diff --git a/Port/80251/port_80251.c b/Port/80251/port_80251.c
new file mode 100644
index 0000000..6d4e465
--- /dev/null
+++ b/Port/80251/port_80251.c
@@ -0,0 +1,293 @@
+/**************************************************************************//**
+ * @item     CosyOS-III Port
+ * @file     port_80251.c
+ * @brief    80251 Core Port File
+ * @author   迟凯峰
+ * @version  V2.2.0
+ * @date     2026.01.13
+ ******************************************************************************/
+
+#include "os_var.h"
+#ifdef __PORT_80251_H
+
+s_u16_t _SYS_MEM_ m_bsp_add = sizeof(s_taskhand_ts);
+static s_u8_t xdata mVOID _at_ 0;
+
+
+/*
+ * 全局临界区
+ */
+
+static bit m_oldirq;
+static volatile s_u8_t _SYS_MEM_ m_glocri_counter/**/sZeroInstall;
+
+void mx_disable_irq(void)
+{
+	if(_testbit_(EA)){
+		m_oldirq = 1;
+	}
+	else if(!m_glocri_counter){
+		m_oldirq = 0;
+	}
+	m_glocri_counter++;
+}
+
+void mx_resume_irq(void)
+{
+	m_glocri_counter--;
+	if(!m_glocri_counter){
+		EA = m_oldirq;
+	}
+}
+
+
+/*
+ * 中断FIFO服务
+ */
+
+#if (MCUCFG_PENDSVFIFO_DEPTH > 0)
+
+#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
+s_u8_t mPendSV_FIFO_DepthMAX/**/sZeroInstall;
+#endif
+bit m_sign_fifo = true;
+static void _STATIC_MEM_ *mPendSV_FIFO_0[MCUCFG_PENDSVFIFO_DEPTH + MCUCFG_PENDSVFIFO_MUTEX - 1] _at_ 0x0100;
+static void _STATIC_MEM_ *mPendSV_FIFO_1[MCUCFG_PENDSVFIFO_DEPTH + MCUCFG_PENDSVFIFO_MUTEX - 1] _at_ 0x0200;
+static void _fifo_x_(void _STATIC_MEM_ *sv)
+{
+	(*sPendSV_FIFOHandler[*(const s_u8_t _STATIC_MEM_ *)sv])(sv);
+}
+
+s_u8_t _SYS_MEM_ m_fifo_0_count = MCUCFG_PENDSVFIFO_DEPTH;
+s_u8_t _SYS_MEM_ m_fifo_1_count = MCUCFG_PENDSVFIFO_DEPTH;
+#define mWriteCode(n) \
+bit m_sign_fifo_0_##n = true; \
+bit m_sign_fifo_1_##n = true
+
+mWriteCode(0);
+mWriteCode(1);
+mWriteCode(2);
+mWriteCode(3);
+mWriteCode(4);
+mWriteCode(5);
+mWriteCode(6);
+mWriteCode(7);
+#if (MCUCFG_PENDSVFIFO_DEPTH > 8)
+mWriteCode(8);
+mWriteCode(9);
+mWriteCode(10);
+mWriteCode(11);
+mWriteCode(12);
+mWriteCode(13);
+mWriteCode(14);
+mWriteCode(15);
+#if (MCUCFG_PENDSVFIFO_DEPTH > 16)
+mWriteCode(16);
+mWriteCode(17);
+mWriteCode(18);
+mWriteCode(19);
+mWriteCode(20);
+mWriteCode(21);
+mWriteCode(22);
+mWriteCode(23);
+#if (MCUCFG_PENDSVFIFO_DEPTH > 24)
+mWriteCode(24);
+mWriteCode(25);
+mWriteCode(26);
+mWriteCode(27);
+mWriteCode(28);
+mWriteCode(29);
+mWriteCode(30);
+mWriteCode(31);
+#if (MCUCFG_PENDSVFIFO_DEPTH > 32)
+mWriteCode(32);
+mWriteCode(33);
+mWriteCode(34);
+mWriteCode(35);
+mWriteCode(36);
+mWriteCode(37);
+mWriteCode(38);
+mWriteCode(39);
+#endif
+#endif
+#endif
+#endif
+
+#undef mWriteCode
+
+void mPendSV_FIFOHandler(void)
+{
+	#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
+	s_u8_t i;
+	#endif
+	
+__LABLE:
+	m_sign_fifo = false;
+	
+	m_sign_fifo_0_0 = true;
+	      _fifo_x_(*(void _STATIC_MEM_ * _STATIC_MEM_ *)(mPendSV_FIFO_0 + 0));
+	
+	#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
+	#define mWriteCode(n) \
+	if(m_sign_fifo_0_##n){ i = n; goto __LABLE_0; } \
+	   m_sign_fifo_0_##n = true; \
+	         _fifo_x_(*(void _STATIC_MEM_ * _STATIC_MEM_ *)(mPendSV_FIFO_0 + n))
+	#else
+	#define mWriteCode(n) \
+	if(m_sign_fifo_0_##n)  goto __LABLE_0; \
+	   m_sign_fifo_0_##n = true; \
+	         _fifo_x_(*(void _STATIC_MEM_ * _STATIC_MEM_ *)(mPendSV_FIFO_0 + n))
+	#endif
+	
+	mWriteCode(1);
+	mWriteCode(2);
+	mWriteCode(3);
+	mWriteCode(4);
+	mWriteCode(5);
+	mWriteCode(6);
+	mWriteCode(7);
+	#if (MCUCFG_PENDSVFIFO_DEPTH > 8)
+	mWriteCode(8);
+	mWriteCode(9);
+	mWriteCode(10);
+	mWriteCode(11);
+	mWriteCode(12);
+	mWriteCode(13);
+	mWriteCode(14);
+	mWriteCode(15);
+	#if (MCUCFG_PENDSVFIFO_DEPTH > 16)
+	mWriteCode(16);
+	mWriteCode(17);
