SECTION 6
Conversions and Interfaces
6-42 PEN*KEY
R
6100 Computer Programmer’s Reference Guide
INT 10h, Function AH = 0Eh: Teletype Character Write
BIOS, VROTATE
Writes characters to the display as if it was a serial terminal. It functions in all
display modes. A carriage return homes the cursor on the current line. A line
feed advances the cursor to the next line. Backspace backs up the cursor, but
only to the beginning of the current line. Bell beeps the buzzer. All other charĆ
acters are displayable characters. The cursor is always advanced after a characĆ
ter is written. If the end of a line is reached, the cursor is advanced to the next
line. If the position of the last line of the display is written to, the display is
scrolled up by one line.
On Entry:
AH = 0Eh
AL = Character to write
BH = Page
BL = Foreground color in graphics mode
On Return:
None
INT 10h, Function AH = 0Fh: Return Current Video State
BIOS, VROTATE
Returns information stored in locations maintained by Functions 0 and 5.
On Entry:
AH = 0Fh
On Return:
AH = Number of screen columns
AL = Mode currently set
BH = Active display page
INT 10h, Function AX = 1000h: Set Palette Register
BIOS
Sets the selected palette register to the color value in BH.
On Entry:
AH = 10h
AL = 00h
BH = Color value
BL = Palette register (00ć0Fh)
On Return:
None
INT 10h, Function AX = 1001h: Set Border Color
BIOS
Sets the color of the screen border to the color value in BH.
On Entry:
AH = 10h
AL = 01h
BH = Color value
On Return:
None
6. Conversions and
Interfaces
Summary of Contents for PEN*KEY 6100
Page 1: ...PEN KEYR 6100 Computer PROGRAMMER S REFERENCE GUIDE P N 977 054 001 Revision B December 2000 ...
Page 14: ...CONTENTS xii PEN KEYR 6100 Computer Programmer s Reference Guide ...
Page 22: ...Preface 8 PEN KEYR 6100 Computer Programmer s Reference Guide PREFACE ...
Page 318: ...GENERAL INDEX Index 6 PEN KEYR 6100 Computer Programmer s Reference Guide ...
