TFM's QBASIC, Mouse Routines
TFM's QBASIC PAGE Mouse interrupt SUB
'Mouse utilities for text mode. Written by TFM 9/11/94
'Uses INT 33 to use a Microsoft Compatable mouse driver
'Written in basic calling an assembly language routine.
'Works in normal basic
DECLARE FUNCTION inbox! (boxx1!, boxx2!, boxy1!, boxy2!) 'if pointer is in box return 1 else return 0
DECLARE FUNCTION inboxpress1! (boxx1!, boxx2!, boxy1!, boxy2!) 'if last press was in box return 1 else return 0
DECLARE FUNCTION inboxpress2! (boxx1!, boxx2!, boxy1!, boxy2!) 'if last press was in box return 1 else return 0
DECLARE FUNCTION inboxrelease1! (boxx1!, boxx2!, boxy1!, boxy2!) 'if last release was in box return 1 else return 0
DECLARE FUNCTION inboxrelease2! (boxx1!, boxx2!, boxy1!, boxy2!) 'if last release was in box return 1 else return 0
DECLARE SUB releasemouse (button!) 'mouse x & y = last place botton 1 pressed
DECLARE SUB pressmouse (button!) 'mouse x & y = last place botton 1 released
DECLARE SUB hidemouse () 'hide mose
DECLARE SUB mouseinterupt (ax!, bx!, cx!, dx!) 'int 33 with register values
DECLARE SUB initmouse () 'sets up mouse & if found mouse passed = 1
DECLARE SUB showmouse () 'show the mouse
DECLARE SUB getxymouse () 'get position of mouse in mouse x & y and mouse buttons in mousebutton 1 & 2
DECLARE SUB verticalmouse (miny!, maxy!) 'Set vertical mouse limmits
DECLARE SUB horizontalmouse (miny!, maxy!) 'Set horizontal mouse limmits
DIM SHARED ax AS INTEGER
DIM SHARED bx AS INTEGER
DIM SHARED cx AS INTEGER
DIM SHARED dx AS INTEGER
DIM SHARED mousex AS INTEGER
DIM SHARED mousey AS INTEGER
DIM SHARED mousebutton1 AS INTEGER
DIM SHARED mousebutton2 AS INTEGER
DIM SHARED mousevisible AS INTEGER
DIM SHARED mousepassed AS INTEGER
CLS
CALL initmouse
CALL showmouse
CALL horizontalmouse(10, 70) 'Set mouse position (min and max)
CALL verticalmouse(10, 15) 'Set mouse position
DO
CALL pressmouse(1) 'Wait for button 1 to be pressed
CALL getxymouse 'Store current positon in globals
'This isn't needed coz pressmouse(1)
'Already does it, but it is an example
'Display position, stored in global variables
LOCATE 24, 1
PRINT "X - "; mousex, " Y - "; mousey, " Button1 - "; mousebutton1; " Button2 - "; mousebutton2;
IF inboxpress1(10, 70, 10, 12) THEN
LOCATE 24, 70
PRINT "*";
ELSE
LOCATE 24, 70
PRINT " ";
END IF
IF mousebutton1 = 1 THEN CALL hidemouse
IF mousebutton2 = 1 THEN CALL showmouse
LOOP
SUB getxymouse
IF mousepassed = 1 THEN
CALL mouseinterupt(&H3, 0, 0, 0)
mousex = (cx / 8) + 1
mousey = (dx / 8) + 1
button = bx
IF button = 0 THEN
mousebutton1 = 0: mousebutton2 = 0
ELSEIF button = 1 THEN
mousebutton1 = 1: mousebutton2 = 0
ELSEIF button = 2 THEN
mousebutton1 = 0: mousebutton2 = 1
ELSEIF button = 3 THEN
mousebutton1 = 1: mousebutton2 = 1
