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SA2U
11 | 12 |
旼컴컴컴컴컴컴컴컴컴컴컴컴컴� | ASCII TABLE |
� INT 19 - BOOTSTRAP LOADER � | |
읕컴컴컴컴컴컴컴컴컴컴컴컴컴� | �袴袴藁袴袴藁袴袴藁袴袴藁袴袴藁袴袴藁袴袴藁袴袴敲 |
| � 0 � 1 � 2 � 3 � 4 � 5 � 6 � 7 � |
INPUT PARAMETERS: NONE | �誥袴袴誥袴袴誥袴袴誥袴袴誥袴袴誥袴袴誥袴袴誥袴袴攷 |
OUTPUT PARAMETERS: NONE | �0� NUL � DLE 튥PACE� 0 � @ � P � ` � p � |
OTHER: TRACK 0, SECTOR 1 IS LOADED INTO | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
ADDRESS 0:7C00 AND CONTROL IS | �1� SOH � DC1 � ! � 1 � A � Q � a � q � |
TRANSFERRED THERE | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
| �2� STX � DC2 � " � 2 � B � R � b � r � |
旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴커 | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
� INT 1A - SYSTEM AND REAL TIME CLOCK BIOS � | �3� ETX � DC3 � # � 3 � C � S � c � s � |
읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴켸 | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
| �4� EOT � DC4 � $ � 4 � D � T � d � t � |
INPUT PARAMETERS: | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
| �5� ENQ � NAK � % � 5 � E � U � e � u � |
AH = 00 - READ SYSTEM TIME COUNTER | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
ON EXIT: CX = HIGH PORTION OF COUNT | �6� ACK � SYN � & � 6 � F � V � f � v � |
DX = LOW PORTION OF COUNT | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
AL = 0 IF 24 HOURS NOT PASSED SINCE RESET | �7� BEL � ETB � ' � 7 � G � W � g � w � |
| 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
AH = 01 - SET SYSTEM TIME COUNTER | �8� BS � CAN � ( � 8 � H � X � h � x � |
CX = HIGH PORTION OF COUNT | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
DX = LOW PORTION OF COUNT | �9� HT � EM � ) � 9 � I � Y � i � y � |
| 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
AH = 02 - READ REAL TIME CLOCK TIME (PC/AT ONLY) | 튍� LF � SUB � * � : � J � Z � j � z � |
ON EXIT: CH = HOURS IN BCD | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
CL = MINUTES IN BCD | 튎� VT � ESC � + � ; � K � [ � k � { � |
DH = SECONDS IN BCD | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
DL = 1 IF DAYLIGHT SAVINGS TIME OPTION | 튏� FF � FS � , � < � L � \ � l � | � |
CY = 1 IF CLOCK NOT OPERATING | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
| 튒� CR � GS � - � = � M � ] � m � } � |
AH = 03 - SET REAL TIME CLOCK TIME (PC/AT ONLY) | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
CH = HOURS IN BCD | 튓� SO � RS � . � > � N � ^ � n � ~ � |
CL = MINUTES IN BCD | 勁胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴胱袴袴� |
DH = SECONDS IN BCD | 튔� SI � US � / � ? � O � _ � o � DEL � |
DL = 1 IF DAYLIGHT SAVINGS TIME OPTION | 훤姦袴袴姦袴袴姦袴袴姦袴袴姦袴袴姦袴袴姦袴袴姦袴袴� |
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AH = 04 - READ REAL TIME CLOCK DATE (PC/AT ONLY) | |
ON EXIT: CH = CENTURY IN BCD | |
CL = YEAR IN BCD | COLOR ATTRIBUTES |
DH = MONTH IN BCD | |
DL = DAY IN BCD | 0 - BLACK 4 - RED 8 - GRAY C - LT. RED |
CY = 1 IF CLOCK NOT OPERATING | 1 - BLUE 5 - MAGENTA 9 - LT. BLUE D - LT. MAGENTA |
| 2 - GREEN 6 - BROWN A - LT. GREEN E - YELLOW |
AH = 05 - SET REAL TIME CLOCK DATE (PC/AT ONLY) | 3 - CYAN 7 - WHITE B - LT. CYAN F - BRIGHT WHITE |
CH = CENTURY IN BCD | |
CL = YEAR IN BCD | * NOTE: SET BIT 4 FOR BLINK |
DH = MONTH IN BCD | |
DL = DAY IN BCD | |
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AH = 06 - SET REAL TIME CLOCK ALARM (PC/AT ONLY) | |
CH = HOURS IN BCD | |
CL = MINUTES IN BCD | |
DH = SECONDS IN BCD | |
ON EXIT: | |
CY = 1 IF ALARM ALREADY SET OR CLOCK INOPERABLE| |
INT 4A OCCURS AT SPECIFIED ALARM TIME | |
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AH = 07 - RESET REAL TIME CLOCK ALARM | |
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AH = 08 - SET RTC ACTIVATED POWER ON MODE (CONVERTIBLE) | |
CH = HOURS IN BCD | |
CL = MINUTES IN BCD | |
DH = SECONDS IN BCD | |
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AH = 09 - READ RTC ALARM TIME AND STATUS (CONVERTIBLE) | |
ON EXIT: CH = HOURS IN BCD | |
CL = MINUTES IN BCD | |
DH = SECONDS IN BCD | |
DL = ALARM STATUS: | |
= 00 IF ALARM NOT ENABLED | |
= 01 IF ALARM ENABLED BUT WILL NOT POWER | |
UP SYSTEM | |
= 02 IF ALARM WILL POWER UP SYSTEM | |
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AH = 80 - SET UP SOUND MULTIPLEXOR (PCjr ONLY) | |
AL = 00 - SOURCE IS 8253 CHANNEL 2 | |
= 01 - SOURCE IS CASSETTE INPUT | |
= 02 - SOURCE IS I/O CHANNEL "AUDIO IN" | |
= 03 - SOURCE IS SOUND GENERATOR CHIP | |
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9 | 10 |
INT 15 - SYSTEM SERVICES BIOS AH = 41 (CONTINUED) | 旼컴컴컴컴컴컴컴컴컴컴컴커 |
| � INT 16 - KEYBOARD BIOS � |
BH = CONDITION COMPARE OR MASK VALUE | 읕컴컴컴컴컴컴컴컴컴컴컴켸 |
BL = TIMEOUT VALUE TIMES 55 MSEC. | |
= 0 IF NO TIME LIMIT | INPUT PARAMETERS: |
DX = I/O PORT ADDRESS (IF AL BIT 4 = 1) | |
ES:DI = POINTER TO USER BYTE (IF AL BIT 4 = 0) | AH = 00 - WAIT FOR KEYSTROKE AND READ |
| ON EXIT: |
AH = 42 - REQUEST SYSTEM POWER OFF (CONVERTIBLE ONLY) | AH = SCAN CODE |
AL = 00 TO USE SYSTEM PROFILE | AL = ASCII CHARACTER IF APPLICABLE |
= 01 TO FORCE SUSPEND REGARDLESS OF PROFILE | |
| AH = 01 - GET KEYSTROKE STATUS |
AH = 43 - READ SYSTEM STATUS (CONVERTIBLE ONLY) | ON EXIT: |
ON EXIT: AL = STATUS: | ZF = 0 IF KEY PRESSED |
旼쩡쩡쩡쩡쩡쩡쩡� | AH = SCAN CODE |
�7�6�5�4�3�2�1�0� AL | AL = ASCII CHARACTER IF APPLICABLE |
읕좔좔좔좔좔좔좔� | NOTE: CODE NOT REMOVED FROM BUFFER |
� � � � � � � � | |
� � � � � � � 읕컴컴 LCD DETACHED | AH = 02 - GET SHIFT STATUS |
� � � � � � 읕컴컴컴 RESERVED | ON EXIT: |
� � � � � 읕컴컴컴컴 RS232/PARALLEL POWERED ON| 旼쩡쩡쩡쩡쩡쩡쩡� |
� � � � 읕컴컴컴컴컴 INTERNAL MODEM POWERED ON| �7�6�5�4�3�2�1�0� AL |
� � � 읕컴컴컴컴컴컴 POWER ACTIVATED BY ALARM | 읕좔좔좔좔좔좔좔� |
� � 읕컴컴컴컴컴컴컴 STANDBY POWER LOST | � � � � � � � � |
� 읕컴컴컴컴컴컴컴컴 EXTERNAL POWER IN USE | � � � � � � � 읕컴컴 RIGHT SHIFT KEY DEPRESSED |
읕컴컴컴컴컴컴컴컴컴 BATTERY LOW | � � � � � � 읕컴컴컴 LEFT SHIFT KEY DEPRESSED |
| � � � � � 읕컴컴컴컴 CONTROL SHIFT KEY DEPRESSED |
AH = 44 - (DE)ACTIVATE INTERNAL MODEM POWER (CONVERTIBLE)| � � � � 읕컴컴컴컴컴 ALTERNATE SHIFT KEY DEPRESSED |
AL = 00 TO POWER OFF | � � � 읕컴컴컴컴컴컴 SCROLL LOCK STATE ACTIVE |
= 01 TO POWER ON | � � 읕컴컴컴컴컴컴컴 NUM LOCK STATE ACTIVE |
| � 읕컴컴컴컴컴컴컴컴 CAPS LOCK STATE ACTIVE |
AH = 4F - KEYBOARD INTERCEPT | 읕컴컴컴컴컴컴컴컴컴 INSERT STATE IS ACTIVE |
AL = SCAN CODE, CY=1 | |
ON EXIT: | AH = 04 - KEYBOARD CLICK ADJUSTMENT |
AL = SCAN CODE, CY=1 IF PROCESSING DESIRED | AL = 1 FOR CLICK ON, =0 FOR CLICK OFF |
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AH = 80 - DEVICE OPEN | AH = 05 - KEYBOARD BUFFER WRITE |
BX = DEVICE ID | CH = SCAN CODE |
CX = PROCESS ID | CL = ASCII CHARACTER |
| ON EXIT: |
AH = 81 - DEVICE CLOSE | AL = 01 IF BUFFER FULL |
BX = DEVICE ID | |
CX = PROCESS ID | AH = 10 - EXTENDED WAIT FOR KEYSTROKE AND READ |
| ON EXIT: |
AH = 82 - PROGRAM TERMINATION | AH = SCAN CODE |
BX = DEVICE ID | AL = ASCII CHARACTER IF APPLICABLE |
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AH = 83 - EVENT WAIT | AH = 11 - EXTENDED GET KEYSTROKE STATUS |
AL = 0 TO SET INTERVAL | ON EXIT: |
= 1 TO CANCEL | ZF = 0 IF KEY PRESSED |
ES:BX = POINTER TO MEMORY FLAG (BIT 7 IS SET | AH = SCAN CODE |
WHEN INTERVAL EXPIRES) | AL = ASCII CHARACTER IF APPLICABLE |
CX,DX = NUMBER OF MICROSECONDS TO WAIT | NOTE: CODE NOT REMOVED FROM BUFFER |
(GRANULARITY IS 976 MICROSECONDS) | |
ON EXIT: CY = 1 IF FUNCTION ALREADY BUSY | AH = 12 - EXTENDED GET SHIFT STATUS |
| ON EXIT: |
AH = 84 - JOYSTICK SUPPORT | 旼쩡쩡쩡쩡쩡쩡쩡� |
DX = 0 TO READ THE CURRNENT SWITCH SETTINGS | �7�6�5�4�3�2�1�0� AL |
ON EXIT: AL = SWITCH SETTINGS (BITS 7-4) | 읕좔좔좔좔좔좔좔� |
ON ENTRY: DX = 1 TO READ THE RESISTIVE INPUTS | � � � � � � � � |
ON EXIT: AX = A(X),BX = A(Y), CX = B(X), DX = B(Y) | � � � � � � � 읕컴컴 RIGHT SHIFT KEY DEPRESSED |
| � � � � � � 읕컴컴컴 LEFT SHIFT KEY DEPRESSED |
AH = 85 - SYSTEM REQUEST KEY PRESSED | � � � � � 읕컴컴컴컴 CONTROL SHIFT KEY DEPRESSED |
AL = 00 MAKE OF KEY | � � � � 읕컴컴컴컴컴 ALTERNATE SHIFT KEY DEPRESSED |
= 01 BREAK OF KEY | � � � 읕컴컴컴컴컴컴 SCROLL LOCK STATE ACTIVE |
| � � 읕컴컴컴컴컴컴컴 NUM LOCK STATE ACTIVE |
AH = 86 - ELAPSED TIME WAIT (PCAT AND AFTER) | � 읕컴컴컴컴컴컴컴컴 CAPS LOCK STATE ACTIVE |
CL,DX = NUMBER OF MICROSECONDS TO WAIT | 읕컴컴컴컴컴컴컴컴컴 INSERT STATE IS ACTIVE |
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AH = 87 - MOVE BLOCK TO/FROM EXTENDED MEMORY | 旼쩡쩡쩡쩡쩡쩡쩡� |
CX = WORD COUNT OF BLOCK TO BE MOVED | �7�6�5�4�3�2�1�0� AH |
ES:SI = POINTER TO GLOBAL DESCRIPTOR TABLE | 읕좔좔좔좔좔좔좔� |
| � � � � � � � � |
AH = 88 - EXTENDED MEMORY SIZE DETERMINE | � � � � � � � 읕컴컴 LEFT CONTROL KEY PRESSED |
ON EXIT: AX = NUMBER OF CONTIGUOUS 1K BLOCKS OF | � � � � � � 읕컴컴컴 LEFT ALT KEY DEPRESSED |
MEMORY STARTING AT ADDRESS 1024K | � � � � � 읕컴컴컴컴 RIGHT CONTROL KEY PRESSED |
| � � � � 읕컴컴컴컴컴 RIGHT ALT KEY DEPRESSED |
AH = 89 - SWITCH PROCESSOR TO PROTECTED MODE | � � � 읕컴컴컴컴컴컴 SCROLL LOCK KEY DEPRESSED |
ES:SI = POINTER TO GDT | � � 읕컴컴컴컴컴컴컴 NUM LOCK KEY DEPRESSED |
BH = OFFSET INTO IDT WHERE INTS 0-7 ARE | � 읕컴컴컴컴컴컴컴컴 CAPS LOCK KEY DEPRESSED |
BL = OFFSET INTO IDT WHERE INTS 8-15 ARE | 읕컴컴컴컴컴컴컴컴컴 SYSTEM REQUEST KEY DEPRESSED |
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AH = 90 - DEVICE BUSY | 旼컴컴컴컴컴컴컴컴컴컴컴� |
AL = TYPE CODE: | � INT 17 - PRINTER BIOS � |
= 00 - DISK | 읕컴컴컴컴컴컴컴컴컴컴컴� |
= 01 - DISKETTE | |
= 02 - KEYBOARD | AH = 00 - PRINT CHARACTER |
= 80 - NETWORK (ES:BX = NCB) | AL = CHARACTER TO PRINT |
= FC - DISK RESET | DX = PRINTER TO BE USED (0,1,2) |
= FD - DISKETTE MOTOR START | ON EXIT: |
= FE - PRINTER | AH = STATUS |
ON EXIT: CY = 1 IF WAIT TIME SATISFIED | |
| AH = 01 - INITIALIZE THE PRINTER PORT |
AH = 91 - INTERRUPT COMPLETE | DX = PRINTER PORT TO BE INITIALIZED (0,1,2)|
AL = TYPE CODE (SEE AH=90 ABOVE) | ON EXIT: |
| AH = STATUS |
AH = C0 - RETURN SYSTEM CONFIGURATION PARAMETERS | |
ON EXIT: ES:BX = POINTER TO SYSTEM DESCRIPTOR: | AH = 02 - READ PRINTER PORT STATUS |
WORD - LENGTH OF DESCRIPTOR | DX = PRINTER PORT TO BE USED (0,1,2) |
BYTE - MODEL BYTE | ON EXIT: |
BYTE - SECONDARY MODEL BYTE | AH = STATUS |
BYTE - BIOS REVISION LEVEL | |
BYTE - FEATURE INFORMATION: | 旼쩡쩡쩡쩡쩡쩡쩡� |
旼쩡쩡쩡쩡쩡쩡쩡� | �7�6�5�4�3�2�1�0� PRINTER STATUS BITS |
�7�6�5�4�3�2�1�0� FEATURE BYTE | 읕좔좔좔좔좔좔좔� |
읕좔좔좔좔좔좔좔� | � � � � � � � � |
� � � � � � � � | � � � � � � � 읕컴컴 TIME OUT |
� � � � 읕좔좔좔컴컴 RESERVED | � � � � � 읕좔컴컴컴 NOT USED |
� � � 읕컴컴컴컴컴컴 INT 15 AH=4F USED| � � � � 읕컴컴컴컴컴 I/O ERROR |
� � 읕컴컴컴컴컴컴컴 RTC PRESENT | � � � 읕컴컴컴컴컴컴 SELECTED |
� 읕컴컴컴컴컴컴컴컴 2ND 8259 PRESENT | � � 읕컴컴컴컴컴컴컴 OUT OF PAPER |
읕컴컴컴컴컴컴컴컴컴 DMA CHAN. 3 USED | � 읕컴컴컴컴컴컴컴컴 ACKNOWLEDGE |
| 읕컴컴컴컴컴컴컴컴컴 NOT BUSY |
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7 | 8 |
INT 13 - FIXED DISK BIOS (CONTINUED) | INT 14 - ASYNCHRONOUS COMMUNICATIONS BIOS (CONTINUED) |
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AH = 0A - READ LONG | AH = 01 - SEND CHARACTER IN AL |
ON EXIT: AL = NUMBER OF SECTORS ACTUALLY TRANSFERRED | ON EXIT: AH = LINE STATUS |
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AH = 0B - WRITE LONG | AH = 02 - RECEIVE CHARACTER IN AL |
ON EXIT: AL = NUMBER OF SECTORS ACTUALLY TRANSFERRED | ON EXIT: AH = LINE STATUS |
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AH = 0C - SEEK | AH = 03 - READ STATUS |
| ON EXIT: AH = LINE STATUS |
AH = 0D - ALTERNATE DISK RESET | AL = MODEM STATUS |
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AH = 0E - READ SECTOR BUFFER (XT, PORTABLE ONLY) | AH = 04 - EXTENDED INITIALIZE |
ON EXIT: AL = NUMBER OF SECTORS ACTUALLY TRANSFERRED | AL = BREAK STATUS |
| = 1 IF BREAK |
AH = 0F - WRITE SECTOR BUFFER (XT, PORTABLE ONLY) | = 0 IF NO BREAK |
ON EXIT: AL = NUMBER OF SECTORS ACTUALLY TRANSFERRED | BH = PARITY |
| = 0 - NO PARITY |
AH = 10 - TEST DRIVE READY | = 1 - ODD PARITY |
| = 2 - EVEN PARITY |
