IBM 5150 PC Technical Reference (6025005, August, 1981) (PDF)

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LOC OBJ I.INf SOURCE ,..-..." ~ Eass 4020101:1804- 1736 E890 020. 1737 1738 1739 1740 £892 IBFFOOFFFFFFI EFF 1741 E89A fFFfFFIFfF7FFFll 1742 f8A2 170512:141915090F 1743 feAA lO181DOAFF01l3 1744 E8B1 040b-C17080AOBOCFFff 1745 EeBA FFFFICIA18031602 1746 fBe2: OEODfFFfFfFFFfff 1747 E8CA 20F-F 1748 1749 f8ce 1750 fBce 'SESF606162636465 1751 £8D4 6667FHF77Ff84fF 1752: ESDC 73F"F74FF75Ff76FF 1753 £8£4 FF 17·54 1755 E8ES 1756 £8£5 IB 1757 feE6 31323334353637 383930203DO&09 £8F4 7177657274797S \758 696F70SBSDODFF £902 61736466676864 6B6C3B'27 £900 bOFF5C 1759 EnD 7A7863766Z6E6D 2CZEZFFf2AFFZO -E.9lE FF 1760 1761 1762: £91F 1763 E91F 18 ]764 £920 214023242'55£ £92:6 262A28295F280800 EnE 5157455254-5955 1765 494F507B7DODFF E93C 4153444647484A 4B4C3A22 £947 7£FF 1766 £949 7CSA584356424E 4D3C3E3FFfO OF F2:0F F 1767 £959 1768 £q59 S4555657S8S9SA 1769 £960 515CSD 1710 1771 £963 177Z £963 68696A686C 1773 £968 -606-(6F7071 1774 1775 1776 E'96b 1777 E96b 3738392£)343536 171a 28311233302£ 08 CAPS_SHIfT .NJI'LSHIFT.SCROLL_SHIFT ,AL T_SHIFT .CTl_SHIFT DB LEFT_SHIFT ,RIGHT_SHIFT ;------ SCAN COOE TABLES K8 DB 27.-1.0,-1,-1,-1.10,-1 DB -1.-1.-1,31.-1 ,]2:7.-1, 17 DB 23.5.1-6.2:0.2:5.21,9.15 DB 16.27,2:9,10. -1,1,19 08 4,6,7.8.10.11,12:,-1,-1 08 -1. -1.2:8.2:6 .24.3.22:.Z 08 14.13.-1,-1,-1,-1,-1,-1 DB',-1 J-------- eTL TABLE SCAN K9 LABEL BYTE DB 94.95,96 ,97.98,99,100,101 08 102:,103.-1, -1.119,-10132:.-1 DB 115.-1.116,-1, ll7.-1.118.-.1 DB -1 i----..- LC TABLE KID LABEL BYTE DB o18H. '12:]4567890-=' ,08H,09H 08 'lIw~rtyuiopt J' ,DOH, -1. I asdtfh;klJ' ,Q21H D8 1------ UC TABLE KII LABEl BYTE DB -\ DB 60H.-l ,5CH. 'z·xcvbIlJ!\ •. /' .-1, '.' .-1,' • DB 'QWERTYUIOP •• OOH ,-1.'ASDFGHJKL:'" DB ;------ tIC TABLE SCAN K12 LABEL SYTE 07EH,-I,' zxcWNr1?',-l.O.-I,' '.-1 DB 84 ,85.a6 .87.88,e'9. 99 DB 91,92.93 ;------ ALT TA8LE SCAN K13 LABEL BHE ;------ HUM STATE TABLE K14 LABEl BYTE DB DB 1040105,106.107,108 DB 1-09,110,111.112:,113 '769-456.1230.' £97,\ £97A 474849F'F48f140 E981 FF4FSOSISZSl ~ E987 £987 F8 E988 50 E989 53 E98A 51 E988 52: E9ee 56 E980 ,57 E98E IE £98F 06 £990 Fe E991 884000 KB_INT PROC fAR STI PUSH AX PUSH BX PUSH ex PUSH OX PUSH SI PUSH OI PUSH OS PUSH eLO HOV ,5 AX,O-ATA J FORWARD DIRECTION A-25
