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Diffstat (limited to 'v4.0/src/INC/POSTEQU.INC')
| -rw-r--r-- | v4.0/src/INC/POSTEQU.INC | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/v4.0/src/INC/POSTEQU.INC b/v4.0/src/INC/POSTEQU.INC new file mode 100644 index 0000000..b01ed5e --- /dev/null +++ b/v4.0/src/INC/POSTEQU.INC | |||
| @@ -0,0 +1,262 @@ | |||
| 1 | ; Revised FOR KBX (ADD EQUATES FOR KB_FLAG_3) AEV 8-17-84 | ||
| 2 | ;---------------------------------------------------------------------------- | ||
| 3 | ; EQUATES : | ||
| 4 | ;---------------------------------------------------------------------------- | ||
| 5 | TTEST EQU 0 ; CONDITIONAL ASM (TEST2.SRC) | ||
| 6 | KY_LOCK EQU 0 ; CONDITIONAL ASM (TEST2.SRC) | ||
| 7 | KEY_NUMS EQU 0 ; CONDITIONAL ASM (KYBD.SRC) | ||
| 8 | ;---------------------------------------------------------------------------- | ||
| 9 | X287 EQU 0F0H ; MATH PROCESSOR | ||
| 10 | ;---------------------------------------------------------------------------- | ||
| 11 | LOOP_POST EQU 020H ; MFG LOOP POST JUMPER | ||
| 12 | ;---------------------------------------------------------------------------- | ||
| 13 | REFRESH_BIT EQU 010H ; REFRESH TEST BIT | ||
| 14 | ;---------------------------------------------------------------------------- | ||
| 15 | POST_SS EQU 0H ; POST STACK SEGMENT | ||
| 16 | POST_SP EQU 8000H ; POST STACK POINTER | ||
| 17 | TEMP_STACK_LO EQU 0FFFFH ; | ||
| 18 | TEMP_STACK_HI EQU 0 ; SET PROTECTED MODE TEMP_SS | ||
| 19 | ; 0:FFFFH | ||
| 20 | ;---------------------------------------------------------------------------- | ||
| 21 | PORT_A EQU 60H ; 8042 KEYBOARD SCAN/DIAG OUTPUTS | ||
| 22 | PORT_B EQU 61H ; 8042 READ WRITE REGISTER | ||
| 23 | PARITY_ERR EQU 0C0H ; RAM/IO CHANNEL PARITY ERROR | ||
| 24 | RAM_PAR_ON EQU 11110011B ; AND THIS VALUE | ||
| 25 | RAM_PAR_OFF EQU 00001100B ; OR THIS VALUE | ||
| 26 | IO_CHK EQU 01000000B ; IO CHECK? | ||
| 27 | PRTY_CHK EQU 10000000B ; PARITY CHECK? | ||
| 28 | |||
| 29 | STATUS_PORT EQU 64H ;8042 STATUS PORT | ||
| 30 | OUT_BUF_FULL EQU 01H ; 0 = +OUTPUT BUFFER FULL | ||
| 31 | INPT_BUF_FULL EQU 02H ; 1 = +INPUT BUFFER FULL | ||
| 32 | SYS_FLAG EQU 04H ; 2 = -SYSTEM FLAG -POR/-SELF TEST | ||
| 33 | CMD_DATA EQU 08H ; 3 = -COMMAND/+DATA | ||
| 34 | KYBD_INH EQU 10H ; 4 = +KEYBOARD INHIBITED | ||
| 35 | TRANS_TMOUT EQU 20H ; 5 = +TRANSMIT TIMEOUT | ||
| 36 | RCV_TMOUT EQU 40H ; 6 = +RECEIVE TIME OUT | ||
| 37 | PARITY_EVEN EQU 80H ; 7 = +PARITY IS EVEN | ||
| 38 | SHUT_CMD EQU 0FEH ; CAUSE A SHUTDOWN COMMAND | ||