AH = 11 - RECALIBRATE | = 3 - STICK PARITY ODD |
| = 4 - STICK PARITY EVEN |
AH = 12 - CONTROLLER RAM DIAGNOSTIC (XT, PORTABLE ONLY) | BL = NUMBER OF STOP BITS |
| = 0 - ONE STOP BIT |
AH = 13 - DRIVE DIAGNOSTIC (XT, PORTABLE ONLY) | = 1 - 2 STOP BITS (1� IF 5 BIT WORD LEN)|
| CH = WORD LENGTH |
AH = 14 - CONTROLLER INTERNAL DIAGNOSTIC | = 0 - 5 BITS |
| = 1 - 6 BITS |
AH = 15 - READ DASD TYPE (PC/AT ONLY) | = 2 - 7 BITS |
ON EXIT: AH = 00 IF DRIVE NOT PRESENT | = 3 - 8 BITS |
= 03 IF FIXED DISK PRESENT | CL = BAUD RATE |
CX,DX = NUMBER OF 512 BYTE BLOCKS | = 0 - 110 |
| = 1 - 150 |
AH = 16 - RESERVED FOR DISKETTE | = 2 - 300 |
| = 3 - 600 |
AH = 17 - RESERVED FOR DISKETTE | = 4 - 1200 |
| = 5 - 2400 |
AH = 18 - RESERVED FOR DISKETTE | = 6 - 4800 |
| = 7 - 9600 |
AH = 19 - PARK FIXED DISK HEADS (XT MODEL 286) | = 8 - 19200 |
| ON EXIT: |
| AL = MODEM STATUS |
旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� | AH = LINE CONTROL STATUS |
� INT 14 - ASYNCHRONOUS COMMUNICATIONS BIOS � | |
읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� | AH = 05 - EXTENDED COMMUNICATION PORT CONTROL |
| AL = 00 - READ MODEM CONTROL REGISTER |
FOR INT 14 THE FOLLOWING STATUS IS DEFINED: | BL = MODEM CONTROL REG (SEE AL=1)|
| AL = 01 - WRITE MODEM CONTROL REGISTER |
旼쩡쩡쩡쩡쩡쩡쩡� | BL = MODEM CONTRO REGISTER: |
�7�6�5�4�3�2�1�0� MODEM STATUS | 旼쩡쩡쩡쩡쩡쩡쩡� |
읕좔좔좔좔좔좔좔� | �7�6�5�4�3�2�1�0� BL (FOR AL=00 AND AL=01) |
� � � � � � � � | 읕좔좔좔좔좔좔좔� |
� � � � � � � 읕컴컴 DELTA CLEAR TO SEND | � � � � � � � � |
� � � � � � 읕컴컴컴 DELTA DATA SET READY | � � � � � � � 읕컴컴 DATA TERMINAL READY |
� � � � � 읕컴컴컴컴 TRAILING EDGE RING DETECTOR | � � � � � � 읕컴컴컴 REQUEST TO SEND |
� � � � 읕컴컴컴컴컴 DELTA RECEIVE LINE SIGNAL DET.| � � � � � 읕컴컴컴컴 OUT1 |
� � � 읕컴컴컴컴컴컴 CLEAR TO SEND | � � � � 읕컴컴컴컴컴 OUT2 |
� � 읕컴컴컴컴컴컴컴 DATA SET READY | � � � 읕컴컴컴컴컴컴 LOOP |
� 읕컴컴컴컴컴컴컴컴 RING INDICATOR | 읕좔좔컴컴컴컴컴컴컴 RESERVED |
읕컴컴컴컴컴컴컴컴컴 RECEIVE LINE SIGNAL DETECT | ON EXIT: |
| AH = STATUS |
旼쩡쩡쩡쩡쩡쩡쩡� | |
�7�6�5�4�3�2�1�0� LINE STATUS | |
읕좔좔좔좔좔좔좔� | 旼컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� |
� � � � � � � � | � INT 15 - SYSTEM SERVICES BIOS � |
� � � � � � � 읕컴컴 DATA READY | 읕컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� |
� � � � � � 읕컴컴컴 OVERRUN ERROR | |
� � � � � 읕컴컴컴컴 PARITY ERROR | INPUT PARAMETERS: |
� � � � 읕컴컴컴컴컴 FRAMING ERROR | |