LOC OBJ LINE SOURCE E994 8E08 1798 HOV DS,AX ; SET UP ADDRESSING E996 E460 1799 IN AL,KB_DATA j READ IN THE CHARACTER E998 50 1800 PUSH AX ; SAVE IT E999 E461 11301 m AL,KB_CTL j GET THE CONTROL PORT E998 8AEO 1802 MOV AH ,AL ; SAVE VALUE E990 DC8D 1803 OR AL,80H ; RESET BIT fOR KEYBOARD E99F E661 1804 OUT E9Al 66ED 1605 XCHG AH,AL j GET BACK ORIGINAL CONTROL E9A3 E661 1806 OUT KB_CTl,AL ; KB HAS BEEN RESET E9A5 58 1807 POP AX ; RECOVER SCAN CODE E9A6 8AEO 1808 HOV AH,Al ; SAVE SCAN CODE IN AH ALSO 1809 1810 ;------ TEST FOR OVERRUN SCAN CODE FROM KEYBOARD 1811 E9A8 3eFF 1812 CMP AL,OFFH ; IS THIS AN OVERRUN CHAR E9AA 7503 len JI~Z K16 ; NO, TEST fOR SHIfT 'KEY E9AC E97502: 1814 J~IP K62 I BUFFER_FULL_BEEP 1815 1816 ;------ TEST FOR SHIFT KEYS 1817 E9AF 1818 K16: I TEST_SHIFT E9AF 247F 1819 AHa AL,07FH ; TURN OFF THE BREAK BIT E9Bl DE 1820 PUSH OS E982 07 1821 POP ES I ESTABLISH ADDRESS OF SHIFT TABLE E9B3 BF8ZE8 1822 MOV DI,OFFSET K6 ; SHIFT KEY TABLE E9B6 890800 1823 MOV CX,K6L LENGTH E~9 F2 1824 PEPNE SCASB ; LOOK THROUGH THE TABLE FOR A MATCH E9SA AE E9B8 8A.C4 1825 HOY AL,AH j RECOVER SCAN COOE E9SD 7403 1826 JE K17 j JUMP IF MATCH FOUND E98F E9880D 1827 JtlP K2S ; IF NO MATCH, THEN SHIrT NOT FOUND 1828 1829 j------ SHIFT KEY FOUHD 1830 E9C2 81EF83E8 1831 K17: SUB DI,OFFSET K6.1 J ADJUST PTP TO SCAN CODE MTCH E9C6 2E8AA5BAfa 1832 MOV AH,CS:K7[DII I GET MASK INTO AH E9CD .1.680 1833 TEST AL,eOH ; TEST FOR BREAK KEY EQCD 7554 1834 JNZ K21 ; BREAK_SHIFT_FOUND 1835 1836 j------ SHIFT HAKE FOlR'ID, DETERMINE SET OR TOGGLE 1837 E9CF 80FCI0 1838 OHP AH ,SCROLL_SHIFT E902 7307 1839 JAE K18 IF SCROll SHIFT OR ABOVE, TOGGLE KEY 1840 1841 1------ PLAIN SHIFT KEY, SET SHIFT ON 1842 E9D4 08261700 1843 OR TURN ON SHIFT BIT E9D8 E98300 1844 JHP ; INTERRUPT_RETURN 1845 1646 1------ TOGGLED SHIFT KEY. TEST FOR 1ST MAKE OR NOT 1847 E9DB 1848 K18: ; SHIFT-TOGGLE E9DB F606170004 1849 TEST KBJLAG. CT,"-SHIFT ; CHECK CTL SHIFT STATE E9EO 7568 1850 JNZ K25 JUMP IF CTL STATE E9E2 3e52 1851 CMP Al, INS_KEY I CHECK FOR INSERT KEY E9E4 7525 1852 JHZ K22 1 JUMP IF NOT INSERT KEY E9E6 F60617DQ08 1653 TEST KBJLAG. ALT_SHIFT CHECK FOR ALTERNATE SHIFT E9E8 7403 1654 JZ K19 JUMP IF NOT ALTERNATE SHIFT E9ED E85890 1855 JHP K25 JUt1P IF ALTERNATE SHIFT E9FO F606170020 1856 K19: TEST KBJLAG, NUH_STATE ; CHECK FOR BASE STATE E9F5 750D 1857 JNZ KZl ; JUMP IF NUM LOCK IS ON E9F7 F606170003 1858 TEST E9Fe 7400 1859 JZ K22 ; JUMP IF BASE STATE 1660 E9FE 1861 K20: ; truMERIC ZERO. NOT INSERT KEY E9FE 883052 1862 "OV AX, 5230H ; PUT