+	mWriteCode(18);
+	mWriteCode(19);
+	mWriteCode(20);
+	mWriteCode(21);
+	mWriteCode(22);
+	mWriteCode(23);
+	#if (MCUCFG_PENDSVFIFO_DEPTH > 24)
+	mWriteCode(24);
+	mWriteCode(25);
+	mWriteCode(26);
+	mWriteCode(27);
+	mWriteCode(28);
+	mWriteCode(29);
+	mWriteCode(30);
+	mWriteCode(31);
+	#if (MCUCFG_PENDSVFIFO_DEPTH > 32)
+	mWriteCode(32);
+	mWriteCode(33);
+	mWriteCode(34);
+	mWriteCode(35);
+	mWriteCode(36);
+	mWriteCode(37);
+	mWriteCode(38);
+	mWriteCode(39);
+	#endif
+	#endif
+	#endif
+	#endif
+
+	#undef mWriteCode
+	
+	#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
+	if(m_fifo_0_count > mPendSV_FIFO_DepthMAX){
+		mPendSV_FIFO_DepthMAX = m_fifo_0_count;
+	}
+	m_fifo_0_count = MCUCFG_PENDSVFIFO_DEPTH;
+	#endif
+__LABLE_0:
+	#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
+	if(i > mPendSV_FIFO_DepthMAX){
+		mPendSV_FIFO_DepthMAX = i;
+	}
+	#endif
+	
+	m_sign_fifo = true;
+	if(m_sign_fifo_1_0) return;
+	
+	m_sign_fifo_1_0 = true;
+	      _fifo_x_(*(void _STATIC_MEM_ * _STATIC_MEM_ *)(mPendSV_FIFO_1 + 0));
+	
+	#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
+	#define mWriteCode(n) \
+	if(m_sign_fifo_1_##n){ i = n; goto __LABLE_1; } \
+	   m_sign_fifo_1_##n = true; \
+	         _fifo_x_(*(void _STATIC_MEM_ * _STATIC_MEM_ *)(mPendSV_FIFO_1 + n))
+	#else
+	#define mWriteCode(n) \
+	if(m_sign_fifo_1_##n)  goto __LABLE_1; \
+	   m_sign_fifo_1_##n = true; \
+	         _fifo_x_(*(void _STATIC_MEM_ * _STATIC_MEM_ *)(mPendSV_FIFO_1 + n))
+	#endif
+	
+	mWriteCode(1);
+	mWriteCode(2);
+	mWriteCode(3);
+	mWriteCode(4);
+	mWriteCode(5);
+	mWriteCode(6);
+	mWriteCode(7);
+	#if (MCUCFG_PENDSVFIFO_DEPTH > 8)
+	mWriteCode(8);
+	mWriteCode(9);
+	mWriteCode(10);
+	mWriteCode(11);
+	mWriteCode(12);
+	mWriteCode(13);
+	mWriteCode(14);
+	mWriteCode(15);
+	#if (MCUCFG_PENDSVFIFO_DEPTH > 16)
+	mWriteCode(16);
+	mWriteCode(17);
+	mWriteCode(18);
+	mWriteCode(19);
+	mWriteCode(20);
+	mWriteCode(21);
+	mWriteCode(22);
+	mWriteCode(23);
+	#if (MCUCFG_PENDSVFIFO_DEPTH > 24)
+	mWriteCode(24);
+	mWriteCode(25);
+	mWriteCode(26);
+	mWriteCode(27);
+	mWriteCode(28);
+	mWriteCode(29);
+	mWriteCode(30);
+	mWriteCode(31);
+	#if (MCUCFG_PENDSVFIFO_DEPTH > 32)
+	mWriteCode(32);
+	mWriteCode(33);
+	mWriteCode(34);
+	mWriteCode(35);
+	mWriteCode(36);
+	mWriteCode(37);
+	mWriteCode(38);
+	mWriteCode(39);
+	#endif
+	#endif
+	#endif
+	#endif
+	
+	#undef mWriteCode
+	
+	#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
+	if(m_fifo_1_count > mPendSV_FIFO_DepthMAX){
+		mPendSV_FIFO_DepthMAX = m_fifo_1_count;
+	}
+	m_fifo_1_count = MCUCFG_PENDSVFIFO_DEPTH;
+	#endif
+__LABLE_1:
+	#if (SYSCFG_PENDSVFIFO_MONITOR == __ENABLED__)
+	if(i > mPendSV_FIFO_DepthMAX){
+		mPendSV_FIFO_DepthMAX = i;
+	}
+	#endif
+	
+	if(!m_sign_fifo_0_0) goto __LABLE;
+}
+
+#endif
+
+
+
+#endif
diff --git a/Port/80251/port_80251.h b/Port/80251/port_80251.h
new file mode 100644
index 0000000..d758b70
--- /dev/null
+++ b/Port/80251/port_80251.h
@@ -0,0 +1,248 @@
+/**************************************************************************//**
+ * @item     CosyOS-III Port
+ * @file     port_80251.h
+ * @brief    80251 Core Port File
+ * @author   迟凯峰
+ * @version  V2.2.0
+ * @date     2026.01.13
+ ******************************************************************************/
+
+#ifndef __PORT_80251_H
+#define __PORT_80251_H
+
+/* INCLUDE */
+#include <intrins.h>
+#include "os_base.h"
+#include "os_def.h"
+#include "syscfg.h"
+#include "mcucfg_80251.h"
+#include SYSCFG_STANDARDHEAD
+
+
+/* Memory */
+#define _SYS_MEM_    data
+#define _CODE_MEM_
+#define _CONST_MEM_
+#define _STACK_MEM_  near
+#define _XDATA_MEM_  xdata
+  #if (MCUCFG_MEMORYMODEL == 0)
+#define _STATIC_MEM_ near
