1 line
19 KiB
Plaintext
1 line
19 KiB
Plaintext
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*** WARNING *** Far as I can tell, this file is completely unused. 15-Dec-92 DAL ***
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;*******************************************************
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;
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; This file contains all the global equates for the
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; SCSI Driver. Only those items below that are marked
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; as "**** Changable ****" can be altered safly
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; without detailed intimate knowledge of how the
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; generic driver functions. Any other values should
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; only be modified by someone who understands how this
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; generic driver functions.
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;
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;*******************************************************
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;
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; Bit Location equates
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;
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null equ %0000000000000000
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bit_0 equ %0000000000000001
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bit_1 equ %0000000000000010
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bit_2 equ %0000000000000100
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bit_3 equ %0000000000001000
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bit_4 equ %0000000000010000
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bit_5 equ %0000000000100000
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bit_6 equ %0000000001000000
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bit_7 equ %0000000010000000
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bit_8 equ %0000000100000000
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bit_9 equ %0000001000000000
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bit_10 equ %0000010000000000
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bit_11 equ %0000100000000000
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bit_12 equ %0001000000000000
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bit_13 equ %0010000000000000
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bit_14 equ %0100000000000000
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bit_15 equ %1000000000000000
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;
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; Partition Map Signature
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;
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Part_sig equ $4d50
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;
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; Booleans
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;
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true equ bit_0
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false equ null
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;
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; Structure Sizes.
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;
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qtr_sec equ $0001
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one_sec equ 4*qtr_sec
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one_min equ 60*one_sec
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max_timeout equ 2*one_min ;**** Changable ****
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one_page equ $00000100
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block_size equ one_page*2 ;**** Changable ****
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dib_size equ one_page
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max_dvc_cnt equ 100 ;Yes: that's decimal 100
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max_gdvc_buf equ $00000704
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max_cmd_len equ 12 ;Yes: that's decimal 12
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p_mask_adder equ bit_10 ;First Bit of Partition Count. *** Changable ***
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max_p_mask equ p_mask_adder\ ;6 bits of unit number
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+p_mask_adder*2\
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+p_mask_adder*4\
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+p_mask_adder*8\
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+p_mask_adder*16\
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+p_mask_adder*32
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max_partitions equ max_p_mask/p_mask_adder+1
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interleave equ 1 ;**** Changable ****
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;
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; SCSI Driver Version Number.
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; and other driver dependent data
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;
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drvr_vers equ $0010 ;**** Changable ****
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cmd_start equ $0000 ;Driver Startup Call
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cmd_open equ $0001 ;Driver Open Call
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cmd_read equ $0002 ;Driver Read Call
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cmd_write equ $0003 ;Driver Write Call
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cmd_close equ $0004 ;Driver Close Call
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cmd_status equ $0005 ;Driver Status Call
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cmd_control equ $0006 ;Driver Control Call
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cmd_flush equ $0007 ;Driver Flush Call
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cmd_shutdown equ $0008 ;Driver Shutdown Call
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max_d_cmd equ $0008 ;Max Driver Command **** Changable ****
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max_s_cmd equ $0004 ;Max Status Code **** Changable ****
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max_c_cmd equ $0009 ;Max Control Code **** Changable ****
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;
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; Suppervisory Dispatcher IDs and
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; SCSI Manager Command Numbers
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;
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super_d_id equ $0000 ;Supervisory Dispatcher's ID
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get_sdrvr_id equ $0000 ;Get S Driver's ID Number
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set_sib_ptr equ $0001 ;Set SIB Pointer
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cmd_get_dvc equ $0002 ;SCSI Manager Get Devices Call
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cmd_claim_dvc equ $0003 ;SCSI Manager Claim Devices Call
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scsi_io_call equ $0004 ;SCSI Manager I/O Call
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;
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; SCSI Device Types from INQUIRY Call
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;
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direct_acc equ $0000 ; Direct-Access Device
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seq_acc equ $0001 ; Sequential-Access Device
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print_dvc equ $0002 ; Printer Device
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proc_dvc equ $0003 ; Processor Device
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worm_dvc equ $0004 ; Write-once Read-multiple Device
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read_dacc equ $0005 ; Read-only Direct-Access Device
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scanner equ $0006 ; Scanner Device
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optic_mem equ $0007 ; Optical Memory Devices
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changer equ $0008 ; Changer Devices
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comm_dvc equ $0009 ; Communication Devices
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mcd_40 equ $0010 ; Apple's tape. Direct Access Magnetic Tape Device
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apple_cd equ $0005 ; Apple's CD-ROM
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apple_scan equ $00ff ; Apple's Scanner
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appl_laser equ $00ff ; Apple's LaserWriter SC
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data_dat equ $00ff ; Data Dat Device
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mag_optical equ $00ff ; Magneto-Optical Device
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;
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; Type of Device we support in this driver.