OUT AN ASCII ZERO EADI E90801 1863 JHP K57 ; BUFFER]ILL EA04 le64 ; MIGHT BE NUMERIC EA04 F606170003 1865 TEST KBJLAG, LEFT_SHIFT+ RIGHT_SHIFT EA09 74F3 1866 JZ K20 i JUMP NUHERIC, NOT INSERT 1867 EADs 1868 K22: ; SHIFT TOGGLE KEY HIT; PROCESS IT EADB 84261800 1869 ; IS KEY ALREADY DEPRESSED EAOF 7540 1870 JNZ K26 ; JUMP IF KEY ALREADY DEPRESSED EAll 08261800 1871 OR KBJLAG_l.AH INDICATE THAT THE KEY IS DEPRESSED EAtS 30261700 1872 XOR K8JLAG.AH TOGGLE THE SHIFT STATE EAi9 3C52 1873 Cf1P Al.INS_KEY TEST FOR 1ST MAKE OF INSERT KEY EAIB 7541 1874 JNE K26 JUMP IF NOT INSERT KEY A-26
Page 1:
April 2011 IMPORTANT 1. The motherb
Page 5 and 6:
FEDERAL COMMUNICATIONS COMMISSION R
Page 8 and 9:
CONTENTS SECTION 1. HARDWARE OVERV
Page 10 and 11:
Programming Considerations ........
Page 12 and 13:
INS 8250 Functional Pin Description
Page 14 and 15:
FIGURE LISTING 1. System Block Dia
Page 16 and 17:
SECTION I. HARDWARE OVERVIEW The
Page 18 and 19:
The 16KB Memory Expansion Kits allo
Page 20 and 21:
SECTION 2. HARDWARE ~ Contents: Sys
Page 22 and 23:
SYSTEM BOARD The System Board fits
Page 24 and 25:
The memory is dynamic 16K x 1 chips
Page 26 and 27:
System Board Data Flow Figure 2. S
Page 28 and 29:
1/0 Channel Diagram REAR PANEl SI
Page 30 and 31:
I/O CHRDY I I/O Channel Ready: This
Page 32 and 33:
System Board Component Diagram REA
Page 34 and 35:
Keyboard Interface B lock Diagram
Page 36 and 37:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Page 38 and 39:
Cassette User Interface The cassett
Page 40 and 41:
Cassette Interface Connector Specif
Page 42 and 43:
I/O Address Map HEX RANGE 9 8 7 6
Page 44 and 45:
System Memory Map X'OOOOO' 16 TO 6
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System Memory Map Cont. START ADDR
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5-1/4" Diskette Drives Switch Setti
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32/64KB Memory Expansion Option Sw
Page 52 and 53:
Power Supply The system DC power su
Page 54 and 55:
N I ~ VI ) § I • \. ~ o el so.
Page 56 and 57:
IBM Monochrome Display and Parallel
Page 58 and 59:
System Channel Interface Lines Used
Page 60 and 61:
Programming Considerations Programm
Page 62 and 63:
• CRT Status Port (I/O Address '3
Page 64 and 65:
Color/Graphics Monitor Adapter The
Page 66 and 67:
CPU .. r-- ) ) ) DISPLAY ADDRESS BU
Page 68 and 69:
Modes of Operation There are two ba
Page 70 and 71:
IBM Monochrome Display Adapter V s.