+#define _MALLOC_MEM_ near
+#define _OBJ_MEM_    near
+#elif (MCUCFG_MEMORYMODEL == 1)
+#define _STATIC_MEM_ near
+#define _MALLOC_MEM_ near
+#define _OBJ_MEM_    near
+#elif (MCUCFG_MEMORYMODEL == 2)
+#define _STATIC_MEM_ near
+#define _MALLOC_MEM_ xdata
+#define _OBJ_MEM_
+#elif (MCUCFG_MEMORYMODEL == 3)
+#define _STATIC_MEM_ xdata
+#define _MALLOC_MEM_ near
+#define _OBJ_MEM_
+#elif (MCUCFG_MEMORYMODEL == 4)
+#define _STATIC_MEM_ xdata
+#define _MALLOC_MEM_ xdata
+#define _OBJ_MEM_    xdata
+#endif
+/*
+ * 用户自定义内存
+ * 用户可自定义下方的内存，以寻求在性能和资源之间取得平衡。默认为未定义，由内存MODEL决定。
+ * 在 os_var.c、os_var.h 中，用户也可逐个查看及调整对应定义内存的变量，以实现极致的优化。
+ */
+#define _RTC_MEM_    /* 软件RTC相关系统变量的内存 */
+#define _DEBUG_MEM_  /* DEBUG相关系统变量的内存 */
+
+
+/* Register */
+#define _SYS_REG_
+
+
+/* Typedef */
+#define m_boolvoid_tf *(s_boolvoid_tfp)
+#ifndef bool
+typedef s_u8_t bool;
+#endif
+typedef bit      m_bit_t;
+typedef s_u16_t  m_sp_t;
+typedef s_u32_t  m_tick_t;
+typedef s_u32_t  m_pc_t;
+typedef s_u16_t  m_tqcount_t;
+typedef s_u16_t  m_fetion_t;
+typedef s_u32_t  m_group_t;
+typedef s_u16_t  m_stacksize_t;
+typedef s_u16_t  m_stacklen_t;
+#if (SYSCFG_SYSTICK_CYCLE > 1000000UL / 65536)
+typedef s_u16_t  m_rtccount_t;
+#else
+typedef s_u32_t  m_rtccount_t;
+#endif
+
+
+/* Extern */
+extern  bit      m_sign_fifo_0_0;
+extern  s_u8_t   mPendSV_FIFO_DepthMAX;
+extern  void     mx_disable_irq(void);
+extern  void     mx_resume_irq (void);
+extern  void     mPendSV_FIFOHandler(void);
+#pragma SAVE
+#pragma functions(static)
+extern  void     mPendSV_FIFOLoader (void _STATIC_MEM_ *sv);
+#pragma RESTORE
+
+
+/* CMSIS */
+#ifndef __WEAK
+#define __WEAK
+#endif
+#ifndef __NOP
+#define __NOP _nop_
+#endif
+#ifndef __STATIC_FORCEINLINE
+#define __STATIC_FORCEINLINE static
+#endif
+#ifndef __NOINLINE
+#define __NOINLINE
+#endif
+#define __UNUSED(X) void *p_##X = (void *)X
+
+
+/* CONST & ATTRIBUTE */
+#define MCUCFG_ISA                __MCS_251__
+#define MCUCFG_PCLEN              4
+#define MCUCFG_TASK_ATTRIBUTE
+#define MCUCFG_OSIT_ATTRIBUTE
+#define MCUCFG_SYSTICK_ATTRIBUTE  interrupt 1
+#define MCUCFG_TERNARYMASK
+
+#define MCUCFG_STACK_ALIGN
+/** \PUSH {4 Byte Interrupt Frame,DR28-DR0,DR56,PSW1,PSW,[USERREG(ASM)]} */
+#define MCUCFG_BASICSTACKSIZE     (42 + MCUCFG_USERREGSIZE)
+
+
+/* TaskNode */
+#define mTaskNode_Tail_           mUserReg_DEFc_
+
+
+/* SysTick */
+#define MCUCFG_SYSTICK_COUNTMODE    3                /*!< 计数方式，3：从重装载值向上计数至零溢出 */
+#define MCUCFG_SYSTICK_LIMITVALUE  (1UL << 16)       /*!< 极限值 */
+#define MCUCFG_SYSTICK_CURRVALUE  ((TH0 << 8) | TL0) /*!< 当前值寄存器 */
+#define MCUCFG_SYSTICK_CLKDIV     ((MCUCFG_SYSCLKHZ / 1000UL * SYSCFG_SYSTICK_CYCLE <= MCUCFG_SYSTICK_MAXVALUE * 1000UL) ? 1 : 12)
+#define MCUCFG_SYSTICK_COUNT1CYC  ((MCUCFG_SYSCLKHZ / 1000UL * SYSCFG_SYSTICK_CYCLE) / MCUCFG_SYSTICK_CLKDIV   / 1000UL)
+#define MCUCFG_SYSTICK_LOADVALUE   (MCUCFG_SYSTICK_LIMITVALUE - MCUCFG_SYSTICK_COUNT1CYC)
+#define MCUCFG_SYSTICK_MAXVALUE     MCUCFG_SYSTICK_LIMITVALUE
+#define MCUCFG_SYSTICK_MINVALUE     MCUCFG_SYSTICK_LOADVALUE
+#if (MCUCFG_SYSTICK_COUNT1CYC > (MCUCFG_SYSTICK_LIMITVALUE - 1))
+#error 系统滴答定时器溢出。
+#endif
+#define mSysTick_INIT() \
+do{ \
+	AUXR = MCUCFG_SYSTICK_CLKDIV == 1 ? AUXR | 0x80 : AUXR &~0x80; \
+	TMOD &= 0xF0; \
+	TL0 = (s_u8_t)(MCUCFG_SYSTICK_LOADVALUE); \
+	TH0 = (s_u8_t)(MCUCFG_SYSTICK_LOADVALUE >> 8); \
+	TR0 = 1; \
+}while(false)
+#define mSysTick_Disable()  ET0 = 0
+#define mSysTick_Enable()   ET0 = 1
+#define mSysTick_Clear()
+
+
+/* 内核锁 */
+#define mSysIRQ_Disable() \
+do{ \
+	mPendSV_Disable(); \
+	mSysTick_Disable(); \
+}while(false)
+
+#define mSysIRQ_Enable() \
+do{ \
+	mSysTick_Enable(); \
+	mPendSV_Enable(); \
