     1                                  ; ****************************************************************************
     2                                  ; prntest.s (/dev/lpr printer test) - by Erdogan Tan - 13/06/2022
     3                                  ; ----------------------------------------------------------------------------
     4                                  ; Retro UNIX 386 v1.2 - /dev/lpt -- printer test (LPT1) 
     5                                  ;
     6                                  ; [ Last Modification: 13/06/2022 ]
     7                                  ;
     8                                  ; ****************************************************************************
     9                                  
    10                                  ; UNIX v1 system calls
    11                                  _rele 	equ 0
    12                                  _exit 	equ 1
    13                                  _fork 	equ 2
    14                                  _read 	equ 3
    15                                  _write	equ 4
    16                                  _open	equ 5
    17                                  _close 	equ 6
    18                                  _wait 	equ 7
    19                                  _creat 	equ 8
    20                                  _link 	equ 9
    21                                  _unlink	equ 10
    22                                  _exec	equ 11
    23                                  _chdir	equ 12
    24                                  _time 	equ 13
    25                                  _mkdir 	equ 14
    26                                  _chmod	equ 15
    27                                  _chown	equ 16
    28                                  _break	equ 17
    29                                  _stat	equ 18
    30                                  _seek	equ 19
    31                                  _tell 	equ 20
    32                                  _mount	equ 21
    33                                  _umount	equ 22
    34                                  _setuid	equ 23
    35                                  _getuid	equ 24
    36                                  _stime	equ 25
    37                                  _quit	equ 26	
    38                                  _intr	equ 27
    39                                  _fstat	equ 28
    40                                  _emt 	equ 29
    41                                  _mdate 	equ 30
    42                                  _stty 	equ 31
    43                                  _gtty	equ 32
    44                                  _ilgins	equ 33
    45                                  _sleep	equ 34 ; Retro UNIX 8086 v1 feature only !
    46                                  _msg    equ 35 ; Retro UNIX 386 v1 feature only !
    47                                  _geterr	equ 36 ; Retro UNIX 386 v1 feature only !
    48                                  ; 12/01/2022 - Retro UNIX 386 v1.2
    49                                  ; Retro UNIX 386 v2 system calls
    50                                  _setgid	equ 37
    51                                  _getgid	equ 38
    52                                  _sysver	equ 39 ; (get) Retro Unix 386 version
    53                                  
    54                                  ;;;
    55                                  ESCKey equ 1Bh
    56                                  EnterKey equ 0Dh
    57                                  
    58                                  %macro sys 1-4
    59                                      ; 03/09/2015	
    60                                      ; 13/04/2015
    61                                      ; Retro UNIX 386 v1 system call.		
    62                                      %if %0 >= 2   
    63                                  	mov ebx, %2
    64                                  	%if %0 >= 3    
    65                                  	    mov ecx, %3
    66                                  	    %if %0 = 4
    67                                  	       mov edx, %4   
    68                                  	    %endif
    69                                  	%endif
    70                                      %endif
    71                                      mov eax, %1
    72                                      int 30h	   
    73                                  %endmacro
    74                                  
    75                                  ; Retro UNIX 386 v1 system call format:
    76                                  ; sys systemcall (eax) <arg1 (ebx)>, <arg2 (ecx)>, <arg3 (edx)>
    77                                  
    78                                  [BITS 32] ; 32-bit intructions (for 80386 protected mode)
    79                                  
    80                                  [ORG 0] 
    81                                  
    82                                  START_CODE:
    83                                  	; 13/06/2022
    84 00000000 59                      	pop	ecx ; ecx = number of arguments
    85                                  	;
    86 00000001 58                      	pop	eax ; eax = argument 0 = executable file name
    87                                  	;
    88 00000002 BD[1B010000]            	mov	ebp, program_msg
    89                                  	;
    90                                  	;cmp	ecx, 3
    91 00000007 80F902                  	cmp	cl, 2