Page 72 and 73:
Color selection is determined by th
Page 74 and 75:
1"'"""""\ Table 5. I R G B Summary
Page 76 and 77:
Programming the Mode Control and St
Page 78 and 79:
Bit 5 When on, this bit will change
Page 80 and 81:
I/O Address and Bit Map Read/Write
Page 82 and 83:
Color/Graphics Monitor Adapter Auxi
Page 84 and 85:
Parallel Printer Adapter The Printe
Page 86 and 87:
Programming Considerations The Prin
Page 88 and 89:
Parallel Printer Adapter Interface
Page 90 and 91:
Table 7. Printer Specifications (1
Page 92 and 93:
Table 9. Functions and Conditions o
Page 94 and 95:
Table 10. Connector Pin Assignment
Page 96 and 97:
(4) Data transfer sequence Fig. 17
Page 98 and 99:
ASCII Control Codes Control Codes V
Page 100 and 101:
(8) DC 2 (Device Control 2) The DC
Page 102 and 103:
(b) 3) ESC 2 (Escape 2) Receipt of
Page 104 and 105:
ehaves like the LF code. Therefore,
Page 106 and 107:
[DATA] IESCGI ABCDEFGHI [PRINT] ABC
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5 1/4-Inch Diskette Drive Adapter T
Page 110 and 111:
~ Functional Description From a pro
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The FOe is capable of performing 15
Page 114 and 115:
Table 13. Symbol Descriptions (cont
Page 116 and 117:
Command Summary (continued) DATA B
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Command Summary (continued) DATA B
Page 120 and 121:
Table 15. Status Register I BIT NO.
Page 122 and 123:
Table 17. Status Register 3 BIT NO.
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~ ~ +AO-9 +AEN -lOW -lOR -DACK2 +T
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Adapter Inputs -Index -Write Protec
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5-1/4" Diskette Drive Adapter Exter
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(3) The write-protect sensor disabl
Page 132 and 133:
Memory Expansion Options Two Memory
Page 134 and 135:
Switch - Configurable Start Address
Page 136 and 137:
Game Control Adapter The Game Co
Page 138 and 139:
I/O Channel Description A9-AO: D7-D
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) ) ) 15 PIN MALE '0' SHELL c....t
Page 142 and 143:
Asynchronous Communications Adapter
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Modes of Operation The different mo
Page 146 and 147:
I TRANSMIT 'IACUIT I +5V ~ 4S-"l Tx
Page 148 and 149:
INS8250 Functional Pin Description
Page 150 and 151:
Data Set Ready (DSR), Pin 37: When
Page 152 and 153:
Input/Output Signals Data (D7-DO) B
Page 154 and 155:
Bit 3: This bit is the Parity Enabl
Page 156 and 157:
Table 23. BAUD RATE AT 1.843 Mhz De
Page 158 and 159:
Interrupt Identification Register T
Page 160 and 161:
Interrupt Enable Register This 8-bi
Page 162 and 163:
In the diagnostic mode, the receive
Page 164 and 165:
Transmitter Holding Register The T
Page 166 and 167:
Page 168 and 169: SECTION 3. ROM and SYSTEM r", USAGE
Page 170 and 171: MOV AH,l ;function is to set time o
