WebJul 6, 2024 · acc中的值本来就是100，b中的值本来就是20，是的，在本例中，的确没有意义，但在实际工作中，则在push b后一般要执行其他指令，而且这些指令会把a中的值，b中的值改掉，所以在程序的结束，如果我们要把a和b中的值恢复原值，那么这些指令就有意义 … Web难道你一点儿不懂汇编？. PUSH DPH 是将原DPH中的数据压进堆栈缓存。. PUSH ACC 是将堆栈中的数据送回到ACC寄存器。. 在程序嵌套调用过程或者中断处理过程中，进行的变量缓存、备份操作。. 随便找一本教材看看堆栈那一章！. 26. 评论 (7) 分享. 举报.
PUSH进栈指令和POP出栈指令_ʚVVcatɞ的博客-CSDN博客
WebNov 17, 2024 · 执行下列指令： pop dph ， pop dpl 后， dptr 的内容为（ 6030h ）， sp 的内容是（ 38h ）。 4、在调用子程序时，为保证程序调用和返回不致混乱，常采用保护现场的措施。通常在进 入子程序后要用（ push ）指令保护现场 dph 、dpl 、acc 等。 WebIn 8051 assembly language, the difference between A and ACC is that A is the implied address of the accumulator whereas ACC is the direct address of the accumulator. The potential for confusion arises because the design of the 8051 gives many registers a direct address. Where an address is implied, it is embedded in the opcode of an instruction. oukaimeden morocco
stack trace in Assembly 8051 with push and pop instructions
Web您的IP是： 157.55.39.67 您使用的浏览器是： Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; bingbot/2.0; +http://www.bing.com/bingbot.htm ... WebMar 27, 2024 · You need to follow ALL the subsequent instructions in your program that uses stack (and in the order those instructions are executed). The stack using instructions in your program are: 1. push acc --- puts 10H onto the stack (at location 40h) 2. call --- puts the return address onto the stack (i.e. address 0x100D onto the stack in little endian ... WebJul 1, 2024 · Explanation of the code. The code builds a new array. It starts with [], which is given as the last argument to reduce.. Then the reduce callback is called for each value in the input array:. That callback will be called with several arguments. The first two are named acc and curr here.acc is the array that is being populated, so it is [] in the first call of the … イソップ ハンドソープ 壁掛け