rtosasm.asm

一个完整的rtos源代码.运行在嵌入80186 cpu上.提供4个任务,信号灯,定时器,schedule等.

.MODEL large
.CODE

PUBLIC _change_stack
_change_stack PROC
ARG next:DATAPTR,last:DATAPTR
	push bp
	mov bp,sp
	push si
	push di

	les di,last
	mov es:[di],sp
	mov es:[di+2],ss
	les di,next
	mov sp,es:[di]
	mov ss,es:[di+2]
	xor ax,ax

	pop di
	pop si
	pop bp
	ret
_change_stack ENDP
END