In al 61h
Webin al,61h ; switch speaker on or al,03h out 61h,al mov ax,0f000h ; delay a while soundstart: cmp ax,0 je soundstop dec ax jmp soundstart soundstop: in al,61h ; switch speaker off and al,0fch out 61h,al mov sp,bp ; restore stack pop bp ret 2 ; … Web(a) MOV AX,61H (b) MOV [AX],61 H (c) IN AL,61H (d) IN AX,61H (5). Suppose M/TO=0,D/C-1,W/R=0 in a bus cycle, the operation in this bus cycle is (a) I/O Read (b) I/O Write (c) Memory Read (d) Memory Write (6). If CPU want to input a data from port 62H, the correct statement is (a) OUT 62H, AL (b) MOV AL,62H (c) IN This problem has been solved!
In al 61h
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WebApr 9, 2024 · 十六进制转十进制和BCD算法(汇编)是应wahllfok的要求上传的,wahllfok原本需要BCD转十六进制的算法,我最近有点忙只有这个逆算法(几年前写的),希望能给你借鉴。有时间我再写一个。 这个算法分两个子程序,一个是将十六进制转十进制(压缩BCD),一个是BCD解压缩算法。 WebApr 25, 2002 · Port 61H serves as a system control port for compatibility with the PC. The 8042 controls both the keyboard and an auxiliary device, such as a mouse. It receives …
http://www.husseinsspace.com/teaching/udw/1996/asmnotes/chapsev.htm Webor al,61h ; c. mov al,94h xor al,37h ; d. (a) 00101101 (b) 01001000 (c) 01101111 (d) 10100011 In the following instruction sequence, show the resulting value of AL where …
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WebApr 8, 1994 · IN AL,61h MOV AH,AL OR AL,80h OUT 61h,AL MOV AL,AH OUT 61h,AL MOV AL,20h ; i tried it both with an without these next two lines OUT 20h,AL ; they just send the general EOI. but when i do another IN AL,60h i still get an 0xE0!! any help appreciated. :) Oh, and don't tell me to use INT 16h or 21h. I need to know!!!
WebDanfoss XB 61H-1SB 004B3453 Danfoss 2024 02 19AQ13708645598701 000503 Brazed Plate Heat Exchanger EESTI EESSÕNA Joodetud plaatsoojusvaheti See juhend kehtib kõigi Danf... MansIo Mans.Io Contacts list of chicago zip codesWebJan 16, 2024 · IN AL, 61h ; 3) Read the current keyboard controller status. OR AL, 03h ; 3) Turn on 0 and 1 bit, enabling the PC speaker gate and the data transfer. OUT 61h, AL ; 3) … list of chicken hatcheriesWeb7. In the following instruction sequence, show the resulting value of AL where indicated, in binary: mov al,01101111b and al,00101101b ; a. 00101101 mov al,6Dh and al,4Ah ; b. … images of trichomesWeb in al,61h or al,80h out 61h,al and al,7fh out 61h,al . That's for 8086 CPUs. AT+ doesn't use bit 7 in the same way as IBM used in their 8086 CPUs. And to answer the original question: IRQ1 is generated each time you press/release a key. The IRQ1 handler reads the key, saves it in the BIOS data area. If the keyboard buffer (in the BDA) is full, list of chicago white sox playersWebPort 61h is known as "Port B". Reading this port has no unusual. effects (such as clearing interrupts, etc) so it is a safe port. for software to read at any time, and is always … images of tribeca nyWebThe LCN 1260 Series is a light to medium duty Grade 1 cast iron closer designed to fit into the most common commercial footprint. The 1260 is adjustable from spring sizes 1 to 5 … list of chicken foodsWebMar 4, 2012 · ; AX-Note frequency speaker_tone: pusha mov cx, ax ; Store note value for now mov al, 182 out 43h, al mov ax, cx ; Set up frequency out 42h, al mov al, ah out 42h, al in al, 61h; Switch PC speaker on or al, 03h out 61h, al popa ret speaker_off: pusha in al, 61h and al, 0FCh out 61h, al popa ret images of trichomonas vaginalis