Page 172 and 173: Vectors With Special Meanings Inter
Page 174 and 175: BIOS Memory Map STARTING ADDRESS H
Page 176 and 177: The timer is set mode 3 which means
Page 178 and 179: Keyboard Encoding and Usage Encodin
Page 180 and 181: Keys 71-83 have meaning only in bas
Page 182 and 183: ALT - Temporarily shifts keys 2-13,
Page 184 and 185: Keyboard Usage This section is inte
Page 186 and 187: Table 28. BASIC Screen Editor Speci
Page 188 and 189: Low Memory Maps (O-'0600'x) Table 3
Page 190 and 191: BASIC Workspace Variables If you do
Page 192: APPENDICES Contents: Appendix A: RO
Page 195 and 196: lOC OBJ LINE SOURCE STITlE( ROM BIO
Page 197 and 198: LOC OBJ LINE SOURCE 0068 ?! 155 De
Page 199 and 200: LOC OBJ LINE SOURCE E09E BBf5 EOAO
Page 201 and 202: lOC OBJ LINE SOURCE £179 E2FD 462
Page 203 and 204: LOC OBJ LINE SOURCE E278 7408 612 J
Page 205 and 206: lOC OBJ LINE SOURCE 755 ; ---------
Page 207 and 208: LOC OSJ LINE SOU RCE E42B 7440 900
Page 209 and 210: lOC OBJ LINE SOURCE ESIE 884000 E52
Page 211 and 212: LaC OBJ LINE SOURCE E613 803E120001
Page 213 and 214: LaC OSJ LINE SOURCE E6EC eSOAOE E6E
Page 215 and 216: LaC OBJ LINE SOURCE E7SF 1505 .402:
Page 217: LaC OBJ LINE SOURCE 1659 ASSUME CS:
Page 221 and 222: LOC 08J LINE SOURCE £"91 474849 EA
Page 223 and 224: LaC OBJ LINE SOURCE E890 E99700 E89
Page 225 and 226: LOC 08J LINE SOURCE 2255 ;-- INT 13
Page 227 and 228: LOC OS! LINE SOURCE 2407 ;------ DI
Page 229 and 230: lOC OBJ LINE SOURCE (Eol 7438 fE03
Page 231 and 232: LOC OBJ LINE SOURCE Ef'tD £67200 2
Page 233 and 234: LOC OBJ LINE SOURCE 2870 I ~- -----
Page 235 and 236: LOC (lBJ LINE SOURCE 3007 j --- INT
Page 237 and 238: laC OBJ LINE SOURCE 3157 (AH}=6 SCR
Page 239 and 240: lOC OBJ LINE SOURt.:E FOA43828ZDOAI
Page 241 and 242: lOC OBJ LINE SOURCE FtC7 3458 VIDEO
Page 243 and 244: LOC OBJ LINE SOURCE F260 750E f2:62
Page 245 and 246: LOC OBJ LINE SOURCE F32B 06 3760 PU
Page 247 and 248: LOC OBJ LINE SOURCE F3Cl 3910 NEAR
Page 249 and 250: laC OBJ LINE SOURCE 1'460 80HfE F46
Page 251 and 252: LOC OBJ LINE SOURCE F4FF BSFB 4213
Page 253 and 254: LOC OBJ LINE SOURCE 4359 j------ IM
Page 255 and 256: LOC OBJ LINE SOURCE F689 57 4511 PU
Page 257 and 258: lOC OBJ LINE SOLIRCE 4662 THE 0 COL
Page 259 and 260: LOC OBJ LINE SOURCE F7Cl 8AC4 F7e]
Page 261 and 262: LaC OBJ LINE SOURCE F840 4967 EQUIP
Page 263 and 264: LOC OBJ LINE SOURCE F8DA E304 5116
Page 265 and 266: LOC OBJ LINE SOURCE F97E EBF9 5268
Page 267 and 268: LOC OBJ LINE SOURCE H20 C3 5415 RET
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LOC OBJ LINE SOURCE fC46 0030300000
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LOC OBJ LINE SOURCE FEBS 833E6E0018
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lOC OBJ LINE SOURCE 5866 ;.*.-•
Page 275 and 276:
A-82 NOTES
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8088 REGISTER MODEL AX: AH Al ACCUM
Page 279 and 280:
MEMORY SEGMENTATION MODEL LOGICAL
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XCHG =Exchange RegisterImemory with
