'===========================================================================
' Subject: BSAVE SCREEN CAPTURE TSR          Date: Year of 1993           
' Author:  Walt Mayo                         Code: PB                     
' Origin:  FidoNet QUIK_BAS Echo           Packet: PB.ABC
'===========================================================================
'***********************************************************************
'* PopUp .BSV Screen Capture Routine
'* Walt Mayo 1993, 1:3627/101    DATA:803-650-8315    VOICE:803-650-0140
'* PowerBasic 3.0
'* This file seems to work great in most situations.
'* It does need some error-trapping added for existing files, so beware.
'* *********************************************************************
 
$COMPILE EXE                  ' this tells PB to make a standalone EXE
$LIB IPRINT OFF               ' allow graphic characters to print
$OPTION CNTLBREAK OFF         ' not wise in a tsr
 
x& = SETMEM(-700000)          ' release unused memory
 
POPUP KEY CHR$(8,30,247)      ' ALT A is the hot key
 
POPUP MULTIPLEX &HC000, 254   ' reg AX and DX get this pattern as an ID
REG 1, &HC000 : REG 4, 254    ' set pattern to check for already installed
CALL INTERRUPT &H2F           ' do the multiplex interrrupt
IF REG(1)<>&HC000 AND REG(4)<>254 THEN END 'we were already installed
 
SwapFile$ = LEFT$(CURDIR$,2)+"\ASCTSR.SWP"
 
PRINT "PopUp .BSV grabber available as ALT-A"
REG 1, &HC001 : REG 4, 252  ' Alter AX,DX to show we were here
POPUP SLEEP USING EMS, SwapFile$       ' before going to sleep
 
WHILE 1=1
  x% = POS : y% = CSRLIN
  DEF SEG = &hB800
  SaveScreen$ = PEEK$(0,4000) ' save the entire screen
  IF REG(1)=&HC000 AND REG(4)=254 THEN
    LOCATE 12,20
    PRINT "ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿";
    LOCATE 13,20
    PRINT "³    BSVGRAB is already installed     ³";
    LOCATE 14,20
    PRINT "ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ";
  ELSE
    GOSUB GrabBSV
  END IF
  a$ = INPUT$(1)                               'wait for key to cancel
  POKE$ 0, SaveScreen$ :  LOCATE y%, x%        'restore screen
  IF UCASE$(A$)="Q" THEN IF POPUP(1) THEN END  'this uninstalls us
  REG 1, &HC001 : REG 4, 252  ' Alter AX,DX to show we were here
  POPUP SLEEP                 ' before going to sleep
WEND
 
GrabBSV:
 
DEF SEG = &HB800
BSAVE "c:\zdir\axax.bsv", 0, 4000
LOCATE 1, 1
COLOR 14, 2
PRINT "                                              ";
LOCATE 1, 1
INPUT " Enter desired name for file: ", NewName$
NAME "c:\zdir\axax.bsv" as "c:\zdir\" + NewName$
LOCATE 1, 1
COLOR 15, 3
PRINT " Press Q to remove BSVGRAB, any other key to continue "
'DEF SEG
RETURN