+}while(false)
+
+
+/* CosyOS初始化 */
+#define mCosyOS_INIT() \
+do{ \
+	s_init_mempool((void _MALLOC_MEM_ *)MCUCFG_MALLOCMEMBPTR, MCUCFG_MALLOCMEMSIZE); \
+	OS_NOP(1); \
+	mSysTick_INIT(); \
+	mSysIRQ_Enable(); \
+	EA = 1; \
+}while(false)
+
+
+/* CosyOS低功耗 */
+#define mCosyOS_IDLE() \
+do{ \
+	PCON |= 0x01; \
+	OS_NOP(4); \
+}while(false)
+
+
+/* 中断挂起服务_FIFO */
+#define mPendSV_FIFOLoad() \
+do{ \
+	mPendSV_FIFOLoader(&u_psv); \
+	mPendSV_Set(); \
+}while(false)
+
+#define mPendSV_FIFOHandle() \
+	if(!m_sign_fifo_0_0) mPendSV_FIFOHandler()
+
+
+/* 事件标志组-中断中写多标志位 */
+#define miWriteFlagBits() \
+	if(!u_psv.value){ \
+		do{}while(false)
+
+
+/* 任务栈 */
+#define mTaskStack_INIT0() \
+do{ \
+	*(s_u32_t *)node_news->bsp = ( \
+	   ((s_u16_t)s_task_starter->entry << 8) \
+	 | ((s_u16_t)s_task_starter->entry >> 8) \
+	 | ((s_u32_t)s_task_starter->entry & 0xFFFF0000) \
+	); \
+	*(s_u8_t *)(node_news->bsp + 42 - 5) = DPXL; \
+	*(s_u8_t *)(node_news->bsp + 42 - 1) = 0; \
+	mUserReg_INITa(); \
+	mUserReg_INITc(); \
+}while(false)
+
+#define mTaskStack_LEN()
+
+
+/* MSP模式 */
+#if (MCUCFG_TASKSTACK_MODE == __MSP__)
+#define MCUCFG_TASKSTACK_REALLOC __ENABLED__
+#define mTaskNode_Head_   m_stacksize_t stacklen;
+#define mTaskStack_INIT() \
+do{ \
+	mTaskStack_INIT0(); \
+	node_news->stacklen = MCUCFG_BASICSTACKSIZE; \
+}while(false)
+
+
+/* PSP模式 */
+#elif (MCUCFG_TASKSTACK_MODE == __PSP__)
+#define MCUCFG_TASKSTACK_REALLOC __DISABLED__
+#define mTaskNode_Head_   m_sp_t psp;
+#define mTaskStack_INIT() \
+do{ \
+	mTaskStack_INIT0(); \
+	node_news->psp = (m_sp_t)node_news->bsp + MCUCFG_BASICSTACKSIZE - 1; \
+}while(false)
+#endif
+
+
+/* 全局临界区 */
+#define mxDisableIRQ()  mx_disable_irq()
+#define mxResumeIRQ()   mx_resume_irq()
+
+
+#endif
diff --git a/Port/80251/port_80251s.s b/Port/80251/port_80251s.s
new file mode 100644
index 0000000..4d6c83b
--- /dev/null
+++ b/Port/80251/port_80251s.s
@@ -0,0 +1,683 @@
+;*******************************************************************************
+;* @item     CosyOS-III Port
+;* @file     port_80251s.s
+;* @brief    80251 Core Port File
+;* @author   迟凯峰
+;* @version  V2.2.0
+;* @date     2026.01.13
+;*******************************************************************************
+;
+$INCLUDE (syscfg.h)
+IF SYSCFG_MCUCORE == 80251
+$INCLUDE (mcucfg_80251.h)
+$INCLUDE (mcucfg_80251.inc)
+;
+;///////////////////////////////////////////////////////////////////////////////
+;
+; 用户定义寄存器
+;
+; 1、mcucfg_80251.h -> PendSV中断配置 -> 中断清零，涉及的寄存器；
+; 2、用户自定义任务切换现场保护，汇编语言保护方案，涉及的寄存器；
+;
+; 通常，直接包含标准头文件（h、inc）即可。
+; 如果包含h文件导致编译报错，说明h文件中存在汇编器不能识别的C语言语法，
+; 您可包含inc文件或重写新的h文件，也可在此处直接定义相关寄存器。
+;
+TCON    DATA    088H
+IE0     BIT     TCON^1
+;
+;///////////////////////////////////////////////////////////////////////////////
+
+				NAME	PORT_80251S
+
+;///////////////////////////////////////////////////////////////////////////////
+
+$IF ROMHUGE		; Code Rom Size: Huge
+Prefix	LIT '?'
+PRSeg	LIT 'ECODE'
+PRJmp	LIT 'EJMP'
+PRCall	LIT 'ECALL'
+PRRet	LIT 'ERET'
+$ELSE			; Code Rom Size: Large
+Prefix  LIT ''
+PRSeg	LIT 'CODE'
+PRJmp	LIT 'LJMP'
+PRCall	LIT 'LCALL'
+PRRet	LIT 'RET'
+$ENDIF
+
+DPL		DATA	082H
+DPH		DATA	083H
+DPXL	DATA	084H
+PSW		DATA	0D0H
+PSW1	DATA	0D1H
+
+; OS_PendSV_Handler
+; PendSV中断服务函数
+
+?PR?OS_PendSV_Handler{Prefix}?PORT_80251S	SEGMENT	PRSeg
+?STACK			SEGMENT	EDATA
+				EXTRN	PRSeg(sPendSV_Handler{Prefix})
+				EXTRN	DATA (s_task_current)
+				EXTRN	DATA (s_task_news)
+				EXTRN	DATA (m_bsp_add)
+				IF SYSCFG_DEBUGGING == 1
+				EXTRN	BIT  (s_taskmgr_sign)
+				EXTRN	DATA (s_taskstacklen)
+				ENDIF
+				IF SYSCFG_TASKPC_MONITOR == 1
+				EXTRN	DATA (s_pc)
+				ENDIF
+
+				CSEG	AT	MCUCFG_PENDSV_VECTORADDR