END IF
DEF SEG
LOCATE 24, 1
PRINT "X - "; mousex, " Y - "; mousey, " Button1 - "; mousebutton1; " Button2 - "; mousebutton2;
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END SUB
SUB hidemouse
IF mousepassed = 1 THEN
IF mousevisible = 1 THEN
CALL mouseinterupt(2, 0, 0, 0)
mousevisible = 0
END IF
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END SUB
SUB horizontalmouse (minx, maxx)
IF mousepassed = 1 THEN
IF minx < 0 THEN maxx = 0
IF maxx > 80 THEN maxx = 80
IF maxx < minx THEN maxx = minx
CALL mouseinterupt(7, 0, (minx - 1) * 8, (maxx - 1) * 8)
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END SUB
FUNCTION inbox (boxx1, boxx2, boxy1, boxy2)
IF mousepassed = 1 THEN
CALL getxymouse
IF mousex <= boxx2 AND mousex >= boxx1 AND mousey <= boxy2 AND mousey >= boxy1 THEN
inbox = 1
ELSE
inbox = 0
END IF
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END FUNCTION
FUNCTION inboxpress1 (boxx1, boxx2, boxy1, boxy2)
IF mousepassed = 1 THEN
CALL pressmouse(1)
IF mousex <= boxx2 AND mousex >= boxx1 AND mousey <= boxy2 AND mousey >= boxy1 THEN
inboxpress1 = 1
ELSE
inboxpress1 = 0
END IF
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END FUNCTION
FUNCTION inboxpress2 (boxx1, boxx2, boxy1, boxy2)
IF mousepassed = 1 THEN
CALL pressmouse(2)
IF mousex <= boxx2 AND mousex >= boxx1 AND mousey <= boxy2 AND mousey >= boxy1 THEN
inboxpress2 = 1
ELSE
inboxpress2 = 0
END IF
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END FUNCTION
FUNCTION inboxrelease1 (boxx1, boxx2, boxy1, boxy2)
IF mousepassed = 1 THEN
CALL releasemouse(1)
IF mousex <= boxx2 AND mousex >= boxx1 AND mousey <= boxy2 AND mousey >= boxy1 THEN
inboxrelease1 = 1
ELSE
inboxrelease1 = 0
END IF
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END FUNCTION
FUNCTION inboxrelease2 (boxx1, boxx2, boxy1, boxy2)
IF mousepassed = 1 THEN
CALL releasemouse(2)
IF mousex <= boxx2 AND mousex >= boxx1 AND mousey <= boxy2 AND mousey >= boxy1 THEN
inboxrelease2 = 1
ELSE
inboxrelease2 = 0
END IF
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END FUNCTION
SUB initmouse
CALL mouseinterupt(0, 0, 0, 0)
IF ax = 2 THEN
mousepassed = 1
ELSE
mousepassed = 0
END IF
END SUB
SUB mouseinterupt (m1, m2, m3, m4)
n1 = 0: n2 = 0: n3 = 0: n4 = 0
DO WHILE m1 > 255
m1 = m1 - 255
n1 = n1 + 1
LOOP
DO WHILE m2 > 255
m2 = m2 - 255
n2 = n2 + 1
LOOP
DO WHILE m3 > 255
m3 = m3 - 255
n3 = n3 + 1
LOOP
DO WHILE m4 > 255
m4 = m4 - 255
n4 = n4 + 1
LOOP
DIM b%(47)
DEF SEG = VARSEG(b%(0))
POKE VARPTR(b%(0)) + 0, &H50 'push AX
POKE VARPTR(b%(0)) + 1, &H53 'push BX
POKE VARPTR(b%(0)) + 2, &H51 'push CX
POKE VARPTR(b%(0)) + 3, &H52 'push DX
POKE VARPTR(b%(0)) + 4, &H1E 'push DS
POKE VARPTR(b%(0)) + 5, &HB8
POKE VARPTR(b%(0)) + 6, m1 'set AX