    92 0000000A 7251                    	jb	short prntst1
    93                                  
    94 0000000C 5F                      	pop	edi ; argument 1 = txt file name
    95                                  
    96                                  	sys	_stat, edi, stbuf
    59                              <1> 
    60                              <1> 
    61                              <1> 
    62                              <1>  %if %0 >= 2
    63 0000000D 89FB                <1>  mov ebx, %2
    64                              <1>  %if %0 >= 3
    65 0000000F B9[E4010000]        <1>  mov ecx, %3
    66                              <1>  %if %0 = 4
    67                              <1>  mov edx, %4
    68                              <1>  %endif
    69                              <1>  %endif
    70                              <1>  %endif
    71 00000014 B812000000          <1>  mov eax, %1
    72 00000019 CD30                <1>  int 30h
    97 0000001B 7236                    	jc	short prntst0
    98                                  	
    99 0000001D 8B35[EE010000]          	mov	esi, [stbuf+10] ; file size
   100                                  	
   101                                  	sys	_open, edi, 0 ; open for read
    59                              <1> 
    60                              <1> 
    61                              <1> 
    62                              <1>  %if %0 >= 2
    63 00000023 89FB                <1>  mov ebx, %2
    64                              <1>  %if %0 >= 3
    65 00000025 B900000000          <1>  mov ecx, %3
    66                              <1>  %if %0 = 4
    67                              <1>  mov edx, %4
    68                              <1>  %endif
    69                              <1>  %endif
    70                              <1>  %endif
    71 0000002A B805000000          <1>  mov eax, %1
    72 0000002F CD30                <1>  int 30h
   102 00000031 7220                    	jc	short prntst0
   103                                  
   104                                  	;sys	_read, eax, fbuf, 1024
   105                                  
   106                                  	sys	_read, eax, fbuf, esi
    59                              <1> 
    60                              <1> 
    61                              <1> 
    62                              <1>  %if %0 >= 2
    63 00000033 89C3                <1>  mov ebx, %2
    64                              <1>  %if %0 >= 3
    65 00000035 B9[2C020000]        <1>  mov ecx, %3
    66                              <1>  %if %0 = 4
    67 0000003A 89F2                <1>  mov edx, %4
    68                              <1>  %endif
    69                              <1>  %endif
    70                              <1>  %endif
    71 0000003C B803000000          <1>  mov eax, %1
    72 00000041 CD30                <1>  int 30h
   107                                  	
   108 00000043 833D[2C020000]00        	cmp	dword [fbuf], 0
   109 0000004A 7611                    	jna	short prntst1
   110                                  
   111 0000004C BD[2C020000]            	mov	ebp, fbuf
   112 00000051 EB0A                    	jmp	short prntst1
   113                                  prntst0:
   114 00000053 B8[A6010000]            	mov	eax, f_not_found
   115 00000058 E89B000000              	call	print_msg
   116                                  prntst1:
   117 0000005D 31FF                    	xor	edi, edi
   118                                  	sys	_open, lpt1, 1  ; open /dev/lpr for write
    59                              <1> 
    60                              <1> 
    61                              <1> 
    62                              <1>  %if %0 >= 2
    63 0000005F BB[12010000]        <1>  mov ebx, %2
    64                              <1>  %if %0 >= 3
    65 00000064 B901000000          <1>  mov ecx, %3
    66                              <1>  %if %0 = 4
    67                              <1>  mov edx, %4
    68                              <1>  %endif
    69                              <1>  %endif
    70                              <1>  %endif
    71 00000069 B805000000          <1>  mov eax, %1
    72 0000006E CD30                <1>  int 30h
   119 00000070 7320                    	jnc	short prntst2
   120                                  
   121                                  prntst_err:
   122 00000072 B8[7C010000]            	mov	eax, err_msg
   123                                  pr_ok_exit:
   124 00000077 E87C000000              	call	print_msg
   125 0000007C 21FF                    	and	edi, edi ; file descriptor
   126 0000007E 7409                    	jz	short hang
   127                                  	sys	_close, edi
    59                              <1> 
    60                              <1> 
    61                              <1> 
    62                              <1>  %if %0 >= 2
    63 00000080 89FB                <1>  mov ebx, %2
    64                              <1>  %if %0 >= 3
    65                              <1>  mov ecx, %3
    66                              <1>  %if %0 = 4
    67                              <1>  mov edx, %4
    68                              <1>  %endif
    69                              <1>  %endif
    70                              <1>  %endif
    71 00000082 B806000000          <1>  mov eax, %1
    72 00000087 CD30                <1>  int 30h
   128                                  hang:
   129                                  	sys	_exit
    59                              <1> 
    60                              <1> 
    61                              <1> 
    62                              <1>  %if %0 >= 2
    63                              <1>  mov ebx, %2
    64                              <1>  %if %0 >= 3
    65                              <1>  mov ecx, %3
    66                              <1>  %if %0 = 4
    67                              <1>  mov edx, %4
    68                              <1>  %endif
    69                              <1>  %endif
    70                              <1>  %endif
    71 00000089 B801000000          <1>  mov eax, %1
    72 0000008E CD30                <1>  int 30h
   130 00000090 EBF7                    	jmp	short hang
   131                                  prntst2:
   132 00000092 89C7                    	mov	edi, eax ; /dev/lpr file descriptor
   133                                  
   134 00000094 81FD[1B010000]          	cmp	ebp, program_msg
   135 0000009A 753B                    	jne	short prntst4
   136                                  
   137 0000009C B8[BB010000]            	mov	eax, p_p_msg
   138 000000A1 E852000000              	call	print_msg
   139                                  
   140                                  	; print program message on paper (on LPT1)
   141                                  	sys	_write, edi, program_msg, size_pmsg
    59                              <1> 
    60                              <1> 
    61                              <1> 
    62                              <1>  %if %0 >= 2
    63 000000A6 89FB                <1>  mov ebx, %2
    64                              <1>  %if %0 >= 3
    65 000000A8 B9[1B010000]        <1>  mov ecx, %3
    66                              <1>  %if %0 = 4
    67 000000AD BA40000000          <1>  mov edx, %4
    68                              <1>  %endif
    69                              <1>  %endif
    70                              <1>  %endif
    71 000000B2 B804000000          <1>  mov eax, %1
    72 000000B7 CD30                <1>  int 30h
   142 000000B9 72B7                    	jc	short prntst_err
   143                                  
   144                                  	sys	_write, edi, usage_msg, size_umsg
    59                              <1> 
    60                              <1> 
    61                              <1> 
    62                              <1>  %if %0 >= 2
    63 000000BB 89FB                <1>  mov ebx, %2
    64                              <1>  %if %0 >= 3
    65 000000BD B9[5C010000]        <1>  mov ecx, %3
    66                              <1>  %if %0 = 4
    67 000000C2 BA1F000000          <1>  mov edx, %4
    68                              <1>  %endif
    69                              <1>  %endif
    70                              <1>  %endif
    71 000000C7 B804000000          <1>  mov eax, %1
    72 000000CC CD30                <1>  int 30h
   145 000000CE 72A2                    	jc	short prntst_err
   146                                  prntst3:
   147 000000D0 B8[9F010000]            	mov	eax, ok_msg
   148 000000D5 EBA0                    	jmp	short pr_ok_exit
   149                                  
   150                                  prntst4:
   151 000000D7 B8[90010000]            	mov	eax, p_f_msg
   152 000000DC E817000000              	call	print_msg
   153                                  
   154                                  ;	mov	ecx, bss_end-fbuf ; 1024
   155                                  ;	mov	esi, fbuf
   156                                  ;	sub	edx, edx
   157                                  ;prntst5:
   158                                  ;	lodsb
   159                                  ;	or	al, al
   160                                  ;	jz	short prntst6
   161                                  ;	inc	edx
   162                                  ;	loop	prntst5
   163                                  ;prntst6:
   164                                  	;;edx  = character count to be printed
   165                                  	;sys	_write, edi, fbuf
   166                                  	sys	_write, edi, fbuf, esi ; esi = file size
    59                              <1> 
    60                              <1> 
    61                              <1> 
    62                              <1>  %if %0 >= 2
    63 000000E1 89FB                <1>  mov ebx, %2
    64                              <1>  %if %0 >= 3
    65 000000E3 B9[2C020000]        <1>  mov ecx, %3
    66                              <1>  %if %0 = 4
    67 000000E8 89F2                <1>  mov edx, %4
    68                              <1>  %endif
    69                              <1>  %endif
    70                              <1>  %endif
    71 000000EA B804000000          <1>  mov eax, %1
    72 000000EF CD30                <1>  int 30h
   167 000000F1 73DD                    	jnc	short prntst3
   168 000000F3 E97AFFFFFF              	jmp	prntst_err
   169                                  
   170                                  ;-----------------------------------------------------------------
   171                                  
   172                                  print_msg:
   173                                  	; 08/05/2022
   174                                  	; eax = asciiz string address
   175 000000F8 89C2                    	mov	edx, eax