+				PRJmp	OS_PendSV_Handler{Prefix}
+
+				RSEG	?PR?OS_PendSV_Handler{Prefix}?PORT_80251S
+OS_PendSV_Handler{Prefix}:
+
+				PUSH	DR28
+				PUSH	DR24
+				PUSH	DR20
+				PUSH	DR16
+				PUSH	DR12
+				PUSH	DR8
+				PUSH	DR4
+				PUSH	DR0
+				PUSH	DR56
+				PUSH	PSW1
+				PUSH	PSW
+
+				mPendSV_Clear
+				; 任务栈长
+IF SYSCFG_DEBUGGING == 1
+				CLR		C
+				MOV		DR8, DR60
+	IF MCUCFG_TASKSTACK_MODE == __MSP__
+				SUB		WR10, #WORD0 (?STACK-1)
+	ELSE
+				MOV		WR6, s_task_current
+				ADD		WR6, m_bsp_add
+				MOV		WR4, @WR6
+				DEC		WR4, #1
+				SUB		WR10, WR4
+	ENDIF
+	IF MCUCFG_USERREGSIZE
+				ADD		WR10, #MCUCFG_USERREGSIZE
+	ENDIF
+				MOV		s_taskstacklen, WR10
+ENDIF
+				PRCall	sPendSV_Handler{Prefix}
+
+				CLR		C
+				JNZ		?PROTECTING
+				LJMP	RETURN
+?PROTECTING:	DEC		A
+				JNZ		TASKPC
+				LJMP	RESTORE
+
+TASKPC:			; 任务PC
+IF SYSCFG_TASKPC_MONITOR == 1
+				JNB		s_taskmgr_sign, PROTECTING
+				MOV		DR8, DR60
+				SUB		WR10, #42-1
+				MOV		WR4, @WR10
+				MOV		R7, @WR10+2
+				MOV		R6, @WR10+3
+				MOV		R4, #0
+				MOV		s_pc, DR4
+ENDIF
+
+PROTECTING:		; 保护现场
+IF MCUCFG_USERREGSIZE
+				mUserReg_PUSH
+ENDIF
+
+				MOV		DR8, DR60
+IF MCUCFG_MEMORYMODEL == 0	; 方案一
+				MOV		WR6, s_task_current
+				MOV		@WR6, WR10
+ELSE
+				MOV		WR8, #0
+				SUB		WR10, #WORD0 (?STACK-1)
+				MOV		WR2, WR10
+				SRL		WR2
+				SRL		WR2
+	IF MCUCFG_MEMORYMODEL == 1	; 方案二
+	?REG	LIT 'WR6'
+				MOV		WR6, s_task_current
+				MOV		@WR6, WR10
+				ADD		WR6, m_bsp_add
+				MOV		WR6, @WR6
+				ADD		WR6, WR10
+				ANL		WR10, #3
+				JZ		SAVESTACK
+				INC		WR2, #1
+				INC		DR60, #4
+				SUB		DR60, DR8
+				INC		WR6, #4
+				SUB		WR6, WR10
+	ELSEIF MCUCFG_MEMORYMODEL == 2 || MCUCFG_MEMORYMODEL == 3	; 方案三 & 方案四
+	?REG	LIT 'DR28'
+				MOV		DR4, s_task_current
+				MOV		@DR4, WR10
+				MOV		WR12, #0
+				MOV		WR14, m_bsp_add
+				ADD		DR4, DR12
+				MOV		WR28, @DR4
+				MOV		WR30, @DR4+2
+				ADD		DR28, DR8
+				ANL		WR10, #3
+				JZ		SAVESTACK
+				INC		WR2, #1
+				INC		DR60, #4
+				SUB		DR60, DR8
+				INC		DR28, #4
+				SUB		DR28, DR8
+	ELSEIF MCUCFG_MEMORYMODEL == 4	; 方案五
+	?REG	LIT 'DR4'
+				MOV		R4, #0
+				MOV		R5, DPXL
+				MOV		WR6, s_task_current
+				MOV		@DR4, WR10
+				ADD		WR6, m_bsp_add
+				MOV		WR6, @DR4
+				ADD		WR6, WR10
+				ANL		WR10, #3
+				JZ		SAVESTACK
+				INC		WR2, #1
+				INC		DR60, #4
+				SUB		DR60, DR8
+				INC		WR6, #4
+				SUB		WR6, WR10
+	ENDIF
+
+SAVESTACK:
+	IF MCUCFG_TASKSWITCHMODE == 1
+				POP		DR12
+				MOV		@?REG-1*4+0, WR12
+				MOV		@?REG-1*4+2, WR14
+				POP		DR12
+				MOV		@?REG-2*4+0, WR12
+				MOV		@?REG-2*4+2, WR14
+				POP		DR12
+				MOV		@?REG-3*4+0, WR12
+				MOV		@?REG-3*4+2, WR14
+				POP		DR12
+				MOV		@?REG-4*4+0, WR12
+				MOV		@?REG-4*4+2, WR14
+				POP		DR12
+				MOV		@?REG-5*4+0, WR12
+				MOV		@?REG-5*4+2, WR14
+				POP		DR12
+				MOV		@?REG-6*4+0, WR12
+				MOV		@?REG-6*4+2, WR14
+				POP		DR12
+				MOV		@?REG-7*4+0, WR12
+				MOV		@?REG-7*4+2, WR14
+				POP		DR12
+				MOV		@?REG-8*4+0, WR12
+				MOV		@?REG-8*4+2, WR14
+				POP		DR12
+				MOV		@?REG-9*4+0, WR12
+				MOV		@?REG-9*4+2, WR14
+				POP		DR12
+				MOV		@?REG-10*4+0, WR12
+				MOV		@?REG-10*4+2, WR14
+				SUB		?REG, #10*4
+				SUB		WR2, #10
+	ENDIF
+SAVELOOP:		POP		DR12
+				DEC		?REG, #4
+				MOV		@?REG+0, WR12
+				MOV		@?REG+2, WR14
+				DEC		WR2, #1
+				JNE		SAVELOOP
+ENDIF
+
+RESTORE:		; 恢复现场
+IF MCUCFG_MEMORYMODEL == 0	; 方案一
+				MOV		WR6, s_task_news
+				MOV		s_task_current, WR6
+				MOV		WR10, @WR6
+				MOV		DR60, DR8
+ELSE
+				MOV		DR60, #WORD0 (?STACK-1)
+	IF MCUCFG_MEMORYMODEL == 1	; 方案二
+				MOV		WR6, s_task_news
+				MOV		s_task_current, WR6
+				MOV		WR10, @WR6
+				ADD		WR6, m_bsp_add
+				MOV		WR6, @WR6
