I transplant uCos 2.86 version, you can run in single-chip 51 in AT89C51ED2 tested.

MCS51
.....\app2
.....\....\app_cfg.h
.....\....\app_cfg.h_cbf
.....\....\EX1L.C
.....\....\includes.h
.....\....\main.c
.....\....\MYkc51
.....\....\MYkc51.MAP
.....\....\MYkc51.Opt
.....\....\MYkc51.plg
.....\....\MYkc51.SBR
.....\....\MYkc51.Uv2
.....\....\OS_A.SRC
.....\....\OS_C.C
.....\....\OS_C.SRC
.....\....\os_cfg.h
.....\....\os_core.SRC
.....\....\OS_Cpu_a1.SRC
.....\....\OS_CPU_C.SRC
.....\....\REG51RD2.h
.....\....\STARTUP.A51
.....\BSP
.....\...\bsp.c
.....\...\bsp.h
.....\...\bsp_a.s
.....\...\bsp_lcd.c
.....\port
.....\....\EX1L.C
.....\....\INCLUDES.H
.....\....\main.c
.....\....\main_1.c
.....\....\MYkc51.Uv2
.....\....\OS_CFG.H
.....\....\OS_CPU.H
.....\....\OS_CPU_A.A51
.....\....\OS_CPU_C.C
.....\....\OS_CPU_C.SRC
.....\....\os_kc51.h
.....\....\os_kcdef.h
.....\....\PC.H
.....\....\REG51RD2.h
.....\....\STARTUP.A51
.....\....\uCOS_II.H
.....\uC-LCD
.....\......\OS
.....\......\..\uCOS-II
.....\......\..\.......\lcd_os.c
.....\......\Source
.....\......\......\lcd.c
.....\......\......\lcd.h
.....\uCOS-II
.....\.......\Ports
.....\.......\.....\MCS51
.....\.......\.....\.....\Keil
.....\.......\.....\.....\....\os_cpu.h
.....\.......\.....\.....\....\OS_CPU_A.A51
.....\.......\.....\.....\....\OS_CPU_C.C
.....\.......\.....\.....\....\OS_CPU_C.SRC
.....\.......\.....\.....\....\os_dbg.c
.....\.......\Source
.....\.......\......\os_core.c
.....\.......\......\os_flag.c
.....\.......\......\os_mbox.c
.....\.......\......\os_mem.c
.....\.......\......\os_mutex.c
.....\.......\......\os_q.c
.....\.......\......\os_sem.c
.....\.......\......\os_task.c
.....\.......\......\os_time.c
.....\.......\......\os_tmr.c
.....\.......\......\ucos_ii.h
.....\.......\uC-CPU
.....\.......\......\cpu_def.h
.....\.......\......\MCS51
.....\.......\......\.....\Keil
.....\.......\......\.....\....\cpu.h
.....\.......\......\.....\....\cpu_data.h
.....\.......\......\.....\....\OS_C.C
.....\.......\uC-LIB
.....\.......\......\lib_def.h
.....\.......\......\lib_mem.c
.....\.......\......\lib_mem.h
.....\.......\......\lib_str.c
.....\.......\......\lib_str.h
.....\.......\uC-Probe
.....\.......\........\Target
.....\.......\........\......\Communication
.....\.......\........\......\.............\Generic
.....\.......\........\......\.............\.......\OS
.....\.......\........\......\.............\.......\..\uCOS-II
.....\.......\........\......\.............\.......\..\.......\probe_com_os.c
.....\.......\........\......\.............\.......\RS-232
.....\.......\........\......\.............\.......\......\OS
.....\.......\........\......\.............\.......\......\..\uCOS-II
.....\.......\........\......\.............\.......\......\..\.......\probe_rs232_os.c
.....\.......\........\......\.............\.......\......\Ports
.....\.......\........\......\.............\.......\......\.....\Microchip
.....\.......\........\......\.............\.......\......\.....\.........\dsPIC33
.....\.......\........\......\.............\.......\......\.....\.........\.......\C30

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