1                                  ; ****************************************************************************
     2                                  ; fptest1.s (TRDOS 386, TRDOS v2.0 - sample binary file, 'fptest1.prg')
     3                                  ; ----------------------------------------------------------------------------
     4                                  ; FPTEST1.PRG ! TEST program !  TRDOS 386 Floating Point test !
     5                                  ;
     6                                  ; 07/09/2016
     7                                  ;
     8                                  ; [ Last Modification: 07/09/2016 ]
     9                                  ;
    10                                  ; ****************************************************************************
    11                                  
    12                                  ; 19/05/2016
    13                                  ; 29/04/2016
    14                                  ; TRDOS 386 system calls (temporary list!)
    15                                  _ver 	equ 0
    16                                  _exit 	equ 1
    17                                  _fork 	equ 2
    18                                  _read 	equ 3
    19                                  _write	equ 4
    20                                  _open	equ 5
    21                                  _close 	equ 6
    22                                  _wait 	equ 7
    23                                  _creat 	equ 8
    24                                  _link 	equ 9
    25                                  _unlink	equ 10
    26                                  _exec	equ 11
    27                                  _chdir	equ 12
    28                                  _time 	equ 13
    29                                  _mkdir 	equ 14
    30                                  _chmod	equ 15
    31                                  _chown	equ 16
    32                                  _break	equ 17
    33                                  _stat	equ 18
    34                                  _seek	equ 19
    35                                  _tell 	equ 20
    36                                  _mount	equ 21
    37                                  _umount	equ 22
    38                                  _setuid	equ 23
    39                                  _getuid	equ 24
    40                                  _stime	equ 25
    41                                  _quit	equ 26	
    42                                  _intr	equ 27
    43                                  _fstat	equ 28
    44                                  _emt 	equ 29
    45                                  _mdate 	equ 30
    46                                  _video	equ 31
    47                                  _audio	equ 32
    48                                  _timer	equ 33
    49                                  _sleep	equ 34
    50                                  _msg    equ 35
    51                                  _geterr equ 36
    52                                  _rsrvd1	equ 37
    53                                  _pri	equ 38
    54                                  _rele 	equ 39
    55                                  
    56                                  %macro sys 1-4
    57                                      ; 29/04/2016 - TRDOS 386 (TRDOS v2.0)	
    58                                      ; 03/09/2015	
    59                                      ; 13/04/2015
    60                                      ; Retro UNIX 386 v1 system call.	
    61                                      %if %0 >= 2   
    62                                          mov ebx, %2
    63                                          %if %0 >= 3    
    64                                              mov ecx, %3
    65                                              %if %0 = 4
    66                                                 mov edx, %4   
    67                                              %endif
    68                                          %endif
    69                                      %endif
    70                                      mov eax, %1
    71                                      ;int 30h
    72                                      int 40h ; TRDOS 386 (TRDOS v2.0)	   
    73                                  %endmacro
    74                                  
    75                                  ; TRDOS 386 (and Retro UNIX 386 v1) system call format:
    76                                  ; sys systemcall (eax) <arg1 (ebx)>, <arg2 (ecx)>, <arg3 (edx)>
    77                                  
    78                                  
    79                                  [BITS 32]	; 80386 Protected Mode (32 bit) intructions
    80                                  
    81                                  [ORG 0]		; (Start at Virtual Address 0)
    82                                  
    83                                  start:
    84 00000000 D905[50000000]              		fld	dword [f1]
    85 00000006 D905[54000000]              		fld	dword [f2]
    86 0000000C DFF1                        		fcomip
    87 0000000E DDD8                        		fstp   st0
    88 00000010 760A                        		jna    short terminate
    89                                      
    90 00000012 BE[34000000]            		mov     esi, msg
    91 00000017 E809000000                  		call	print_msg
    92                                  
    93                                  terminate:
    94                                  		sys 	_exit   ; INT 40h
    94                              <1> 
    94                              <1> 
    94                              <1> 
    94                              <1> 
    94                              <1>  %if %0 >= 2
    94                              <1>  mov ebx, %2
    94                              <1>  %if %0 >= 3
    94                              <1>  mov ecx, %3
    94                              <1>  %if %0 = 4
    94                              <1>  mov edx, %4
    94                              <1>  %endif
    94                              <1>  %endif
    94                              <1>  %endif
    94 0000001C B801000000          <1>  mov eax, %1
    94                              <1> 
    94 00000021 CD40                <1>  int 40h
    95                                  here:
    96 00000023 EBFE                    		jmp	short here
    97                                  
    98                                  print_msg:
    99 00000025 66BB0700                		mov	bx, 7
   100 00000029 B40E                            	mov     ah, 0Eh
   101                                  pmsg_loop:
   102 0000002B AC                      		lodsb
   103 0000002C 20C0                    		and	al, al
   104 0000002E 74EC                    		jz	short terminate
   105 00000030 CD31                    		int	31h	; TRDOS 386 video interrupt
   106 00000032 EBF7                    		jmp	short pmsg_loop	
   107                                  
   108                                  msg:
   109 00000034 0D0A07                  	db 0Dh, 0Ah, 07h	
   110 00000037 663220283D31302E30-     	db "f2 (=10.0) > f1 (=9.0)"
   110 00000040 29203E20663120283D-
   110 00000049 392E3029           
   111 0000004D 0D0A00                  	db 0Dh, 0Ah, 0
   112                                  f1:
   113 00000050 00001041                	dd	9.0
   114                                  f2:
   115 00000054 00002041                	dd	10.0		
   116                                  _end: