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

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LOC OBJ LINE SOURCE EC87 BA.fO EC89 60l63F007F EceE 0"E4 £C90 7427 £C92 FEte EC94 7474 EC96 C606410000 ~ EC9B eOFA04 EC9E 7313 ECAO FEte feA,l 746A. ECA4 FEte ECA6 7503 2:5'32 HOV OH,Al '; SAVE. SECTot;!S IN DH 2333 AND ;. INDICATE A READ OPERATION 2334 OR AH,AH • AH=O ,335 JZ DISK_RESET U16 DEC AH ; AH=l 2337 JZ DISK_STATUS 2:336 HOV ; RESET THE STATUS INDICATOR 2339 CMP Dl.4 I TEST FOR DRIVE IN 0-3 RANGE 2340 JAE J3 ; ERROR IF ABOVE 2341 DEC AH i AH=2: 2342 JZ nISK_READ 2343 DEC AH ; AH=3 2344 JHZ J' ; TEST_DISK_VERF ECAB £99600 ECAB 2:345 JMP 2346 J2 : eCAB FEte feAD 7468 fCAF FEte feel 7468 Eee3 ECB3 C6064100111 ECBS C3 EC59 ECB9 BAFZ03 fCBC FA EeeD A03FOO feeD BI04 eeel OZEO Ece4 A82:0 £CC6 750C fees A,840 ECCA 7506 Ecce A860 ECCE 7406 EeDO FEtO ECD2 FEtD ECD4 FE.tD fCD6 oe08 ECOB EE ECD9 C6063£0000 ECDE C606410000 feEl OC04 fees EE fCEb FB ftE7 £8280Z EeEA A04200 fCED 3etO EceF 7407 fCFI 600£410020 ECF6 EBII ECFa ECFe 8403 fCFA £84701 fCFO 880100 EDOO E86DOl E003 880300 fD06 £86701 £009 £P09 C1 fDOA EDOA A04100 , EDOO C3 2347 DEC 2348 JZ 2349 DEC AH ; AH=S 2350 JZ DISKJORf1AT 2:351 J3: 2352 NOV DISKETTE_STATUS.BAD_CND i ERROR CODE. NO SECTORS TRANSFERRED 2353 RET ; UNDEFINED OPERATION 2354 Jl ENDP 2355 2356 ;------ RESET THE DISKETTE SYSTEM 2357 2358 PROC HEAR 2359 MOV DX.03FZH ; ADAPTER CONTROL PORT 2360 CLl '; NO INTERRUPTS 2361 MOV AL,MOTOR_STATUS I WHICH MOTOR IS ON 236Z HOV CL.4 ; SHIFT CCU~T 2363 SAL AL.CL ; MOVE MOTOR VALUE TO HIGH HYBBLE 2364 TEST Al, tOH I SElECT CORRESPOHOIHG DRIVE 2365 JNZ J5 I JUMP IF MOTOR ONE IS Ot~ 2366 TEST AL. 40H 2367 JHZ J4 1 JUMP IF HOTOR TWO IS ON 2:368 TEST AL. SOH 2:369 JZ J6 ; JUMP IF MOTOR ZERO IS ON 2370 IHC Al 2371 J4: ItIC Al 2372 J5: IIle Al 2373 J6: OR AL,S j TURN ON INTERRUPT EHABlE 2374 OUT OX,AL ; RESET TH~ AnAPTER 2375 MOV SEEK_STATUS, 0 ; SET RECAl REQUIRED ON ALL DRIVES 2376 MOV DISKETTE_STATU5.0 j SET OK STATUS FOR DISKETTE 2.377 OR Al.4 ; TURN OFF RESET 2378 OUT DX.Al , TURN OFF THE RESET 2379 STI ; RHNABlE THE INTERRUPTS 2380 CALL CHK_STAT3 ; DO SENSE INTERRUPT STATUS FOLLOWING RESET USI MOV AL.NEC_STATUS IGNORE ERROR RETURN AND 00 OWN TEST uat CNP AL,OCOH I TEST FOR DRIVE READY TRANSITION U83 JZ J7 ; EVERYTHING OK 2384 OR OISKETTE_STATUS.BAO_NEC ; SET ERROf;! CODE 2385 JMP ".. SHORT J8 ; RESET_RET 2387 ;------ SEND SPECIFY CotR1ANO TO HEC 2388 2389 J7: ; DRIVE_READY 2390 MOY AH,03H ; SPECIFY COMMAND 2391 CALL NEC_OUTPUT ; OUTPUT TH E COMMAND 2:392 MaV ex.l ; FIRST BYTE PARM IN BLOCK 2393 CALL GET_PARM ; TO THE NEe COtHROLLER 2394 MOV I SECOND BYTE PARtl IN BLOCK 2395 CALL ; TO THE NEC COIHROLLER 2396 1 RESET_RET J8: 2397 RET ; RETURN TO CALLER 2398 ENDP 2399 2400 ;------ DISKETTE STATUS ROUTINE 2401 2402 PROC NEAR 2403 NOV AL. DISKETTE_STATUS 2404 2405 ENDP 2406 A-33
LOC OS! LINE SOURCE 2407 ;------ DISKETTE READ 2408 EOOE 2409 PROC NEAR EDOE 8046 2410 Al,046H ; READ COMNAHO fOR DNA E010 2411 J9: t DISK_READ_CONT EOIO ESMOl 2412 CALL DHA.SETUP • SET UP THE DNA EOll 8466 ~413 HOV AH,066H SET UP READ COMMAND FOR NEe CONTROLLER E015 EB16 2414 JMP SHORT RW.OPN ; GO 00 THE OPERATION :415 ENDP 2416 2411 ; ----- DISKETTE VERIFY 2418 E017 2419 DISK_VEPF PROC NEAR E017 8042 2420 ~10V Al.0421" ; VER I F Y COMMAND FOR OMA E019 ESF5 2421 JMP J9 ; DO AS IF DISK READ 2422 DISK_VERF EtfDP 2423 ;------ DISKETTE FORNAT 2425 EDIB 2426 DISK]ORHAT PROC NEAR EOIB 800E3FOOSO 2421 OR HOTOR_STATUS.80H ; IHDICATE WRITE OPERATION EOZD B04A 2428 NOV AL,04AH 1 WILL WRITE TO THE DISKETTE £022 £8A701 2429 CALL OHA_SETUP j SET UP THE DNA E025 8440 2430 May AH,04DH ; ESTABLISH THE FORMAT COMMAHD EDZl EB24 2431 JMP SHORT RW_OPN ; DO THE OPERATION E029 2432 JIO: ; CONTINUATION OF RW_OPN FOR FMT E029 880700 2433 HOV BX,7 ; GET THE Eoze E84101 2434 CALL GET.PARM ; BYTES/SECTOR VALUE TO NEe EDlF 680900 2435 MOV BX,9 ; GET HIE EDll E83BOI 2436 CALL GET.PARM j SECTORS/TRACK VALUE TO NEC E035 BBOFOO 2437 HOV BX,15 ; GET THE E038 E83501 2438 CAll GET_PARM j GAP LENGTH VALUE TO NEC E03B B81100 2439 MOV BX,17 j GET THE FILLER BYTE EDlE E9ABOD 2440 JMP JI6 ; TO THE CONTROLLER 2441 DISK]ORMAT ENDP 2442 2443 ;------ DISKETTE WRITE ROUTINE 2444 E041 2445 PROC NEAR E041 800E3FOD80 2446 OR MO rOR_STATUS ,80H ; IHDICATE WRITE OPERATION E046 8044 2447 MOV AL.04AH j DNA lomITE COMMAND f048 E88101 2448 CAL l DHA_SETUP E04S 8445 2449 MOV AH ,045H ; NEC COHHAt.lD TO WRITE TO DISKETTE 2450 ENOP 2451 ;----- ALLOW WRITE ROUTINE TO FALL INTO RW_OPN 2452 i ------------------------------------ 2453 ; RW.OPN 2454 THIS ROUTINE PERFORMS THE READ/WRITE/VERIFY OPERATION 2455 ; .-------- ----- - - ------------------- E040 2456 £040 7308 2457 JNe JII TEST FOR DMA ERROR E04f C606410009 2458 May DISKETTE_STATUS,DMA_BOUNDARY i SET ERROR ED 54 BODO 2459 MOV Al.O ; NO SECTORS TRANSFERRED EDS6 C] 2460 RET ; RETURN TO HAIN ROUTINE E057 2461 Jll: I DO_RW_OPN ED57 50 2462 PUSH AX ; SAVE THE COMMAND 2463 2464 ; ----- TURN ON THE MOTOR AND SelECT THE DRIVE 2465 EO 58 51 2466 PUSH ex I SAVE THE T/S PARNS EDS9 SACA 2467 May Cl.Ol j GET DRIVE NUMBER AS SHIfT COUNT ED58 B001 2468 May Al,} I MASK FOR DETERMINING MOTOR BIT Ease 02EO 2469 SAL Al.Cl ; SHIFT THE MASK BIT EOSF FA 2470 eLI ; NO ItHERRUPTS WHILE DETERMINING MOTOR STATUS E060 C6064000FF 2471 May MOTOR_COUNT,OFFH ; SET LARGE COUNT DURUIG OPERATION E065 84063FOQ 2472 