| 39 | INTR_FACE_CK EQU 0ABH ; CHECK 8042 INTERFACE CMD | ||
| 40 | KYBD_CLK_DATA EQU 0E0H ; GET KYBD CLOCK AND DATA CMD | ||
| 41 | KYBD_CLK EQU 001H ; KEYBOARD CLOCK BIT 0 | ||
| 42 | ;----------MANUFACTURING PORT------------------------------------------------ | ||
| 43 | MFG_PORT EQU 80H ; MANUFACTURING CHECKPOINT PORT | ||
| 44 | ;----------MANUFACTURING BIT DEFINITION FOR MFG_ERR_FLAG+1------------------- | ||
| 45 | MEM_FAIL EQU 00000001B ; STORAGE TEST FAILED (ERROR 20X) | ||
| 46 | PRO_FAIL EQU 00000010B ; VIRTUAL MODE TEST FAILED (ERROR 104) | ||
| 47 | LMCS_FAIL EQU 00000100B ; LOW MEG CHIP SELECT FAILED (ERROR 109) | ||
| 48 | KYCLK_FAIL EQU 00001000B ; KEYBOARD CLOCK TEST FAILED (ERROR 304) | ||
| 49 | KY_SYS_FAIL EQU 00010000B ; KEYBOARD OR SYSTEM FAILED (ERROR 303) | ||
| 50 | KYBD_FAIL EQU 00100000B ; KEYBOARD FAILED (ERROR 301) | ||
| 51 | DSK_FAIL EQU 01000000B ; DISKETTE TEST FAILED (ERROR 601) | ||
| 52 | KEY_FAIL EQU 10000000B ; KEYBOARD LOCKED (ERROR 302) | ||
| 53 | ;----------8042 INPUT PORT BIT DEFINITION------------------------------------ | ||
| 54 | BASE_RAM EQU 10H ;BASE R/W MEMORY | ||
| 55 | MFG_JMP EQU 20H ;LOOP POST JUMPER | ||
| 56 | DSP_JMP EQU 40H ;DISPLAY TYPE JUMPER | ||
| 57 | KEY_BD_INHIB EQU 80H ;KEYBOARD INHIBIT SWITCH | ||
| 58 | ;----------8042 RAM DEFINITION----------------------------------------------- | ||
| 59 | INH_KEYBOARD EQU 10H ;BYTE 0 BIT 4 OF 8042 RAM | ||
| 60 | ;-------------- COMMANDS ---------------------------------------------------- | ||
| 61 | READ_8042_RAM EQU 20H ; BITS 0-4 = ADDRESS (20-3F) | ||
| 62 | WRITE_8042_RAM EQU 60H ; | ||
| 63 | SELF_8042_TEST EQU 0AAH ; 8042 SELF TEST | ||
| 64 | READ_8042_INPUT EQU 0C0H ; READ 8042 INPUT PORT | ||
| 65 | ENA_KBD EQU 0AEH ; ENABLE KEYBOARD COMMAND | ||
| 66 | DIS_KBD EQU 0ADH ; DISABLE KEYBOARD COMMAND | ||
| 67 | ENABLE_BIT20 EQU 0DFH ; ENABLE ADDR LINE BIT 20 | ||
| 68 | DISABLE_BIT20 EQU 0DDH ; DISABLE ADDR LINE BIT 20 | ||
| 69 | ;-------------- KEYBOARD/LED COMMANDS -------------------------------------- | ||
| 70 | KB_MENU EQU 0F1H ; SELECT MENU COMMAND | ||
| 71 | KB_TYPA_RD EQU 0F3H ; SET TYPAMATIC RATE/DELAY RWV 10-07-85 | ||
| 72 | KB_ENABLE EQU 0F4H ; KEYBOARD ENABLE | ||
| 73 | KB_MAKE_BREAK EQU 0F7H ; TYPAMATIC | ||
| 74 | KB_ECHO EQU 0FEH ; ECHO COMMAND | ||
| 75 | KB_RESET EQU 0FFH ; SELF DIAGNOSTIC COMMAND | ||
| 76 | LED_CMD EQU 0EDH ; LED WRITE COMMAND | ||
| 77 | ;--------------- KEYBOARD RESPONSE ----------------------------------------- | ||
| 78 | KB_OK EQU 0AAH ; RESPONSE FROM SELF DIAG | ||
| 79 | KB_ACK EQU 0FAH ; ACKNOWLEDGE FROM TRANSMISSION | ||