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;
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scsi_dtype equ apple_cd ;**** Changable ****
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scsi_duid equ $3C00 ;**** Changable ****
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claim_dvc equ false ;**** Changable ****
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block_dvc equ true ;**** Changable ****
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character_dvc equ false ;**** Changable ****
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IF block_dvc=character_dvc THEN
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; "These two can not be the same!"
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ENDIF
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;
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; IMMED Bit is bit 0 of byte 1 in
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; the standard SCSI Command for
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; Direct-Access Devices.
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; That means the high byte because
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; of the 65xxx Low -> High structure.
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; Kind of confusing!
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;
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immed_loc equ bit_8 ;**** Changable ****
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;
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; System Service Calls we need.
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;
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;*******************************************************
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;
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; ENTRY: move_info via 'jsl'
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;
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; LONGWORD - Source buffer pointer
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; LONGWORD - Destination buffer pointer
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; LONGWORD - Transfer length
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; WORD - Source buffer pointer
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; SP -->
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;
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; A Reg = Undefined
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; X Reg = Undefined
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; Y Reg = Undefined
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; Bank Reg = Undefined
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; Dir Reg = GS/OS Direct Page
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; P Reg = N V M X D I Z C E
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; x x 0 0 0 x x x 0
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;
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; EXIT: move_info via 'rtl'
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;
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; A Reg = Error Code
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; X Reg = Undefined
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; Y Reg = Undefined
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; Bank Reg = Undefined
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; Dir Reg = GS/OS Direct Page
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; P Reg = N V M X D I Z C E
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; x x 0 0 0 x x 0 0 No Error
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; x x 0 0 0 x x 1 0 Error
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;
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;*******************************************************
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move_info equ $01fc70
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moveblkcmd equ $0800 ;Block Move Option
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move_sinc_dinc equ $0805 ;Source Inc, Dest Inc
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move_sinc_ddec equ $0809 ;Source Inc, Dest Dec
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move_sdec_dinc equ $0806 ;Source Dec, Dest Inc
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move_sdec_ddec equ $080a ;Source Dec, Dest Dec
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move_scon_dcon equ $0800 ;Source con, Dest con
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move_sinc_dcon equ $0801 ;Source Inc, Dest con
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move_sdec_dcon equ $0802 ;Source Dec, Dest con
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move_scon_dinc equ $0804 ;Source con, Dest Inc
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move_scon_ddec equ $0808 ;Source con, Dest Dec
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;*******************************************************
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;
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; ENTRY: set_disksw via 'jsl'
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;
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; A Reg = Undefined
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; X Reg = Undefined
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; Y Reg = Undefined
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; Bank Reg = Undefined
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; Dir Reg = GS/OS Direct Page
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; P Reg = N V M X D I Z C E
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; x x 0 0 0 x x x 0
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;
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; EXIT: set_disksw via 'rtl'
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;
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; A Reg = Undefined
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; X Reg = Undefined
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; Y Reg = Undefined
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; Bank Reg = Undefined
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; Dir Reg = GS/OS Direct Page
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; P Reg = N V M X D I Z C E
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; x x 0 0 0 x x 0 0 No Error
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;
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;*******************************************************
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set_disksw equ $01fc90
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s_dispatch equ $01fca4
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install_driver equ $01fca8
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;
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; Direct Page Addresses.
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;
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dev_num equ $0000 ;Device Number
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call_num equ $0002 ;Call Number
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buff_ptr equ $0004 ;Buffer Pointer
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rqst_cnt equ $0008 ;Request Count
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trans_cnt equ $000C ;Transfer Count
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block_num equ $0010 ;Block Number (Read/Write only)
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blk_size equ $0014 ;Block Size
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fst_num equ $0016 ;FST Number (Read/Write only)
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stat_code equ $0016 ;Status Command Code
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cont_code equ $0016 ;Control Command Code
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volume_id equ $0018 ;Volume ID (Read/Write only)
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cache_prio equ $001A ;Cache Priority Value (Read/Write only)
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cache_ptr equ $001C ;Cache Pointer (Read/Write only)
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dib_ptr equ $0020 ;DIB Pointer
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scsi_mdrvr equ $005A ;Main Driver Command Data Ptr goes here.
