I transplant uCos 2.52 version, in MCS51 run a number of optimized code, you can compile in small model.

MY_RTOS_OK_2.52
...............\keil uCOS_II v2.52 port
...............\.......................\EX1L.C
...............\.......................\INCLUDES.H
...............\.......................\main.c
...............\.......................\MYkc51
...............\.......................\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
...............\.......................\STARTUP.A51
...............\.......................\uCOS_II.H
...............\SOURCE
...............\......\OS_CORE.C
...............\......\OS_CORE.SRC
...............\......\OS_FLAG.C
...............\......\OS_MBOX.C
...............\......\OS_MEM.C
...............\......\OS_MUTEX.C
...............\......\OS_Q.C
...............\......\OS_SEM.C
...............\......\OS_TASK.C
...............\......\OS_TASK.SRC
...............\......\OS_TIME.C
...............\......\uCOS_II.C
...............\......\uCOS_II.H

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．