| 80 | KB_OVER_RUN EQU 0FFH ; OVER RUN | ||
| 81 | KB_RESEND EQU 0FEH ; RESEND REQUEST | ||
| 82 | KB_BREAK EQU 0F0H ; KEYBOARD BREAK CODE | ||
| 83 | ;-------------- CMOS EQUATES ------------------------------------------------- | ||
| 84 | CMOS_PORT EQU 070H ; IO ADDRESS OF CMOS PORT | ||
| 85 | CLK_UP EQU 08AH ; CLOCK UPDATE STATUS | ||
| 86 | CMOS_ALARM EQU 08BH ; | ||
| 87 | CMOS_BEGIN EQU 090H ; | ||
| 88 | CMOS_END EQU 0ADH ; | ||
| 89 | SHUT_DOWN EQU 08FH ; SHUTDOWN OFFSET | ||
| 90 | BATTERY_COND_STATUS EQU 08DH ; BATTERY STATUS | ||
| 91 | M_SIZE_HI EQU 0B1H ; IO MEMORY SIZE HIGH BYTE (POST) | ||
| 92 | M_SIZE_LO EQU 0B0H ; IO MEMORY SIZE LO BYTE (POST) | ||
| 93 | M1_SIZE_HI EQU 096H ; 0->640K CONFIG MEMORY SIZE (SETUP) | ||
| 94 | M1_SIZE_LO EQU 095H ; LOW BYTE (SETUP) | ||
| 95 | M2_SIZE_HI EQU 098H ; 640K->UP CONFIG MEMORY SIZE (SETUP) | ||
| 96 | M2_SIZE_LO EQU 097H ; LOW BYTE (SETUP) | ||
| 97 | C_EQUIP EQU 094H ; CMOS EQUIPMENT FLAG | ||
| 98 | HD_FILE_TYPE EQU 092H ; HARD FILE TYPE BYTE | ||
| 99 | PAGE | ||
| 100 | ;--------------- CMOS DIAG_STATUS ERROR FLAGS-------------------------------- | ||
| 101 | DIAG_STATUS EQU 08EH ; CMOS ADDRESS OF DIAG_STATUS | ||
| 102 | BAD_BAT EQU 080H ; DEAD BATTERY | ||
| 103 | BAD_CKSUM EQU 040H ; CHECKSUM ERROR | ||
| 104 | BAD_CONFIG EQU 020H ; MINIMUM CONFIG USED INSTEAD OF CMOS | ||
| 105 | W_MEM_SIZE EQU 010H ; MEMORY SIZE NOT EQUAL TO CONFIG | ||
| 106 | HF_FAIL EQU 008H ; HARD FILE FAILURE ON INIT | ||
| 107 | CMOS_CLK_FAIL EQU 004H ; CMOS CLK NOT UPDATING OR NOT VALID | ||
| 108 | ;--------------- CMOS INFORMATION FLAGS-------------------------------------- | ||
| 109 | INFO_STATUS EQU 0B3H ; CMOS ADDRESS OF INFO BYTE | ||
| 110 | M640K EQU 080H ; 512K -> 640K CARD INSTALLED | ||
| 111 | NEW_INST EQU 040H ; FLAG USED BY CMOS SETUP UTILITY | ||
| 112 | HF_BOOT EQU 020H ; BOOT HARD FILE FLAG | ||
| 113 | ;--------------- INTERRUPT EQUATES ------------------------------------------ | ||
| 114 | INTA00 EQU 20H ; 8259 PORT | ||
| 115 | INTA01 EQU 21H ; 8259 PORT | ||
| 116 | EOI EQU 20H | ||
| 117 | INTB00 EQU 0A0H ; 2ND 8259 | ||
| 118 | INTB01 EQU 0A1H ; | ||
| 119 | INT_TYPE EQU 070H ; START OF 8259 INTERRUPT TABLE LOCATION | ||
| 120 | INT_VIDEO EQU 010H ; VIDEO VECTOR | ||
| 121 | ;--------------------------------------------------------------------------- | ||
| 122 | TIMER EQU 40H | ||
| 123 | TIM_CTL EQU 43H ; 8253 TIMER CONTROL PORT ADDR | ||
| 124 | TIMER0 EQU 40H ; 8253 TIMER/CNTER 0 PORT ADDR | ||
| 125 | TMINT EQU 01 ; TIMER 0 INTR RECVD MASK | ||
| 126 | ;-------------------------------------------------------------------------- | ||
| 127 | DMA08 EQU 08 ; DMA STATUS REG PORT ADDR | ||
| 128 | DMA EQU 00 ; DMA CH.0 ADDR. REG PORT ADDR | ||
| 129 | ;-------------------------------------------------------------------------- | ||
| 130 | DMA18 EQU 0D0H ; 2ND DMA STATUS PORT ADDR | ||
| 131 | DMA1 EQU 0C0H ; 2ND DMA CH.0 ADDR. REG PORT ADDR | ||
| 132 | ;-------------------------------------------------------------------------- | ||
| 133 | DMA_PAGE EQU 81H ; START OF DMA PAGE REGISTERS | ||
| 134 | LAST_DMA_PAGE EQU 8FH ; LAST DMA PAGE REGISTER | ||
| 135 | ;-------------------------------------------------------------------------- | ||
| 136 | MAX_PERIOD EQU 540H | ||
| 137 | MIN_PERIOD EQU 410H | ||
| 138 | KBD_IN EQU 60H ; KEYBOARD DATA IN ADDR PORT | ||
| 139 | KBDINT EQU 02 ; KEYBOARD INTR MASK | ||
| 140 | KB_DATA EQU 60H ; KEYBOARD SCAN CODE PORT | ||
| 141 | KB_CTL EQU 61H ; CONTROL BITS FOR KEYBOARD SENSE DATA | ||
| 142 | KB_ERR EQU 80H ; KEYBOARD TRANSMIT ERROR FLAG | ||
| 143 | ;----- SHIFT FLAG EQUATES WITHIN KB_FLAG | ||
| 144 | INS_STATE EQU 80H ; INSERT STATE IS ACTIVE | ||
| 145 | CAPS_STATE EQU 40H ; CAPS LOCK STATE HAS BEEN TOGGLED | ||
| 146 | NUM_STATE EQU 20H ; NUM LOCK STATE HAS BEEN TOGGLED | ||
| 147 | SCROLL_STATE EQU 10H ; SCROLL LOCK STATE HAS BEEN TOGGLED | ||
| 148 | ALT_SHIFT EQU 08H ; ALTERNATE SHIFT KEY DEPRESSED | ||
| 149 | CTL_SHIFT EQU 04H ; CONTROL SHIFT KEY DEPRESSED | ||
| 150 | LEFT_SHIFT EQU 02H ; LEFT SHIFT KEY DEPRESSED | ||
| 151 | RIGHT_SHIFT EQU 01H ; RIGHT SHIFT KEY DEPRESSED | ||
| 152 | ;----- SHIFT FLAG EQUATES WITHIN KB_FLAG_1 | ||
| 153 | INS_SHIFT EQU 80H ; INSERT KEY IS DEPRESSED | ||
| 154 | CAPS_SHIFT EQU 40H ; CAPS LOCK KEY IS DEPRESSED | ||
| 155 | NUM_SHIFT EQU 20H ; NUM LOCK KEY IS DEPRESSED | ||
| 156 | SCROLL_SHIFT EQU 10H ; SCROLL LOCK KEY IS DEPRESSED | ||
| 157 | HOLD_STATE EQU 08H ; SUSPEND KEY HAS BEEN TOGGLED | ||
| 158 | SYS_SHIFT EQU 04H ; SYSTEM KEY DEPRESSED AND HELD | ||
| 159 | L_ALT_SHIFT EQU 02H ; LEFT ALT KEY DOWN RWV 8-28-85 | ||
| 160 | L_CTL_SHIFT EQU 01H ; LEFT CTL KEY DOWN RWV 8-28-85 | ||
| 161 | ;---------------FLAGS WITHIN KB_FLAG_2 | ||
| 162 | KB_ERR EQU 80H ; KEYBOARD TRANSMIT ERROR FLAG | ||
| 163 | KB_PR_LED EQU 40H ; MODE INDICATOR UPDATE | ||
| 164 | KB_FE EQU 20H ; RESEND RECEIVED FLAG | ||
| 165 | KB_FA EQU 10H ; ACK RECEIVED | ||
| 166 | CIRCUS_SYSTEM EQU 08H ; CIRCUS SYSTEM INDICATOR | ||
| 167 | KB_LEDS EQU 07H ; KEYBOARD LED STATE BITS | ||
| 168 | ; 04H ; CAPS LOCK INDICATOR | ||
| 169 | ; 02H ; NUM LOCK INDICATOR | ||