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dvc_list equ scsi_mdrvr+4;Get Devices List (Startup Command Only)
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scsi_zp0 equ dvc_list+4 ;User Defined Direct page scratch pad
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scsi_zp1 equ scsi_zp0+2 ;User Defined Direct page scratch pad
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scsi_zp2 equ scsi_zp1+2 ;User Defined Direct page scratch pad
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scsi_zp3 equ scsi_zp2+2 ;User Defined Direct page scratch pad
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scsi_zp4 equ scsi_zp3+2 ;User Defined Direct page scratch pad
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scsi_zp5 equ scsi_zp4+2 ;User Defined Direct page scratch pad
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scsi_zp6 equ scsi_zp5+2 ;User Defined Direct page scratch pad
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scsi_zp7 equ scsi_zp6+2 ;User Defined Direct page scratch pad
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first_dib equ scsi_zp7+2 ;Start of DIB RAM (Startup Command Only)
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next_dib equ first_dib+4 ;Next DIB to be used (Startup Command Only)
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last_dib equ next_dib+4 ;Pointer to Default DIB Structure
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sib_pointer equ $0074
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smgr_pl_ptr equ $0078
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;
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; Memory attribute equates
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;
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attrlock equ bit_15 ;Block is locked down.
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attrfixed equ bit_14 ;Block can't move in mem
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attrpurg1 equ bit_8 ;Purge level 1
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attrpurg2 equ bit_9 ;Purge level 2
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attrpurg3 equ bit_8+bit_9 ;Purge level 3
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attrnocross equ bit_4 ;May not cross banks
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attrnospec equ bit_3 ;don't use special mem
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attrpage equ bit_2 ;Page alligned
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attraddr equ bit_1 ;Remain at fixed address
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attrbank equ bit_0 ;Remain in fixed bank
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;
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; SCSI Command Translation Table Flags
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;
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scsit_tx equ bit_15 ;SCSI Send Data Command
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scsit_rx equ bit_14 ;SCSI Receive Data Command
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scsit_stat equ bit_13 ;SCSI Status Command
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scsit_cont equ bit_12 ;SCSI Control Command
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scsit_data equ bit_11 ;SCSI Data I/O Command
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scsit_dvc equ bit_10 ;SCSI Device I/O Command
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scsit_blk equ bit_9 ;Command has a Block Number
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scsic_1st equ bit_8 ;Must be first device if linked
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scsic_int equ bit_7 ;Internal Driver Command only
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scsic_dsw equ bit_6 ;Issue DISK_SW with this call
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scsic_off equ bit_5 ;Device is going offline.
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scsic_tout equ bit_4 ;Adjust time out by block count
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scsid_asis equ bit_3 ;CMD Data is in SCSI format
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scsid_blk equ bit_1 ;Convert Trans Count to Blocks
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scsid_byte equ bit_0 ;Leave Trans Count in Bytes
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scsid_none equ null ;Transfer count does not go in CMD
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scsi_endcmd equ null ;End of SCSI Translation Table
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;
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; Device Characteristics.
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;
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ram_rom_disk equ bit_15 ;RAM or ROM Disk if Set
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gened_drvr equ bit_14 ;Generated Driver if Set
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linked_dvc equ bit_13 ;Linked Device if Set
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call_active equ bit_12 ;Device Busy if Set
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mhz_1 equ null ;1 Mhz Device
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mhz_2_6 equ bit_8 ;2.6 Mhz Device
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mhz_gt_2_6 equ bit_9 ;>2.6 Mhz Device
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speed_ind equ bit_8+bit_9 ;Device is speed independent
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blk_device equ bit_7 ;Block Device if Set
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write_allow equ bit_6 ;Write is Allowed if Set
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read_allow equ bit_5 ;Read is Allowed if Set
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format_allow equ bit_3 ;Format is Allowed if Set
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removable equ bit_2 ;Removable Media if Set
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;
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; Device Flags for 'dvcflag'. All
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; are considered true if set.
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;
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int_busy equ bit_15 ;Internal busy flag for async
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wait_mode equ bit_14 ;Driver Wait/No Wait state
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dvc_online equ bit_13 ;Device Online Flag
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dvc_switch equ bit_12 ;Device Switched Flag
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dvc_hardofl equ bit_11 ;Device Hard Offline Flag
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; Bits 0 - 10 are reserved at this time.
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;
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; Error Codes.
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;
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no_error equ $0000
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bad_dev_number equ $0011
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drvr_bad_req equ $0020
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drvr_bad_code equ $0021
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drvr_bad_parm equ $0022
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drvr_not_open equ $0023
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drvr_prior_open equ $0024
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drvr_io equ $0027
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drvr_no_dev equ $0028
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drvr_busy equ $0029
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drvr_bad_cnt equ $002c
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drvr_off_line equ $002f
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;*******************************************************
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;
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; The following statements are used to define the DIB
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; structure. The structure contains the traditional
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; DIB followed by an extension used for device
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; maintainence. All together each DIB with the
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; associated extensions will take one page of RAM.
