WebSep 20, 2024 · in al, 60h cmp al, 1 jne .kbloop1 BITS 16 mov ax,4C00h int 21h..... snip for brevity BITS 32 waitesc16: pushf push ax.1: in al, 60h cmp al, 1 jne .1.2: in al, 60h cmp al, 1 je .2 pop ax popf retn waitesc32: pushfd push eax.1: in al, 60h cmp al, 1 jne .1.2: in al, 60h cmp al, 1 je .2 pop eax popfd retn BITS 32 int_00: pushad push es mov ax,18h ... Web不是int al,60h,是in al,60h 即从端口60H读数据到AL寄存器。 相关内容请看书。 本回答由提问者推荐 2 评论 分享 举报 qq916633951 2012-11-23 · 超过24用户采纳过TA的回答 关注 cmp是比较指令,只是改变标志寄存器。 不是读数据 还有 int al,60h 没见过 抢首赞 评论 分享 举报 2011-12-27 汇编语言 int 60h 是什么意思? 2011-07-19 关于汇编 int 内中断 的问题 …
第6章 I-O接口和总线(I).pdf-原创力文档
Web微型计算机习题解答的内容摘要:第1章(略)第2章(略)第4章4.1.用下列芯片构成存储系统,各需要多少个ram芯片?需要多少位地址作为片外地址译码?设系统为20位地址线,采用全译码方式。(1)512×4位ram构成16kb的存储系统;(2)1024×1位ram构成128 WebIn AL, 60h Cmp AL, 83 Jne OldInterrupt9 ; ... Or AL, 80h Jmp $ + 2 Out 61h, AL Xchg AH, AL Jmp $ + 2 Out 61h, AL PopF Cli ... test al,al ; is al 0? jnz I2F2 ; wrong function, return unchanged mov al,MultiplexRt ; function 0 - return mux return code as ack ... cshtml hot reload not working
微机原理及应用复习题. - 百度文库
WebGammel Sellingvej 1 8370 Hadsten Denemarken. BTW-identificatienummer: DK32277594. Bank: Nykredit Bank IBAN: DK5654710009501950 SWIFT/BIC: NYKBDKKK Web20.5. The Keyboard Interrupt Service Routine. The int 16h ISR is the interface between application programs and the keyboard. In a similar vein, the int 9 ISR is the interface between the keyboard hardware and the int 16h ISR. It is the job of the int 9 ISR to process keyboard hardware interrupts, convert incoming scan codes to scan/ASCII code ... WebApr 25, 2002 · The 8042 controls both the keyboard and an auxiliary device, such as a mouse. It receives serial data, check parity, translates keyboard scan codes, and presents data at the data port 60H. The interface can interrupt the system (IRQ1) or can wait for polling. The I/O port 64H is the command/status port. A read gives status, a write is … eagle brook patio furniture