| 170 | ; 01H ; SCROLL LOCK INDICATOR | ||
| 171 | ;---------------FLAGS WITHIN KB_FLAG_3 | ||
| 172 | RD_ID EQU 80H ; DOING A READ ID (MUST BE BIT0) AEV | ||
| 173 | LC_AB EQU 40H ; LAST CHAR WAS FIRST ID CHAR AEV | ||
| 174 | SET_NUM_LK EQU 20H ; FORCE NUM LOCK IF RD ID & KBX AEV | ||
| 175 | KBX EQU 10H ; ENHANCED KEYBOARD INSTALLED RWV 7-18-85 | ||
| 176 | R_ALT_SHIFT EQU 08H ; RIGHT ALT KEY DOWN RWV 7-18-85 | ||
| 177 | GRAPH_ON EQU 08H ; ALT GRAPHICS KEY DOWN (WT ONLY) AEV | ||
| 178 | R_CTL_SHIFT EQU 04H ; RIGHT CTL KEY DOWN RWV 7-18-85 | ||
| 179 | LC_E0 EQU 02H ; LAST CODE WAS THE E0 HIDDEN CODE RWV 7-18-85 | ||
| 180 | LC_E1 EQU 01H ; LAST CODE WAS THE E1 HIDDEN CODE RWV 7-18-85 | ||
| 181 | ;----- SCAN CODE EQUATES FOR THE KEYBOARD | ||
| 182 | NUM_KEY EQU 69 ; SCAN CODE FOR NUMBER LOCK | ||
| 183 | SCROLL_KEY EQU 70 ; SCAN CODE FOR SCROLL LOCK | ||
| 184 | ALT_KEY EQU 56 ; SCAN CODE FOR ALTERNATE KEY | ||
| 185 | CTL_KEY EQU 29 ; SCAN CODE FOR CONTROL KEY | ||
| 186 | CAPS_KEY EQU 58 ; SCAN CODE FOR SHIFT LOCK | ||
| 187 | LEFT_KEY EQU 42 ; SCAN CODE FOR LEFT SHIFT | ||
| 188 | RIGHT_KEY EQU 54 ; SCAN CODE FOR RIGHT SHIFT | ||
| 189 | INS_KEY EQU 82 ; SCAN CODE FOR INSERT KEY | ||
| 190 | DEL_KEY EQU 83 ; SCAN CODE FOR DELETE KEY | ||
| 191 | SYS_KEY EQU 84 ; SCAN CODE FOR SYSTEM KEY | ||
| 192 | ;-------------- ENHANCED KEYBOARD EQUATES | ||
| 193 | ID_1 EQU 0ABH ; 1ST ID CHAR FOR KBX | ||
| 194 | ID_2 EQU 041H ; 2ND ID CHAR FOR KBX AEV | ||
| 195 | ID_2A EQU 054H ; ALTERNATE 2ND ID CHAR FOR KBX RWV 8-16-85 | ||
| 196 | F11_M EQU 87 ; F11 KEY MAKE | ||
| 197 | F12_M EQU 88 ; F12 KEY MAKE | ||
| 198 | MC_E0 EQU 224 ; GENERAL MARKER CODE | ||
| 199 | MC_E1 EQU 225 ; PAUSE KEY MARKER CODE | ||
| 200 | |||
| 201 | ;-------------- DISKETTE EQUATES | ||
| 202 | INT_FLAG EQU 080H ; INTERRUPT OCCURRENCE FLAG | ||
| 203 | MOTOR_WAIT EQU 37 ; 2 SECS OF COUNTS FOR MOTOR TURN OFF | ||
| 204 | TIME_OUT EQU 80H ; ATTACHMENT FAILED TO RESPOND | ||
| 205 | BAD_SEEK EQU 40H ; SEEK OPERATION FAILED | ||
| 206 | BAD_NEC EQU 20H ; NEC CONTROLLER HAS FAILED | ||
| 207 | BAD_CRC EQU 10H ; BAD CRC ON DISKETTE READ | ||
| 208 | DMA_BOUNDARY EQU 09H ; ATTEMPT TO DMA ACROSS 64K BOUNDARY | ||
| 209 | BAD_DMA EQU 08H ; DMA OVERRUN ON OPERATION | ||
| 210 | MEDIA_CHANGE EQU 06H ; MEDIA REMOVED ON DUAL ATTACH CARD | ||
| 211 | RECORD_NOT_FND EQU 04H ; REQUESTED SECTOR NOT FOUND | ||
| 212 | WRITE_PROTECT EQU 03H ; WRITE ATTEMPTED ON WRITE PROT DISK | ||
| 213 | BAD_ADDR_MARK EQU 02H ; ADDRESS MARK NOT FOUND | ||
| 214 | BAD_CMD EQU 01H ; BAD COMMAND PASSED TO DISKETTE I/O | ||