TEST AL,110TOR_STATUS ; TEST THAT MOTOR FOR OPERATING E069 7531 2473 J~IZ J14 ; IF RUNHING, SKIP THE WAIT EDbB e0263FOOfO 2474 AND I1OTOR_STATUS.OFOH ; TURN DFF ALL MOTOR BITS £070 08063FOO 2475 OR MOTOR_STATUS,AL j TURN ON THE CURRENT MOTOR £074 FB 2476 STI ; INTf.RRUPTS BACK ON E075 BOlO 2:477 MOV AL,IOH ; ~1ASK BIT Eon 02EO 2478 SAL Al,CL ; DEVelOP BIT MASK FOR MOTOR EHABLE £079 04C2 2479 OR AL.Ol ; GET (JRIVE SELECT BITS IN E078 oeoe 2480 OR AL,OCH ; NO RESET, EIIABLE DNA/INT f07D 52 2481 PU5H ox ; SAVE REG E07E SAFl03 248~ MOV DX.03F2H ; CO~HROL PORT ADDRESS E081 EE 2483 OUT DX,Al A-34
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
Page 48 and 49:
5-1/4" Diskette Drives Switch Setti
Page 50 and 51:
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
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ASCII Control Codes Control Codes V
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(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
Page 108 and 109:
5 1/4-Inch Diskette Drive Adapter T
Page 110 and 111:
~ Functional Description From a pro
Page 112 and 113:
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
Page 118 and 119:
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
Page 126 and 127:
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
Page 140 and 141:
) ) ) 15 PIN MALE '0' SHELL c....t
Page 142 and 143:
Asynchronous Communications Adapter
Page 144 and 145:
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
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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
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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 and 218: LaC OBJ LINE SOURCE 1659 ASSUME CS:
Page 219 and 220: LOC OBJ LINE SOURCE E994 8E08 1798
Page 221 and 222: LOC 08J LINE SOURCE £"91 474849 EA
Page 223 and 224: LaC OBJ LINE SOURCE E890 E99700 E89
Page 225: LOC 08J LINE SOURCE 2255 ;-- INT 13
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
Page 269 and 270: LOC OBJ LINE SOURCE fC46 0030300000
Page 271 and 272: LOC OBJ LINE SOURCE FEBS 833E6E0018
Page 273 and 274: lOC OBJ LINE SOURCE 5866 ;.*.-•
Page 275 and 276: A-82 NOTES
Page 277 and 278:
8088 REGISTER MODEL AX: AH Al ACCUM
Page 279 and 280:
MEMORY SEGMENTATION MODEL LOGICAL
Page 281 and 282:
XCHG =Exchange RegisterImemory with
Page 283 and 284:
SBB = Subtract with borrow Reg./mem
Page 285 and 286:
AND = And Reg./memory and register
Page 287 and 288:
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
Page 295 and 296:
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
Page 337:
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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