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CRT_PUTC.ASM
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Assembly Source File
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1985-04-06
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2KB
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115 lines
;-----------------------------------------------------------------------
;
; name crt_putcamult -- put multiple characters with attribute
;
; synopsis VOID crt_putcamult(ch, page, count)
; int ch, page, count;
;
;
; description write character and attribute at current cursor location
; high byte of ch is attribute, low byte is character
;
; page is page # to place text on (text modes only)
;
; Count is # of times to put character (good for top
; and bottom of boxes).
;
;----------------------------------------------------------------------
;-----------------------------------------------------------------------
;
; name crt_putch -- put character only at current cursor
;
; synopsis VOID crt_putch(ch, page, count)
; int ch, page, count;
;
;
; description Write character only at current cursor location -
; existing attributes are used.
;
; notes Page is page # to place text on (text modes only).
;
; Count is # of times to put character.
;
;----------------------------------------------------------------------
include dos.mac
video equ 10h ; video interrupt number
IF LPROG
X EQU 6 ;OFFSET OF ARGUMENTS
ELSE
X EQU 4 ;OFFSET OF ARGUMENTS
ENDIF
PSEG
PUBLIC crt_putcamult
IF LPROG
crt_putcamult PROC FAR
ELSE
crt_putcamult PROC NEAR
ENDIF
push bp
call vput1 ; set up for routine
mov ah,9 ; multiple times
int video
pop bp
ret
crt_putcamult endp
;
; internal routine
;
vput1 proc near
mov bp,sp
mov ax,[bp+x+2] ; attribute and character
mov bh,[bp+x+4]
mov cx,[bp+x+6]
mov bl,ah
ret
vput1 endp
PUBLIC crt_putch
IF LPROG
crt_putch PROC FAR
ELSE
crt_putch PROC NEAR
ENDIF
push bp
call vput1
mov ah,10 ; write character only function
int video
pop bp
ret
crt_putch endp
endps
end