| 215 | |||
| 216 | XRATE EQU 02H ; 250KBS DATA TRANSFER RATE | ||
| 217 | DUAL EQU 01H ; DUAL ATTACH CARD PRESENT FLAG | ||
| 218 | |||
| 219 | DSK_CHG EQU 080H ; DISKETTE CHANGE FLAG MASK BIT | ||
| 220 | STATE_MSK EQU 007H ; USED TO STRIP OFF STATE OF MEDIA | ||
| 221 | REV_STATE EQU 0F8H ; USED AS MASK FOR STATE BITS | ||
| 222 | DETERMINED EQU 010H ; SET STATE DETERMINED IN STATE BITS | ||
| 223 | TRAN_MSK EQU 03H ; ISOLATE SHIFTED TRANSFER RATE BITS | ||
| 224 | DOUBLE_STEP EQU 020H ; MASK TO TURN ON DOUBLE STEPPING | ||
| 225 | MOTOR_MSK EQU 0F0H ; MASK TO CLEAR MOTOR ON BITS | ||
| 226 | MAX_DRV EQU 002H ; MAX NUMBER OF DRIVES | ||
| 227 | ;HOME EQU 010H ; TRACK 0 MASK | ||
| 228 | SENSE_DRV_ST EQU 004H ; SENSE DRIVE STATUS COMMAND | ||
| 229 | ONE EQU 001H ; SEEK ONE TRACK | ||
| 230 | TRK_SLAP EQU 030H ; CRASH STOP (48 TPI DRIVES) | ||
| 231 | QUIET_SEEK EQU 00AH ; SEEK TO TRACK 10 | ||
| 232 | HD12_SETTLE EQU 015D ; 1.2 M HEAD SETTLE TIME | ||
| 233 | HD320_SETTLE EQU 020D ; 320 K HEAD SETTLE TIME | ||
| 234 | WRITE_OP EQU 080H ; WRITE OPERATION FLAG | ||
| 235 | DD_MASK EQU 010H ; MASK TO INDICATE DRIVE IS 80 TRACKS | ||
| 236 | PAGE | ||
| 237 | ;------ DISK CHANGE LINE EQUATES | ||
| 238 | NOCHGLN EQU 001H ; NO DISK CHANGE LINE AVAILABLE | ||
| 239 | CHGLN EQU 002H ; DISK CHANGE LINE AVAILABLE | ||
| 240 | ;------ MEDIA/DRIVE STATE INDICATORS | ||
| 241 | M326D326 EQU 093H ; STATE MACHINE - 320/360 MEDIA/DRIVE | ||
| 242 | M326D12 EQU 074H ; STATE MACHINE - 320/360 MEDIA,1.2DRIVE | ||
| 243 | M12D12 EQU 015H ; STATE MACHINE - 1.2 MEDIA/DRIVE | ||
| 244 | POA_DUAL EQU 061H ; 300K DATA TRANSFER RATE & STATE 1 | ||
| 245 | POA_START EQU 080H ; 250K DATA TRANSFER RATE & STATE 0 | ||
| 246 | TRK_80 EQU 008H ; DISKETTE DRIVE HAS 80 TRACKS | ||
| 247 | ;------ CMOS NON-VOLATILE RAM EQUATES | ||
| 248 | CMOSDSB_ADDR EQU 00EH ; DISKETTE STATUS BYTE ADDRESS | ||
| 249 | CADR_PRT EQU 070H ; CMOS ADDRESS PORT ADDRESS | ||
| 250 | CDATA_PRT EQU 071H ; CMOS DATA PORT ADDRESS | ||
| 251 | CMOS_GOOD EQU 0C0H ; BATTERY AND CHECKSUM INDICATOR | ||
| 252 | CMOSDSK_BYTE EQU 010H ; DISKETTE BYTE ADDRESS | ||
| 253 | LOWNIB EQU 00FH ; ISOLATE LOW NIBBLE IN REGISTER MASK | ||
| 254 | INVALID_DRV EQU 002H ; FIRST INVALID DISKETTE TYPE | ||
| 255 | ;---------------------------------------- | ||
| 256 | ; TIMER DATA AREA : | ||
| 257 | ;---------------------------------------- | ||
| 258 | ; COUNTS_SEC EQU 18 | ||
| 259 | ; COUNTS_MIN EQU 1092 | ||
| 260 | ; COUNTS_HOUR EQU 65543 | ||
| 261 | ; COUNTS_DAY EQU 1573040 = 1800B0H | ||
| 262 | PAGE | ||