POKE VARPTR(b%(0)) + 7, n1
POKE VARPTR(b%(0)) + 8, &HBB
POKE VARPTR(b%(0)) + 9, m2 'set BX
POKE VARPTR(b%(0)) + 10, n2
POKE VARPTR(b%(0)) + 11, &HB9
POKE VARPTR(b%(0)) + 12, m3 'set CX
POKE VARPTR(b%(0)) + 13, n3
POKE VARPTR(b%(0)) + 14, &HBA
POKE VARPTR(b%(0)) + 15, m4 'set DX
POKE VARPTR(b%(0)) + 16, n4
POKE VARPTR(b%(0)) + 17, &HCD 'INT 33
POKE VARPTR(b%(0)) + 18, &H33
POKE VARPTR(b%(0)) + 19, &H50 'push AX
POKE VARPTR(b%(0)) + 20, &HB8 'AX = B800
POKE VARPTR(b%(0)) + 21, &H0
POKE VARPTR(b%(0)) + 22, &HB8
POKE VARPTR(b%(0)) + 23, &H8E 'DS = AX
POKE VARPTR(b%(0)) + 24, &HD8
POKE VARPTR(b%(0)) + 25, &H58 'pop AX
POKE VARPTR(b%(0)) + 26, &H89
POKE VARPTR(b%(0)) + 27, &H1E '[0001] = AX
POKE VARPTR(b%(0)) + 28, &HA1
POKE VARPTR(b%(0)) + 29, &HF
POKE VARPTR(b%(0)) + 30, &H89
POKE VARPTR(b%(0)) + 31, &H1E '[0003] = BX
POKE VARPTR(b%(0)) + 32, &HA3
POKE VARPTR(b%(0)) + 33, &HF
POKE VARPTR(b%(0)) + 34, &H89
POKE VARPTR(b%(0)) + 35, &HE '[0005] = CX
POKE VARPTR(b%(0)) + 36, &HA5
POKE VARPTR(b%(0)) + 37, &HF
POKE VARPTR(b%(0)) + 38, &H89
POKE VARPTR(b%(0)) + 39, &H16 '[0007] = DX
POKE VARPTR(b%(0)) + 40, &HA7
POKE VARPTR(b%(0)) + 41, &HF
POKE VARPTR(b%(0)) + 42, &H1F 'pop DS
POKE VARPTR(b%(0)) + 43, &H5A 'pop DX
POKE VARPTR(b%(0)) + 44, &H59 'pop CX
POKE VARPTR(b%(0)) + 45, &H5B 'pop BX
POKE VARPTR(b%(0)) + 46, &H58 'pop AX
POKE VARPTR(b%(0)) + 47, &HCB 'RETF
CALL ABSOLUTE(VARPTR(b%(0)))
DEF SEG = &HB800
ax = PEEK(&HFA1) + 256 * PEEK(&HFA2)
bx = PEEK(&HFA3) + 256 * PEEK(&HFA4)
cx = PEEK(&HFA5) + 256 * PEEK(&HFA6)
dx = PEEK(&HFA7) + 256 * PEEK(&HFA8)
END SUB
SUB movemouse (newx, newy)
IF mousepassed = 1 THEN
IF newx < 26 AND newx > 0 AND newy < 81 AND newy > 0 THEN
CALL mouseinterupt(4, 0, (newx - 1) * 8, (newy - 1) * 8)
mousex = newx
mousey = newy
ELSE
PRINT
PRINT "Illegal mouse position!!!";
END IF
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END SUB
SUB pressmouse (button)
IF mousepassed = 1 THEN
CALL mouseinterupt(5, button - 1, 0, 0)
mousex = (cx / 8) + 1
mousey = (dx / 8) + 1
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END SUB
SUB releasemouse (button)
IF mousepassed = 1 THEN
CALL mouseinterupt(5, button - 1, 0, 0)
mousex = (cx / 8) + 1
mousey = (dx / 8) + 1
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END SUB
SUB showmouse
IF mousepassed = 1 THEN
IF mousevisible = 0 THEN
CALL mouseinterupt(1, 0, 0, 0)
mousevisible = 1
END IF
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END SUB
SUB verticalmouse (miny, maxy)
IF mousepassed = 1 THEN
IF miny < 0 THEN maxy = 0
IF maxy > 25 THEN maxy = 25
IF maxy < miny THEN maxy = miny
CALL mouseinterupt(8, 0, (miny - 1) * 8, (maxy - 1) * 8)
ELSE
LOCATE 24, 1
PRINT "Sorry no mouse found"
END IF
END SUB
TFM's QBASIC PAGE Mouse interrupt SUB