# cmake -DBOARD=adafruit_fruit_jam -DPICO_BOARD=pico2 -DUSE_HSTX=1 -S . -B build_hstx -DPICO_SDK_PATH=../pico-sdk -DSD_TX=35 -DSD_RX=36 -DSD_SCK=34 -DSD_CS=39
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set(PICO_TINYUSB_PATH ${CMAKE_CURRENT_SOURCE_DIR}/lib/tinyusb)
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set(PIOUSB_PATH ${CMAKE_CURRENT_SOURCE_DIR}/lib/Pico-PIO-USB)
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option(USE_SD "Build in SD support" OFF)
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set(SD_TX 3 CACHE STRING "SD SPI TX pin")
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set(SD_RX 4 CACHE STRING "SD SPI RX pin")
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set(SD_SCK 2 CACHE STRING "SD SPI SCK pin")
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set(SD_CS 5 CACHE STRING "SD SPI CS pin")
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set(SD_MHZ 5 CACHE STRING "SD SPI speed in MHz")
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option(USE_HSTX "Use HSTX digital video (only for rp2350 / pico2)" OFF)
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# Options for HSTX output (defaults are for Adafruit FruitJam)
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# HSTX always uses 640x480 for now
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set(HSTX_CKP 12 CACHE STRING "HSTX CK+ PIN")
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set(HSTX_D0P 14 CACHE STRING "HSTX D0+ PIN")
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set(HSTX_D1P 16 CACHE STRING "HSTX D1+ PIN")
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set(HSTX_D2P 18 CACHE STRING "HSTX D2+ PIN")
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# Options for analog VGA output
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option(USE_VGA_RES "Video uses VGA (640x480) resolution" OFF)
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set(VIDEO_PIN 18 CACHE STRING "VGA Video GPIO base pin (followed by VS, CLK, HS)")
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# Pins for PIO-based USB host
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set(PIN_USB_HOST_DP 1 CACHE STRING "USB D+ PIN")
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set(PIN_USB_HOST_DM 2 CACHE STRING "USB D- PIN")
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# See below, -DMEMSIZE=<size in KB> will configure umac's memory size,
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# overriding defaults.
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# initialize the SDK based on PICO_SDK_PATH
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# note: this must happen before project()
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include(pico_sdk_import.cmake)
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project(firmware)
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# initialize the Raspberry Pi Pico SDK
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pico_sdk_init()
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# For TUSB host stuff:
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set(FAMILY rp2040)
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set(BOARD raspberry_pi_pico)
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# umac subproject (and Musashi sub-subproject)
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set(UMAC_PATH ${CMAKE_CURRENT_SOURCE_DIR}/external/umac)
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set(UMAC_MUSASHI_PATH ${UMAC_PATH}/external/Musashi)
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set(UMAC_INCLUDE_PATHS ${UMAC_PATH}/include ${UMAC_MUSASHI_PATH})
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# This isn't very nice, but hey it's Sunday :p
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set(UMAC_SOURCES
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${UMAC_PATH}/src/disc.c
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${UMAC_PATH}/src/main.c
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${UMAC_PATH}/src/rom.c
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${UMAC_PATH}/src/scc.c
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${UMAC_PATH}/src/via.c
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${UMAC_MUSASHI_PATH}/m68kcpu.c
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${UMAC_MUSASHI_PATH}/m68kdasm.c
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${UMAC_MUSASHI_PATH}/m68kops.c
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${UMAC_MUSASHI_PATH}/softfloat/softfloat.c
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)
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set(MEMSIZE 128 CACHE STRING "Memory size, in KB")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ggdb -g3 -O3 -DPICO -DMUSASHI_CNF=\\\"../include/m68kconf.h\\\" -DUMAC_MEMSIZE=${MEMSIZE}")
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if (USE_SD)
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add_compile_definitions(USE_SD=1)
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set(FF_DISABLE_RTC ${PICO_RP2350}) # RP2350 doesn't have RTC, so disable it
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add_subdirectory(external/no-OS-FatFS-SD-SPI-RPi-Pico/FatFs_SPI build)
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set(EXTRA_SD_SRC src/sd_hw_config.c)
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set(EXTRA_SD_LIB FatFs_SPI)
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add_compile_definitions(SD_TX=${SD_TX} SD_RX=${SD_RX} SD_SCK=${SD_SCK} SD_CS=${SD_CS} SD_MHZ=${SD_MHZ})
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endif()
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if (USE_HSTX)
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add_compile_definitions(USE_VGA_RES=1)
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add_compile_definitions(DISP_WIDTH=640)
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add_compile_definitions(DISP_HEIGHT=480)
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add_compile_definitions(HSTX_CKP=${HSTX_CKP} HSTX_D0P=${HSTX_D0P} HSTX_D1P=${HSTX_D1P} HSTX_D2P=${HSTX_D2P})
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set(VIDEO_SRC src/video_hstx.c)
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else()
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if (USE_VGA_RES)
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add_compile_definitions(USE_VGA_RES=1)
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add_compile_definitions(DISP_WIDTH=640)
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add_compile_definitions(DISP_HEIGHT=480)
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else()
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add_compile_definitions(DISP_WIDTH=512)
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add_compile_definitions(DISP_HEIGHT=342)
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endif()
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add_compile_definitions(GPIO_VID_BASE=${VIDEO_PIN})
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set(VIDEO_SRC src/video_vga.c)
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endif()
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add_compile_definitions(PIN_USB_HOST_DP=${PIN_USB_HOST_DP})
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add_compile_definitions(PIN_USB_HOST_DM=${PIN_USB_HOST_DM})
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add_compile_definitions(PICO_DEFAULT_PIO_USB_DP_PIN=${PIN_USB_HOST_DP})
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add_compile_definitions(PICO_DEFAULT_PIO_USB_DM_PIN=${PIN_USB_HOST_DM})
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if (TARGET tinyusb_device)
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add_executable(firmware
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src/main.c
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${VIDEO_SRC}
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src/kbd.c
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src/hid.c
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${EXTRA_SD_SRC}
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${PICO_TINYUSB_PATH}/src/portable/raspberrypi/pio_usb/hcd_pio_usb.c
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${PIOUSB_PATH}/src/pio_usb.c
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${PIOUSB_PATH}/src/pio_usb_host.c
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${PIOUSB_PATH}/src/usb_crc.c
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${UMAC_SOURCES}
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)
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# The umac sources need to prepare Musashi (some sources are generated):
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add_custom_command(OUTPUT ${UMAC_MUSASHI_PATH}/m68kops.c
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COMMAND echo "*** Preparing umac source ***"
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COMMAND make -C ${UMAC_PATH} prepare
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)
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add_custom_target(prepare_umac
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DEPENDS ${UMAC_MUSASHI_PATH}/m68kops.c
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)
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add_dependencies(firmware prepare_umac)
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target_link_libraries(firmware
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pico_stdlib
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pico_multicore
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tinyusb_host
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tinyusb_board
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hardware_dma
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hardware_pio
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hardware_sync
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${EXTRA_SD_LIB}
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)
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target_include_directories(firmware PRIVATE
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${CMAKE_CURRENT_LIST_DIR}/include
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${PICO_TINYUSB_PATH}/hw
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${PICO_TINYUSB_PATH}/src
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${UMAC_INCLUDE_PATHS}
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${PIOUSB_PATH}/src
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incbin
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${CMAKE_CURRENT_LIST_DIR}
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)
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if (NOT USE_HSTX)
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pico_generate_pio_header(firmware ${CMAKE_CURRENT_LIST_DIR}/src/pio_video.pio)
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endif()
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pico_enable_stdio_uart(firmware 1)
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# Needed for UF2:
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pico_add_extra_outputs(firmware)
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elseif(PICO_ON_DEVICE)
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message(WARNING "not building firmware because TinyUSB submodule is not initialized in the SDK")
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endif()
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