+	ELSEIF MCUCFG_MEMORYMODEL == 2 || MCUCFG_MEMORYMODEL == 3	; 方案三 & 方案四
+				MOV		DR4, s_task_news
+				MOV		s_task_current, DR4
+				MOV		WR10, @DR4
+				MOV		WR12, #0
+				MOV		WR14, m_bsp_add
+				ADD		DR4, DR12
+				MOV		WR28, @DR4
+				MOV		WR30, @DR4+2
+	ELSEIF MCUCFG_MEMORYMODEL == 4	; 方案五
+				MOV		R4, #0
+				MOV		R5, DPXL
+				MOV		WR6, s_task_news
+				MOV		s_task_current, WR6
+				MOV		WR10, @DR4
+				ADD		WR6, m_bsp_add
+				MOV		WR6, @DR4
+	ENDIF
+				MOV		WR2, WR10
+				SRL		WR2
+				SRL		WR2
+				ANL		WR10, #3
+				JZ		RESTORESTACK
+				INC		WR2, #1
+
+RESTORESTACK:
+	IF MCUCFG_TASKSWITCHMODE == 1
+				MOV		WR12, @?REG+0*4+0
+				MOV		WR14, @?REG+0*4+2
+				PUSH	DR12
+				MOV		WR12, @?REG+1*4+0
+				MOV		WR14, @?REG+1*4+2
+				PUSH	DR12
+				MOV		WR12, @?REG+2*4+0
+				MOV		WR14, @?REG+2*4+2
+				PUSH	DR12
+				MOV		WR12, @?REG+3*4+0
+				MOV		WR14, @?REG+3*4+2
+				PUSH	DR12
+				MOV		WR12, @?REG+4*4+0
+				MOV		WR14, @?REG+4*4+2
+				PUSH	DR12
+				MOV		WR12, @?REG+5*4+0
+				MOV		WR14, @?REG+5*4+2
+				PUSH	DR12
+				MOV		WR12, @?REG+6*4+0
+				MOV		WR14, @?REG+6*4+2
+				PUSH	DR12
+				MOV		WR12, @?REG+7*4+0
+				MOV		WR14, @?REG+7*4+2
+				PUSH	DR12
+				MOV		WR12, @?REG+8*4+0
+				MOV		WR14, @?REG+8*4+2
+				PUSH	DR12
+				MOV		WR12, @?REG+9*4+0
+				MOV		WR14, @?REG+9*4+2
+				PUSH	DR12
+				ADD		?REG, #10*4
+				SUB		WR2, #10
+	ENDIF
+RESTORELOOP:	MOV		WR12, @?REG+0
+				MOV		WR14, @?REG+2
+				PUSH	DR12
+				INC		?REG, #4
+				DEC		WR2, #1
+				JNE		RESTORELOOP
+
+				JZ		USERREGPOP
+				MOV		WR8, #0
+				DEC		DR60, #4
+				ADD		DR60, DR8
+ENDIF
+
+USERREGPOP:
+IF MCUCFG_USERREGSIZE
+				mUserReg_POP
+ENDIF
+
+RETURN:			POP		PSW
+				POP		PSW1
+				POP		DR56
+				POP		DR0
+				POP		DR4
+				POP		DR8
+				POP		DR12
+				POP		DR16
+				POP		DR20
+				POP		DR24
+				POP		DR28
+
+				RETI
+
+;///////////////////////////////////////////////////////////////////////////////
+
+; 中断FIFO服务
+
+IF MCUCFG_PENDSVFIFO_DEPTH > 0
+
+; 中断FIFO服务-抢占队列项
+
+?PR?mPendSV_FIFOPreempt{Prefix}?PORT_80251S	SEGMENT	PRSeg
+				EXTRN	BIT  (m_sign_fifo)
+				EXTRN	DATA (m_fifo_0_count)
+				EXTRN	DATA (m_fifo_1_count)
+
+				EXTRN	BIT  (m_sign_fifo_0_0)
+				EXTRN	BIT  (m_sign_fifo_0_1)
+				EXTRN	BIT  (m_sign_fifo_0_2)
+				EXTRN	BIT  (m_sign_fifo_0_3)
+				EXTRN	BIT  (m_sign_fifo_0_4)
+				EXTRN	BIT  (m_sign_fifo_0_5)
+				EXTRN	BIT  (m_sign_fifo_0_6)
+				EXTRN	BIT  (m_sign_fifo_0_7)
+				EXTRN	BIT  (m_sign_fifo_1_0)
+				EXTRN	BIT  (m_sign_fifo_1_1)
+				EXTRN	BIT  (m_sign_fifo_1_2)
+				EXTRN	BIT  (m_sign_fifo_1_3)
+				EXTRN	BIT  (m_sign_fifo_1_4)
+				EXTRN	BIT  (m_sign_fifo_1_5)
+				EXTRN	BIT  (m_sign_fifo_1_6)
+				EXTRN	BIT  (m_sign_fifo_1_7)
+IF MCUCFG_PENDSVFIFO_DEPTH > 8
+				EXTRN	BIT  (m_sign_fifo_0_8)
+				EXTRN	BIT  (m_sign_fifo_0_9)
+				EXTRN	BIT  (m_sign_fifo_0_10)
+				EXTRN	BIT  (m_sign_fifo_0_11)
+				EXTRN	BIT  (m_sign_fifo_0_12)
+				EXTRN	BIT  (m_sign_fifo_0_13)
+				EXTRN	BIT  (m_sign_fifo_0_14)
+				EXTRN	BIT  (m_sign_fifo_0_15)
+				EXTRN	BIT  (m_sign_fifo_1_8)
+				EXTRN	BIT  (m_sign_fifo_1_9)
+				EXTRN	BIT  (m_sign_fifo_1_10)
+				EXTRN	BIT  (m_sign_fifo_1_11)
+				EXTRN	BIT  (m_sign_fifo_1_12)
+				EXTRN	BIT  (m_sign_fifo_1_13)
+				EXTRN	BIT  (m_sign_fifo_1_14)
+				EXTRN	BIT  (m_sign_fifo_1_15)
+IF MCUCFG_PENDSVFIFO_DEPTH > 16
+				EXTRN	BIT  (m_sign_fifo_0_16)
+				EXTRN	BIT  (m_sign_fifo_0_17)
+				EXTRN	BIT  (m_sign_fifo_0_18)
+				EXTRN	BIT  (m_sign_fifo_0_19)
+				EXTRN	BIT  (m_sign_fifo_0_20)
+				EXTRN	BIT  (m_sign_fifo_0_21)
+				EXTRN	BIT  (m_sign_fifo_0_22)
+				EXTRN	BIT  (m_sign_fifo_0_23)
+				EXTRN	BIT  (m_sign_fifo_1_16)
+				EXTRN	BIT  (m_sign_fifo_1_17)
+				EXTRN	BIT  (m_sign_fifo_1_18)
