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The PC-SIG Library 10
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The PC-Sig Library - Shareware for the IBM PC and Compatibles (PC-SIG)(Tenth Edition Disks 1-2804)(1991).iso
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CLS.INC
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1984-06-25
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1KB
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39 lines
' CLS.INC: Procedures to make clearing the screen faster.
'
' version: 06-25-84
' compiler: Structured BASIC v1.12
' uses: assemler routine CLS.DATA
' module type: include
'
' Function FNWHERE(P) locates assembler language program as a
' string in memory. Be careful about changing code to load it!
procedure SETUP.CLS 'Load the assembler program, set up variables
def FNWHERE(P) = 256*peek(P+2) + peek(P+1)
CLS.ASM$ = space$(23)
restore CLS.DATA
SETUP.CLS.P = FNWHERE(VARPTR(CLS.ASM$))
for SETUP.CLS.I%=1 to 22
read SETUP.CLS.J%
poke SETUP.CLS.P,SETUP.CLS.J%
SETUP.CLS.P = SETUP.CLS.P + 1
next SETUP.CLS.I%
endproc
procedure CLEOS 'Clear from cursor to end of screen
EOS.COUNT% = 24*SCREEN.WIDTH - (csrlin-1)*SCREEN.WIDTH - pos(0)
CLS.SUB = FNWHERE(varptr(CLS.ASM$))
call CLS.SUB(EOS.COUNT%)
endproc
procedure CLEOL 'Clear from cursor to end of line
EOL.COUNT% = SCREEN.WIDTH-pos(0)
CLS.SUB = FNWHERE(varptr(CLS.ASM$))
call CLS.SUB(EOL.COUNT%)
endproc
CLS.DATA|
data &H55, &H8B, &HEC, &H8B, &H76, &H06, &H8B, &H0C, &HB7, &H00
data &HB0, &H20, &HB3, &H07, &HB4, &H09, &HCD, &H10, &H5D, &HCA
data &H02, &H00