Assembly Language Primer for the IBM PC & XTAssembly language and debug; Instant program; What is assembly language? Inside DOS - the disk operating system; Introduction to the IBM MACRO assembler; Using the IBM MACRO assembler; Memory segmentation and EXE files; Inside the ROM; Monochrome and color graphics; Reading and writing disk files. |
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Page 106
... linefeed . ( The ASCII code for a linefeed is 0Ah , which we type in as " a " . This is necessary because Buffered Keyboard Input prints a carriage return at the end of the string , but not a linefeed ; so that the cursor simply goes ...
... linefeed . ( The ASCII code for a linefeed is 0Ah , which we type in as " a " . This is necessary because Buffered Keyboard Input prints a carriage return at the end of the string , but not a linefeed ; so that the cursor simply goes ...
Page 109
... linefeed as well . These four characters “ h ” , “ i ” , ODh ( the ASCII code for a carriage return ) , and 0Ah ( the ASCII code for a linefeed ) — will all be assembled by DEBUG into a buffer in memory . - Type in the program shown ...
... linefeed as well . These four characters “ h ” , “ i ” , ODh ( the ASCII code for a carriage return ) , and 0Ah ( the ASCII code for a linefeed ) — will all be assembled by DEBUG into a buffer in memory . - Type in the program shown ...
Page 486
... linefeed mov dl . Øah ; linefeed mov ah , display ; display function int mov doscall ; call DOS dl , Ødh ; carriage return mov ah , display ; display function doscall ; call DOS int ret crlf endp pro_nam ends ; end of code segment end ...
... linefeed mov dl . Øah ; linefeed mov ah , display ; display function int mov doscall ; call DOS dl , Ødh ; carriage return mov ah , display ; display function doscall ; call DOS int ret crlf endp pro_nam ends ; end of code segment end ...
Contents
Using the IBM MACRO Assembler | 6 |
Instant Program | 29 |
What Is Assembly Language? | 51 |
Copyright | |
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1/pitch addr ASCII assembly language assembly routine assembly-language programs BASIC program binary number BINIHEX bits buffer bytes CD21 INT chapter color command CX register data segment datarea DEBUG DECIBIN decimal number digit disk DL register end-of-file Enter error EXE file executed exit FF FF FF Figure File Control Block file handle going Here's hex number hexadecimal higher-level languages IBM PC IBM Personal Computer int doscall jump keyboard Keyboard Input linefeed loaded look LOOP memory location memory segmentation microprocessor mov ah mov dl offset address ØØ ØØ ØØ ØØ-ØØ ØØ ØØ ØØØØ operating system Pascal pathname PC-DOS PL NZ printer printit Program Segment Prefix pseudo-op random record number ROM BIOS ROM routines screen segment address stack segment write zero