+				EXTRN	BIT  (m_sign_fifo_1_19)
+				EXTRN	BIT  (m_sign_fifo_1_20)
+				EXTRN	BIT  (m_sign_fifo_1_21)
+				EXTRN	BIT  (m_sign_fifo_1_22)
+				EXTRN	BIT  (m_sign_fifo_1_23)
+IF MCUCFG_PENDSVFIFO_DEPTH > 24
+				EXTRN	BIT  (m_sign_fifo_0_24)
+				EXTRN	BIT  (m_sign_fifo_0_25)
+				EXTRN	BIT  (m_sign_fifo_0_26)
+				EXTRN	BIT  (m_sign_fifo_0_27)
+				EXTRN	BIT  (m_sign_fifo_0_28)
+				EXTRN	BIT  (m_sign_fifo_0_29)
+				EXTRN	BIT  (m_sign_fifo_0_30)
+				EXTRN	BIT  (m_sign_fifo_0_31)
+				EXTRN	BIT  (m_sign_fifo_1_24)
+				EXTRN	BIT  (m_sign_fifo_1_25)
+				EXTRN	BIT  (m_sign_fifo_1_26)
+				EXTRN	BIT  (m_sign_fifo_1_27)
+				EXTRN	BIT  (m_sign_fifo_1_28)
+				EXTRN	BIT  (m_sign_fifo_1_29)
+				EXTRN	BIT  (m_sign_fifo_1_30)
+				EXTRN	BIT  (m_sign_fifo_1_31)
+IF MCUCFG_PENDSVFIFO_DEPTH > 32
+				EXTRN	BIT  (m_sign_fifo_0_32)
+				EXTRN	BIT  (m_sign_fifo_0_33)
+				EXTRN	BIT  (m_sign_fifo_0_34)
+				EXTRN	BIT  (m_sign_fifo_0_35)
+				EXTRN	BIT  (m_sign_fifo_0_36)
+				EXTRN	BIT  (m_sign_fifo_0_37)
+				EXTRN	BIT  (m_sign_fifo_0_38)
+				EXTRN	BIT  (m_sign_fifo_0_39)
+				EXTRN	BIT  (m_sign_fifo_1_32)
+				EXTRN	BIT  (m_sign_fifo_1_33)
+				EXTRN	BIT  (m_sign_fifo_1_34)
+				EXTRN	BIT  (m_sign_fifo_1_35)
+				EXTRN	BIT  (m_sign_fifo_1_36)
+				EXTRN	BIT  (m_sign_fifo_1_37)
+				EXTRN	BIT  (m_sign_fifo_1_38)
+				EXTRN	BIT  (m_sign_fifo_1_39)
+ENDIF
+ENDIF
+ENDIF
+ENDIF
+
+				RSEG	?PR?mPendSV_FIFOPreempt{Prefix}?PORT_80251S
+mPendSV_FIFOPreempt{Prefix}:
+
+IF MCUCFG_MEMORYMODEL <= 2
+				MOV		DR0, #0x0100
+ELSE
+				MOV		R0, #0
+				MOV		DPTR, #0x0100
+ENDIF
+				JB		m_sign_fifo, FIFO_0
+IF MCUCFG_MEMORYMODEL <= 2
+				INC		R2
+ELSE
+				INC		DPH
+ENDIF
+				LJMP	FIFO_1
+
+FIFO_0:			JBC		m_sign_fifo_0_0,  FIFO_X_0
+				JBC		m_sign_fifo_0_1,  FIFO_X_1
+				JBC		m_sign_fifo_0_2,  FIFO_X_2
+				JBC		m_sign_fifo_0_3,  FIFO_X_3
+				JBC		m_sign_fifo_0_4,  FIFO_X_4
+				JBC		m_sign_fifo_0_5,  FIFO_X_5
+				JBC		m_sign_fifo_0_6,  FIFO_X_6
+				JBC		m_sign_fifo_0_7,  FIFO_X_7
+IF MCUCFG_PENDSVFIFO_DEPTH > 8
+				JBC		m_sign_fifo_0_8,  FIFO_X_8
+				JBC		m_sign_fifo_0_9,  FIFO_X_9
+				JBC		m_sign_fifo_0_10, FIFO_X_10
+				JBC		m_sign_fifo_0_11, FIFO_X_11
+				JBC		m_sign_fifo_0_12, FIFO_X_12
+				JBC		m_sign_fifo_0_13, FIFO_X_13
+				JBC		m_sign_fifo_0_14, FIFO_X_14
+				JBC		m_sign_fifo_0_15, FIFO_X_15
+IF MCUCFG_PENDSVFIFO_DEPTH > 16
+				JBC		m_sign_fifo_0_16, FIFO_X_16
+				JBC		m_sign_fifo_0_17, FIFO_X_17
+				JBC		m_sign_fifo_0_18, FIFO_X_18
+				JBC		m_sign_fifo_0_19, FIFO_X_19
+				JBC		m_sign_fifo_0_20, FIFO_X_20
+				JBC		m_sign_fifo_0_21, FIFO_X_21
+				JBC		m_sign_fifo_0_22, FIFO_X_22
+				JBC		m_sign_fifo_0_23, FIFO_X_23
+IF MCUCFG_PENDSVFIFO_DEPTH > 24
+				JBC		m_sign_fifo_0_24, FIFO_X_24
+				JBC		m_sign_fifo_0_25, FIFO_X_25
+				JBC		m_sign_fifo_0_26, FIFO_X_26
+				JBC		m_sign_fifo_0_27, FIFO_X_27
+				JBC		m_sign_fifo_0_28, FIFO_X_28
+				JBC		m_sign_fifo_0_29, FIFO_X_29
+				JBC		m_sign_fifo_0_30, FIFO_X_30
+				JBC		m_sign_fifo_0_31, FIFO_X_31
+IF MCUCFG_PENDSVFIFO_DEPTH > 32
+				JBC		m_sign_fifo_0_32, FIFO_X_32
+				JBC		m_sign_fifo_0_33, FIFO_X_33
+				JBC		m_sign_fifo_0_34, FIFO_X_34
+				JBC		m_sign_fifo_0_35, FIFO_X_35
+				JBC		m_sign_fifo_0_36, FIFO_X_36
+				JBC		m_sign_fifo_0_37, FIFO_X_37
+				JBC		m_sign_fifo_0_38, FIFO_X_38
+				JBC		m_sign_fifo_0_39, FIFO_X_39
+ENDIF
+ENDIF
+ENDIF
+ENDIF
+				INC		m_fifo_0_count
+				INC		R0
+				PRRet
+
+FIFO_X_0:		MOV		A, #0*2
+				PRRet
+FIFO_X_1:		MOV		A, #1*2
+				PRRet
+FIFO_X_2:		MOV		A, #2*2
+				PRRet
+FIFO_X_3:		MOV		A, #3*2
+				PRRet
+FIFO_X_4:		MOV		A, #4*2
+				PRRet
+FIFO_X_5:		MOV		A, #5*2
+				PRRet
+FIFO_X_6:		MOV		A, #6*2
+				PRRet
