1                                  ; ****************************************************************************
     2                                  ; pushtest.s (TRDOS 386, TRDOS v2.0 - sample binary file, 'pushtest.prg')
     3                                  ; ----------------------------------------------------------------------------
     4                                  ; PUSHTEST.PRG ! TEST program !
     5                                  ;
     6                                  ; 19/11/2017
     7                                  ;
     8                                  ; ****************************************************************************
     9                                  
    10                                  ; 01/03/2017
    11                                  ; 16/10/2016
    12                                  ; 29/04/2016
    13                                  ; TRDOS 386 system calls (temporary list!)
    14                                  _ver 	equ 0
    15                                  _exit 	equ 1
    16                                  _fork 	equ 2
    17                                  _read 	equ 3
    18                                  _write	equ 4
    19                                  _open	equ 5
    20                                  _close 	equ 6
    21                                  _wait 	equ 7
    22                                  _creat 	equ 8
    23                                  _link 	equ 9
    24                                  _unlink	equ 10
    25                                  _exec	equ 11
    26                                  _chdir	equ 12
    27                                  _time 	equ 13
    28                                  _mkdir 	equ 14
    29                                  _chmod	equ 15
    30                                  _chown	equ 16
    31                                  _break	equ 17
    32                                  _stat	equ 18
    33                                  _seek	equ 19
    34                                  _tell 	equ 20
    35                                  _mount	equ 21
    36                                  _umount	equ 22
    37                                  _setuid	equ 23
    38                                  _getuid	equ 24
    39                                  _stime	equ 25
    40                                  _quit	equ 26	
    41                                  _intr	equ 27
    42                                  _fstat	equ 28
    43                                  _emt 	equ 29
    44                                  _mdate 	equ 30
    45                                  _video 	equ 31
    46                                  _audio	equ 32
    47                                  _timer	equ 33
    48                                  _sleep	equ 34
    49                                  _msg    equ 35
    50                                  _geterr	equ 36
    51                                  _fpsave	equ 37
    52                                  _pri	equ 38
    53                                  _rele	equ 39
    54                                  _fff	equ 40
    55                                  _fnf	equ 41
    56                                  _alloc	equ 42
    57                                  _dalloc equ 43
    58                                  _calbac equ 44	
    59                                  
    60                                  %macro sys 1-4
    61                                      ; 29/04/2016 - TRDOS 386 (TRDOS v2.0)	
    62                                      ; 03/09/2015	
    63                                      ; 13/04/2015
    64                                      ; Retro UNIX 386 v1 system call.		
    65                                      %if %0 >= 2   
    66                                          mov ebx, %2
    67                                          %if %0 >= 3    
    68                                              mov ecx, %3
    69                                              %if %0 = 4
    70                                                 mov edx, %4   
    71                                              %endif
    72                                          %endif
    73                                      %endif
    74                                      mov eax, %1
    75                                      ;int 30h
    76                                      int 40h ; TRDOS 386 (TRDOS v2.0)		   
    77                                  %endmacro
    78                                  
    79                                  ; TRDOS 386 (and Retro UNIX 386 v1) system call format:
    80                                  ; sys systemcall (eax) <arg1 (ebx)>, <arg2 (ecx)>, <arg3 (edx)>
    81                                  
    82                                  [BITS 32] ; We need 32-bit intructions for protected mode
    83                                  
    84                                  [ORG 0] 
    85                                  
    86                                  START_CODE:
    87 00000000 89E5                    	mov	ebp, esp
    88 00000002 16                      	push	ss
    89 00000003 89E0                    	mov	eax, esp
    90 00000005 89EC                    	mov	esp, ebp  
    91 00000007 29C5                    	sub	ebp, eax	
    92 00000009 89E8                    	mov	eax, ebp		
    93 0000000B 0430                    	add	al, 30h
    94 0000000D A2[4F000000]            	mov	[psize], al
    95                                  	sys	_msg, msg_push_size, 255, 0Fh	
    95                              <1> 
    95                              <1> 
    95                              <1> 
    95                              <1> 
    95                              <1>  %if %0 >= 2
    95 00000012 BB[31000000]        <1>  mov ebx, %2
    95                              <1>  %if %0 >= 3
    95 00000017 B9FF000000          <1>  mov ecx, %3
    95                              <1>  %if %0 = 4
    95 0000001C BA0F000000          <1>  mov edx, %4
    95                              <1>  %endif
    95                              <1>  %endif
    95                              <1>  %endif
    95 00000021 B823000000          <1>  mov eax, %1
    95                              <1> 
    95 00000026 CD40                <1>  int 40h
    96                                  
    97                                  	sys 	_exit			   ; INT 40h
    97                              <1> 
    97                              <1> 
    97                              <1> 
    97                              <1> 
    97                              <1>  %if %0 >= 2
    97                              <1>  mov ebx, %2
    97                              <1>  %if %0 >= 3
    97                              <1>  mov ecx, %3
    97                              <1>  %if %0 = 4
    97                              <1>  mov edx, %4
    97                              <1>  %endif
    97                              <1>  %endif
    97                              <1>  %endif
    97 00000028 B801000000          <1>  mov eax, %1
    97                              <1> 
    97 0000002D CD40                <1>  int 40h
    98                                  here:
    99 0000002F EBFE                    	jmp	short here
   100                                  
   101                                  ;-----------------------------------------------------------------
   102                                  ;  DATA
   103                                  ;-----------------------------------------------------------------
   104                                  
   105                                  ;-----------------------------------------------------------------
   106                                  ;  messages
   107                                  ;-----------------------------------------------------------------
   108                                  
   109                                  msg_push_size:
   110 00000031 0D0A                    	db 0Dh, 0Ah
   111 00000033 5365676D656E742072-     	db "Segment register push size: "
   111 0000003C 656769737465722070-
   111 00000045 7573682073697A653A-
   111 0000004E 20                 
   112 0000004F 58206279746573          psize:	db "X bytes"
   113 00000056 0D0A00                  	db 0Dh, 0Ah, 0