� � � 읕컴컴컴컴컴컴 BREAK DETECT | AH = 00 - TURN CASSETTE MOTOR ON (PC,PCjr ONLY) |
� � 읕컴컴컴컴컴컴컴 TRANSMIT HOLDING REG. EMPTY | |
� 읕컴컴컴컴컴컴컴컴 TRANSMIT SHIFT REGISTER EMPTY | AH = 01 - TURN CASSETTE MOTOR OFF (PC,PCjr ONLY) |
읕컴컴컴컴컴컴컴컴컴 TIME OUT * | |
| AH = 02 - READ BLOCKS FROM CASETTE (PC,PCjr ONLY) |
* NOTE: IF BIT 7 SET THEN OTHER BITS ARE INVALID | ES:BX = OFFSET OF DATA BUFFER |
| CX = COUNT OF BYTES TO READ |
ALL ROUTINES HAVE AH=FUNCTION NUMBER AND DX=RS232 CARD | ON EXIT: |
NUMBER (0 BASED). AL=CHARACTER TO SEND OR RECEIVED | ES:BX = OFFSET OF LAST BYTE READ+1 |
CHARACTER ON EXIT, UNLESS OTHERWISE NOTED. | DX = COUNT OF BYTES ACTUALLY READ |
| AH = ERROR CODE IF CY=1 |
AH = 00 - INITIALIZE COMMUNICATIONS PORT | |
AL = PARMS FOR INITIALIZATION: | AH = 03 - WRITE BLOCKS TO CASETTE (PC,PCjr ONLY) |
旼쩡쩡쩡쩡쩡쩡쩡� | ES:BX = OFFSET OF DATA BUFFER |
�7�6�5�4�3�2�1�0� AL | CX = COUNT OF BYTES TO WRITE |
읕좔좔좔좔좔좔좔� | ON EXIT: |
� � � � � � � � | ES:BX = OFFSET OF LAST BYTE WRITTEN+1 |
� � � � � � 읕좔컴컴 WORD LENGTH | AH = ERROR CODE IF CY=1 |
� � � � � 읕컴컴컴컴 STOP BITS | |
� � � 읕좔컴컴컴컴컴 PARITY | AH = 40 - READ / MODIFY PROFILES (CONVERTIBLE ONLY) |
읕좔좔컴컴컴컴컴컴컴 BAUD RATE | AL = 00 - RETURN SYSTEM PROFILE IN CX,BX |
| AL = 01 - MODIFY SYSTEM PROFILE |
WORD LENGTH: 10 = 7 BITS | CX,BX = PROFILE INFO |
11 = 8 BITS | AL = 02 - RET. INTERNAL MODEM PROFILE IN BX|
| AL = 03 - MODIFY INTERNAL MODEM PROFILE |
STOP BITS: 0 = 1 STOP BIT | BX = PROFILE INFO |
1 = 2 STOP BITS | |
| AH = 41 - WAIT ON EXTERNAL EVENT (CONVERTIBLE ONLY) |
PARITY: X0 = NONE | AL = CONDITION TYPE: |
01 = ODD | 旼쩡쩡쩡쩡쩡쩡쩡� |
11 = EVEN | �7�6�5�4�3�2�1�0� AL |
| 읕좔좔좔좔좔좔좔� |
BAUD RATE:000 = 110 BAUD | � � � � � � � � |
001 = 150 BAUD | � � � � � 읕좔좔컴컴 CONDITION TO WAIT FOR |
010 = 300 BAUD | � � � � 읕컴컴컴컴컴 RESERVED |
011 = 600 BAUD | � � � 읕컴컴컴컴컴컴 1=PORT ADDR./0=USER BYTE |
100 = 1200 BAUD | 읕좔좔컴컴컴컴컴컴컴 RESERVED |
101 = 2400 BAUD | |
110 = 4800 BAUD | CONDITION CODES: |
111 = 9600 BAUD | |
| 0 = ANY EXTERNAL EVENT |
ON EXIT: AL = MODEM STATUS | 1 = COMPARE AND RETURN IF EQUAL |
AH = LINE STATUS | 2 = COMPARE AND RETURN IF NOT EQUAL |
| 3 = TEST AND RETURN IF NOT ZERO |
| 4 = TEST AND RETURN IF ZERO |
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CONTINUED ON NEXT PANEL | |
| CONTINUED ON NEXT PANEL |
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