+FIFO_X_7:		MOV		A, #7*2
+				PRRet
+IF MCUCFG_PENDSVFIFO_DEPTH > 8
+FIFO_X_8:		MOV		A, #8*2
+				PRRet
+FIFO_X_9:		MOV		A, #9*2
+				PRRet
+FIFO_X_10:		MOV		A, #10*2
+				PRRet
+FIFO_X_11:		MOV		A, #11*2
+				PRRet
+FIFO_X_12:		MOV		A, #12*2
+				PRRet
+FIFO_X_13:		MOV		A, #13*2
+				PRRet
+FIFO_X_14:		MOV		A, #14*2
+				PRRet
+FIFO_X_15:		MOV		A, #15*2
+				PRRet
+IF MCUCFG_PENDSVFIFO_DEPTH > 16
+FIFO_X_16:		MOV		A, #16*2
+				PRRet
+FIFO_X_17:		MOV		A, #17*2
+				PRRet
+FIFO_X_18:		MOV		A, #18*2
+				PRRet
+FIFO_X_19:		MOV		A, #19*2
+				PRRet
+FIFO_X_20:		MOV		A, #20*2
+				PRRet
+FIFO_X_21:		MOV		A, #21*2
+				PRRet
+FIFO_X_22:		MOV		A, #22*2
+				PRRet
+FIFO_X_23:		MOV		A, #23*2
+				PRRet
+IF MCUCFG_PENDSVFIFO_DEPTH > 24
+FIFO_X_24:		MOV		A, #24*2
+				PRRet
+FIFO_X_25:		MOV		A, #25*2
+				PRRet
+FIFO_X_26:		MOV		A, #26*2
+				PRRet
+FIFO_X_27:		MOV		A, #27*2
+				PRRet
+FIFO_X_28:		MOV		A, #28*2
+				PRRet
+FIFO_X_29:		MOV		A, #29*2
+				PRRet
+FIFO_X_30:		MOV		A, #30*2
+				PRRet
+FIFO_X_31:		MOV		A, #31*2
+				PRRet
+IF MCUCFG_PENDSVFIFO_DEPTH > 32
+FIFO_X_32:		MOV		A, #32*2
+				PRRet
+FIFO_X_33:		MOV		A, #33*2
+				PRRet
+FIFO_X_34:		MOV		A, #34*2
+				PRRet
+FIFO_X_35:		MOV		A, #35*2
+				PRRet
+FIFO_X_36:		MOV		A, #36*2
+				PRRet
+FIFO_X_37:		MOV		A, #37*2
+				PRRet
+FIFO_X_38:		MOV		A, #38*2
+				PRRet
+FIFO_X_39:		MOV		A, #39*2
+				PRRet
+ENDIF
+ENDIF
+ENDIF
+ENDIF
+
+FIFO_1:			JBC		m_sign_fifo_1_0,  FIFO_X_0
+				JBC		m_sign_fifo_1_1,  FIFO_X_1
+				JBC		m_sign_fifo_1_2,  FIFO_X_2
+				JBC		m_sign_fifo_1_3,  FIFO_X_3
+				JBC		m_sign_fifo_1_4,  FIFO_X_4
+				JBC		m_sign_fifo_1_5,  FIFO_X_5
+				JBC		m_sign_fifo_1_6,  FIFO_X_6
+				JBC		m_sign_fifo_1_7,  FIFO_X_7
+IF MCUCFG_PENDSVFIFO_DEPTH > 8
+				JBC		m_sign_fifo_1_8,  FIFO_X_8
+				JBC		m_sign_fifo_1_9,  FIFO_X_9
+				JBC		m_sign_fifo_1_10, FIFO_X_10
+				JBC		m_sign_fifo_1_11, FIFO_X_11
+				JBC		m_sign_fifo_1_12, FIFO_X_12
+				JBC		m_sign_fifo_1_13, FIFO_X_13
+				JBC		m_sign_fifo_1_14, FIFO_X_14
+				JBC		m_sign_fifo_1_15, FIFO_X_15
+IF MCUCFG_PENDSVFIFO_DEPTH > 16
+				JBC		m_sign_fifo_1_16, FIFO_X_16
+				JBC		m_sign_fifo_1_17, FIFO_X_17
+				JBC		m_sign_fifo_1_18, FIFO_X_18
+				JBC		m_sign_fifo_1_19, FIFO_X_19
+				JBC		m_sign_fifo_1_20, FIFO_X_20
+				JBC		m_sign_fifo_1_21, FIFO_X_21
+				JBC		m_sign_fifo_1_22, FIFO_X_22
+				JBC		m_sign_fifo_1_23, FIFO_X_23
+IF MCUCFG_PENDSVFIFO_DEPTH > 24
+				JBC		m_sign_fifo_1_24, FIFO_X_24
+				JBC		m_sign_fifo_1_25, FIFO_X_25
+				JBC		m_sign_fifo_1_26, FIFO_X_26
+				JBC		m_sign_fifo_1_27, FIFO_X_27
+				JBC		m_sign_fifo_1_28, FIFO_X_28
+				JBC		m_sign_fifo_1_29, FIFO_X_29
+				JBC		m_sign_fifo_1_30, FIFO_X_30
+				JBC		m_sign_fifo_1_31, FIFO_X_31
+IF MCUCFG_PENDSVFIFO_DEPTH > 32
+				JBC		m_sign_fifo_1_32, FIFO_X_32
+				JBC		m_sign_fifo_1_33, FIFO_X_33
+				JBC		m_sign_fifo_1_34, FIFO_X_34
+				JBC		m_sign_fifo_1_35, FIFO_X_35
+				JBC		m_sign_fifo_1_36, FIFO_X_36
+				JBC		m_sign_fifo_1_37, FIFO_X_37
+				JBC		m_sign_fifo_1_38, FIFO_X_38
+				JBC		m_sign_fifo_1_39, FIFO_X_39
+ENDIF
+ENDIF
+ENDIF
+ENDIF
+				INC		m_fifo_1_count
+				INC		R0
+				PRRet
+
+
+; 中断FIFO服务装载器
+
+?PR?mPendSV_FIFOLoader{Prefix}?PORT_80251S	SEGMENT	PRSeg
+				PUBLIC	mPendSV_FIFOLoader{Prefix}
+				RSEG	?PR?mPendSV_FIFOLoader{Prefix}?PORT_80251S
+mPendSV_FIFOLoader{Prefix}:
+
+				PRCall	mPendSV_FIFOPreempt{Prefix}
+IF MCUCFG_MEMORYMODEL <= 2
+				MOV		R3, A
+ELSE
+				MOV		DPL, A
+ENDIF
+				MOV		A, R0
+				JNZ		FAILED
+IF MCUCFG_MEMORYMODEL <= 2
+				MOV		@WR2, WR6
+ELSE
+				MOV		@DR56, WR6
+ENDIF
+FAILED:			PRRet
+
+ENDIF
+
+;///////////////////////////////////////////////////////////////////////////////
+
+ENDIF
+				END