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ASCIIMP2.LBR
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ASCIIMP1.ZZ0
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ASCIIMP1.Z80
Wrap
Text File
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2000-06-30
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3KB
|
80 lines
; PROGRAM: ASCIIMP1.Z80
; AUTHOR: Fred Haines
; DATE: March 12, 1988
; PURPOSE: Prints ASCII chart to console screen.
;
; equates
CR EQU 0DH
LF EQU 0AH
ESC EQU 1BH
BDOS EQU 05H
; external routines
EXT PRINT
;
; start
LD C,09H ; DOS print string function
LD DE,CLS ; load clear screen string address
CALL BDOS
;
; print screen
CALL PRINT
DB '+------------+---------------------------------------------------------------+',CR,LF
DB '| binary | 0 1 2 3 '
DB ' 4 5 6 7 |',CR,LF
DB '+------+-----+---------------------------------------------------------------+',CR,LF
DB '| 0000 | 0 | NUL DLE SP 0 '
DB ' @ P ` p |',CR,LF
DB '| 0001 | 1 | SOH DC1 ! 1 '
DB ' A Q a q |',CR,LF
DB '| 0010 | 2 | STX DC2 " 2 '
DB ' B R b r |',CR,LF
DB '| 0011 | 3 | ETX DC3 # 3 '
DB ' C S c s |',CR,LF
DB '| 0100 | 4 | EOT DC4 $ 4 '
DB ' D T d t |',CR,LF
DB '| 0101 | 5 | ENQ NAK % 5 '
DB ' E U e u |',CR,LF
DB '| 0110 | 6 | ACK SYN & 6 '
DB ' F V f v |',CR,LF
DB '| 0111 | 7 | BEL ETB '' 7 '
DB ' G W g w |',CR,LF
DB '| 1000 | 8 | BS CAN ( 8 '
DB ' H X h x |',CR,LF
DB '| 1001 | 9 | HT EM ) 9 '
DB ' I Y i y |',CR,LF
DB '| 1010 | A | LF SUB * : '
DB ' J Z j z |',CR,LF
DB '| 1011 | B | VT ESC + ; '
DB ' K [ k { |',CR,LF
DB '| 1100 | C | FF FS , < '
DB ' L \ l | |',CR,LF
DB '| 1101 | D | CR GS - = '
DB ' M ] m } |',CR,LF
DB '| 1110 | E | SO RS . > '
DB ' N ^ n ~ |',CR,LF
DB '| 1111 | F | SI US / ? '
DB ' O - o DEL |',CR,LF
DB '+------+-----+---------------------------------------------------------------+',CR,LF
DB ' Hex code equals column/row position. Control'
DB ' characters - change column 4',CR,LF
DB ' codes to 0, column 5 codes to 1. Combine 2'
DB ' binary nybbles to make a byte.',CR,LF
DB 0
;
; clear screen string
CLS:
DB ESC,'+$' ; two bytes, terminated with $
RET
END