| 1 | ;
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| 2 | ; OPRINT.ASM -- Text output via DOS
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| 3 | ;
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| 4 | ; Copyright (c) 1991-1995 by Eberhard Mattes
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| 5 | ;
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| 6 | ; This file is part of emx.
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| 7 | ;
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| 8 | ; emx is free software; you can redistribute it and/or modify it
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| 9 | ; under the terms of the GNU General Public License as published by
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| 10 | ; the Free Software Foundation; either version 2, or (at your option)
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| 11 | ; any later version.
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| 12 | ;
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| 13 | ; emx is distributed in the hope that it will be useful,
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| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | ; GNU General Public License for more details.
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| 17 | ;
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| 18 | ; You should have received a copy of the GNU General Public License
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| 19 | ; along with emx; see the file COPYING. If not, write to
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| 20 | ; the Free Software Foundation, 59 Temple Place - Suite 330,
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| 21 | ; Boston, MA 02111-1307, USA.
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| 22 | ;
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| 23 | ; See emx.asm for a special exception.
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| 24 | ;
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| 25 |
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| 26 | INCLUDE EMX.INC
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| 27 | INCLUDE SIGNAL.INC
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| 28 | INCLUDE PROCESS.INC
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| 29 |
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| 30 | PUBLIC ODWORD, OWORD, OBYTE, ONIBBLE
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| 31 | PUBLIC OCHAR, OTEXT, OCRLF
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| 32 |
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| 33 |
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| 34 | SV_DATA SEGMENT
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| 35 |
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| 36 | O_TMP_CHAR DB ?
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| 37 |
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| 38 | $CRLF DB CR, LF, 0
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| 39 |
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| 40 | SV_DATA ENDS
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| 41 |
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| 42 | SV_CODE SEGMENT
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| 43 |
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| 44 | ASSUME CS:SV_CODE, DS:NOTHING
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| 45 |
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| 46 | ;
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| 47 | ; Output using DOS
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| 48 | ;
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| 49 |
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| 50 | ASSUME DS:SV_DATA
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| 51 | ODWORD PROC NEAR
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| 52 | ROR EAX, 16
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| 53 | CALL OWORD
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| 54 | ROR EAX, 16
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| 55 | CALL OWORD
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| 56 | RET
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| 57 | ODWORD ENDP
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| 58 |
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| 59 | ASSUME DS:SV_DATA
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| 60 | OWORD PROC NEAR
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| 61 | XCHG AL, AH
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| 62 | CALL OBYTE
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| 63 | XCHG AL, AH
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| 64 | CALL OBYTE
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| 65 | RET
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| 66 | OWORD ENDP
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| 67 |
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| 68 | ASSUME DS:SV_DATA
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| 69 | OBYTE PROC NEAR
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| 70 | PUSH AX
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| 71 | SHR AL, 4
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| 72 | CALL ONIBBLE
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| 73 | POP AX
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| 74 | PUSH AX
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| 75 | CALL ONIBBLE
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| 76 | POP AX
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| 77 | RET
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| 78 | OBYTE ENDP
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| 79 |
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| 80 | ASSUME DS:SV_DATA
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| 81 | ONIBBLE PROC NEAR
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| 82 | AND AL, 0FH
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| 83 | ADD AL, 30H
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| 84 | CMP AL, 3AH
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| 85 | JB SHORT ONIB1
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| 86 | ADD AL, 7
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| 87 | ONIB1: CALL OCHAR
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| 88 | RET
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| 89 | ONIBBLE ENDP
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| 90 |
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| 91 |
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| 92 | ;
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| 93 | ; In: EDX Pointer to null-terminated string
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| 94 | ;
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| 95 | ASSUME DS:SV_DATA
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| 96 | OTEXT PROC NEAR
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| 97 | PUSH EAX
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| 98 | PUSH EBX
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| 99 | PUSH ECX
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| 100 | MOV ECX, EDX
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| 101 | XOR AL, AL
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| 102 | OTEXT1: CMP AL, DS:[EDX]
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| 103 | JE SHORT OTEXT2
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| 104 | INC EDX
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| 105 | JMP SHORT OTEXT1
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| 106 | OTEXT2: XCHG EDX, ECX
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| 107 | SUB ECX, EDX
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| 108 | MOV BX, PROC0.P_HANDLES[1*2]
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| 109 | MOV AH, 40H
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| 110 | PUSH PROCESS_PTR
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| 111 | MOV PROCESS_PTR, NO_PROCESS
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| 112 | INT 21H
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| 113 | POP PROCESS_PTR
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| 114 | POP ECX
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| 115 | POP EBX
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| 116 | POP EAX
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| 117 | RET
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| 118 | OTEXT ENDP
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| 119 |
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| 120 | ASSUME DS:SV_DATA
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| 121 | OCHAR PROC NEAR
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| 122 | PUSH EAX
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| 123 | PUSH EBX
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| 124 | PUSH ECX
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| 125 | PUSH EDX
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| 126 | MOV O_TMP_CHAR, AL
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| 127 | LEA EDX, O_TMP_CHAR
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| 128 | MOV ECX, 1
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| 129 | MOV BX, PROC0.P_HANDLES[1*2]
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| 130 | MOV AH, 40H
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| 131 | PUSH PROCESS_PTR
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| 132 | MOV PROCESS_PTR, NO_PROCESS
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| 133 | INT 21H
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| 134 | POP PROCESS_PTR
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| 135 | POP EDX
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| 136 | POP ECX
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| 137 | POP EBX
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| 138 | POP EAX
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| 139 | RET
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| 140 | OCHAR ENDP
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| 141 |
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| 142 |
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| 143 | ASSUME DS:SV_DATA
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| 144 | OCRLF PROC NEAR
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| 145 | PUSH EDX
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| 146 | LEA EDX, $CRLF
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| 147 | CALL OTEXT
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| 148 | POP EDX
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| 149 | RET
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| 150 | OCRLF ENDP
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| 151 |
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| 152 | SV_CODE ENDS
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| 153 |
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| 154 | END
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