Page 283 and 284:
SBB = Subtract with borrow Reg./mem
Page 285 and 286:
AND = And Reg./memory and register
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Indirect within segment 11111111 mo
Page 289 and 290:
8088 CONDITIONAL TRANSFER OPERATION
Page 291 and 292:
BOBBINSTRUCTION SET MATRIX LO HI 0
Page 293 and 294:
INSTRUCTION SET INDEX Mnemonic Pag
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VALUE AS CHARACTERS AS TEXT ATTRIBU
Page 297 and 298:
Page 299 and 300:
Page 301 and 302:
Page 303 and 304:
Page 305 and 306:
Character Set (OO-7F) Quick Referen
Page 307 and 308:
C-14 NOTES
Page 309 and 310:
SYSTEM BOARD (PROCESSOR AND SUPPORT
Page 311 and 312:
SYSTEM BOARD (DEVICE DECODES) I~ i
Page 313 and 314:
SYSTEM BOARD (ROS AND BUS DRIVER) ~
Page 315 and 316:
Ṉ-0 SYSTEM BOARD (DYNAMIC MEMORY
Page 317 and 318:
SYSTEM BOARD (KEYBOARD/SENSE/CONTRO
Page 319 and 320:
\:j I " m < -tv CI:I Q » :11:1 Q P
Page 321 and 322:
I- z ..... 0 t:::I 0 ... ;:; ~ r
Page 323 and 324:
tl I-0'1 ," r-" "~ (S"T" 'RESET I E
Page 325 and 326:
~ ~ ~ ~ ~~ IBM MONOCHROME DISPLAY A
Page 327 and 328:
tj III ~ N 14L.517') ~ 0 __________
Page 329 and 330:
~ N s: N CI CO J ~ CI 2 A Y 18 n DA
Page 331 and 332:
IBM MONOCHROME OISPLAY DANGER HAZAR
Page 333 and 334:
COLOR/GRAPHICS MONITOR ADAPTER ~
Page 335 and 336:
1'. -- COLOR/GRAPHICS MONITOR ADAPT
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1 COLOR/GRAPHICS MONITOR ADAPTER :;
Page 341 and 342:
PARALLEL PRINTER ADAPTER D-34
Page 343 and 344:
t:l +AEN AND U'I GATE , ., + ENABL
Page 345 and 346:
t:! W CI CHARGE PUMP 00 AOI en U ~I
Page 347 and 348:
5%" DISKETTE DRIVE .., CI -N ... ';
Page 349 and 350:
t:j ~ N o W z N ;:1'1: ~ aZKO: ." R
Page 351 and 352:
32KB MEMORY EXPANSION d-w- I NNO) 3
Page 353 and 354:
64 ~~ MEMORY EXPANSION ~~ D-46
Page 355 and 356:
BO~ t::l azq +';V[)( +'>vOC 'f c+o;
Page 357 and 358:
D-50 NOTES
Page 359 and 360:
IBM Monochrome Display Size: Length
Page 361 and 362:
12. Binary: (1) Pertaining to a sel
Page 363 and 364:
40. Hertz (Hz.): A unit offrequency
Page 365 and 366:
70. OR: A logic operator having the
Page 367 and 368:
G-8 NOTES
Page 369 and 370:
Other Related Publications 7. NATIO
Page 371 and 372:
Page 373 and 374:
Character Codes 3-11 Generator 2-
Page 375 and 376:
DIN (Connectors) 2-5 DIP (Dual In-L
Page 377 and 378:
Game Control Adapter (continued) C
Page 379 and 380:
I/O (Input/Output) Address Map 2-33
Page 381 and 382:
Microsecond 2-3 Mnemonic B-18 Mod
Page 383 and 384:
Parameters, 6845 Initialization 2-4
Page 385 and 386:
Read/Write Memory (continued) Grap
Page 387 and 388:
s Scan Codes 2-17 Screen 2-43 Sche
Page 389 and 390:
u Unit Specifications Appendix E
Page 391 and 392:
1-22 NOTES
Page 393:
III"I UNITED NO POSTAGE NECESSARY
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IBM 5150 PC Technical Reference (6025005, August, 1981) (PDF)

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