   176 000000FA 4A                      	dec	edx
   177                                  nextchr:
   178 000000FB 42                      	inc	edx
   179 000000FC 803A00                  	cmp	byte [edx], 0
   180 000000FF 77FA                    	ja	short nextchr
   181                                  	;cmp	[edx], 0Dh
   182                                  	;ja	short nextchr
   183 00000101 29C2                    	sub	edx, eax
   184                                  	; edx = asciiz string length
   185                                  	;
   186                                  	sys	_write, 1, eax
    59                              <1> 
    60                              <1> 
    61                              <1> 
    62                              <1>  %if %0 >= 2
    63 00000103 BB01000000          <1>  mov ebx, %2
    64                              <1>  %if %0 >= 3
    65 00000108 89C1                <1>  mov ecx, %3
    66                              <1>  %if %0 = 4
    67                              <1>  mov edx, %4
    68                              <1>  %endif
    69                              <1>  %endif
    70                              <1>  %endif
    71 0000010A B804000000          <1>  mov eax, %1
    72 0000010F CD30                <1>  int 30h
   187                                  	;
   188 00000111 C3                      	retn
   189                                  
   190                                  ;-----------------------------------------------------------------
   191                                  ;  data - initialized data
   192                                  ;-----------------------------------------------------------------
   193                                  
   194                                  lpt1:
   195 00000112 2F6465762F6C707200      	db	'/dev/lpr', 0
   196                                  
   197                                  program_msg:
   198 0000011B 0D0A                    	db  0Dh, 0Ah
   199 0000011D 526574726F20554E49-     	db  'Retro UNIX 386 v1.2 PRINTER Test by Erdogan TAN - 13/06/2022'
   199 00000126 58203338362076312E-
   199 0000012F 32205052494E544552-
   199 00000138 205465737420627920-
   199 00000141 4572646F67616E2054-
   199 0000014A 414E202D2031332F30-
   199 00000153 362F32303232       
   200 00000159 0D0A00                  	db  0Dh, 0Ah, 0
   201                                  usage_msg:
   202 0000015C 0D0A                    	db  0Dh, 0Ah
   203 0000015E 55736167653A207072-     	db  'Usage: prntest textfilename'
   203 00000167 6E7465737420746578-
   203 00000170 7466696C656E616D65 
   204                                  nextline:
   205 00000179 0D0A00                  	db  0Dh, 0Ah, 0
   206                                  
   207                                  size_pmsg equ usage_msg-(program_msg+1)
   208                                  	
   209                                  err_msg:
   210 0000017C 0D0A                    	db 0Dh, 0Ah	
   211 0000017E 5072696E7465722045-     	db "Printer Error !"	
   211 00000187 72726F722021       
   212 0000018D 0D0A00                   	db 0Dh, 0Ah, 0  		
   213                                  
   214                                  size_umsg equ err_msg-(usage_msg+1)
   215                                  
   216                                  p_f_msg:
   217 00000190 0D0A                    	db 0Dh, 0Ah	
   218 00000192 5072696E74696E6720-     	db "Printing .. "
   218 0000019B 2E2E20             
   219 0000019E 00                      	db 0
   220                                  ok_msg:
   221                                  	;db 0Dh, 0Ah
   222 0000019F 4F4B2E20                	db 'OK. '
   223 000001A3 0D0A00                  	db 0Dh, 0Ah, 0
   224                                  f_not_found:
   225 000001A6 0D0A                    	db 0Dh, 0Ah	
   226 000001A8 46696C65206E6F7420-     	db "File not found !"
   226 000001B1 666F756E642021     
   227 000001B8 0D0A00                  	db 0Dh, 0Ah, 0
   228                                  p_p_msg:
   229 000001BB 0D0A                    	db 0Dh, 0Ah	
   230 000001BD 5072696E74696E6720-     	db "Printing program message on LPT1 .. "
   230 000001C6 70726F6772616D206D-
   230 000001CF 657373616765206F6E-
   230 000001D8 204C505431202E2E20 
   231 000001E1 00                      	db 0
   232                                  
   233                                  ;-----------------------------------------------------------------
   234                                  ;  bss - uninitialized data
   235                                  ;-----------------------------------------------------------------	
   236                                  
   237 000001E2 90<rep 2h>              align 4
   238                                  
   239                                  bss_start:
   240                                  
   241                                  ABSOLUTE bss_start
   242                                  
   243 000001E4 <res 42h>               stbuf:	resb 66	 ; stat buffer
   244 00000226 ????????????            	resb 6	
   245                                  
   246 0000022C <res 400h>              fbuf:	resb 1024 ; file buffer
   247                                  
   248                                  bss_end:
   249                                  
   250                                  ;-----------------------------------------------------------------