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;
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;*******************************************************
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;
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; $00 ------------------------------------------------
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; | |
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; | Device Information Block Data (DIB) |
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; $3F | |
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; ------------------------------------------------
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; $40 | Physical Block Number |
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; | |
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; $43 | that maps to logical block zero |
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; ------------------------------------------------
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; $44 | |
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; | Head Pointer |
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; $47 | |
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; ------------------------------------------------
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; $48 | |
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; | Forward Pointer |
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; $4B | |
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; ------------------------------------------------
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; $4C | Memory DIB Count |
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; ------------------------------------------------
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; $4E | Reserved |
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; ------------------------------------------------
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; $50 | |
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; | Memory Manager Handle for this DIB |
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; $53 | |
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; ------------------------------------------------
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; $54 | |
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; | Block Size (Bytes) |
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; $57 | |
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; ------------------------------------------------
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; $58 | Max SCSI Command for this Device |
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; ------------------------------------------------
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; $5A | |
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; | Command Bitmap (See ERS for description) |
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; $79 | |
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; ------------------------------------------------
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; $7A | SCSI Command Data |
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; | and |
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; $D9 | SCSI Manager Call Buffer Structures |
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; ------------------------------------------------
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; $DA | 'Busy' and other Flags |
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; ------------------------------------------------
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; $DC | |
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; | Completion Vector with Code |
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; $FF | |
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; ------------------------------------------------
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;
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;*******************************************************
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dib RECORD $0000
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;
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; Definition of DIB Structure.
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;
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linkptr ds.l 1 ; DIB Link Pointer (LONG)
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entry ds.l 1 ; Pointer to Drvrs Main Entry (LONG)
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dvcchar ds.w 1 ; Device Characteristics (WORD)
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blkcnt ds.l 1 ; Block Count for this device (LONG)
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namelen ds.b 1 ; Length of Descriptive Name (PSTR)
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disname ds.b 31 ; Field for this devices Name (STR)
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slotnum ds.w 1 ; Device Slot Number from MGR. (WORD)
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unitnum ds.w 1 ; Device Unit Number from MGR. (WORD)
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versnum ds.w 1 ; Version Number for our Driver (WORD)
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dvcid ds.w 1 ; ID of Device we talk to (WORD)
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headlnk ds.w 1 ; Head Device Link (WORD)
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fdvclnk ds.w 1 ; Forward Device Link (WORD)
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ext_ptr ds.l 1 ; Pointer to DIB Extension (LONG)
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devnum ds.w 1 ; DIB Device Number (WORD)
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;
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; The Starting Block Number for this device
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; is maintained here. This is used to
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; modify the requested block number from
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; a logical to a physical number.
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;
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start_blk ds.l 1 ; Starting Physical Block Num. (LONG)
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;
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; These two pointers are the compliment
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; to the links in the standard DIB and
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; will point to the actual DIB referenced
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; in the Head and Forward Device Links.
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;
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headptr ds.l 1 ; Head Dvc Pointer (LONG)
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fdvcptr ds.l 1 ; Forward Dvc Pointer (LONG)
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mem_dib_cnt ds.w 1 ; Number of active dibs in mem (WORD)
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part_blk ds.w 1 ; Reserved (WORD)
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;
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; Memory Manager Handle
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;
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handle ds.l 1 ; (LONG)
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;
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; Block Size
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;
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blksize ds.l 1 ; (LONG)
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;
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; Maximum SCSI Command supported by
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; the device for this DIB.
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;
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maxcmd ds.w 1 ; (WORD)
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;
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; SCSI Command Group Bitmaps
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;
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group0 ds.l 1 ; Group 0 (LONG)
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group1 ds.l 1 ; Group 1 (LONG)
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group2 ds.l 1 ; Group 2 (LONG)
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group3 ds.l 1 ; Group 3 (LONG)
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group4 ds.l 1 ; Group 4 (LONG)
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group5 ds.l 1 ; Group 5 (LONG)
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group6 ds.l 1 ; Group 6 (LONG)
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group7 ds.l 1 ; Group 7 (LONG)
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;
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; SCSI Manager Call PList
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;
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scsiid ds.w 1 ; Same as our Unit Number (WORD)
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scsic_flgs ds.w 1 ; Flags from Command Table (WORD)
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time_out ds.w 1 ; Time Out Factor * xxx ms (WORD)
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compvec ds.l 1 ; Completion Routine Pointer (LONG)
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cp_ptr ds.l 1 ; Pointer to Command Packet (LONG)
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trx_ptr ds.l 1 ; Ptr to Send/R'cv Structure (LONG)
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trx_len
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trx_rqst ds.l 1 ; Users Send/R'cv Length (LONG)
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rslt_ptr ds.l 1 ; Pointer to Status Structure (LONG)
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msg_ptr ds.l 1 ; Pointer to Message Structure (LONG)
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reserv0 ds.w 1 ; Reserved space 0 (WORD)
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reserv1 ds.w 1 ; Reserved space 1 (WORD)
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;
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; SCSI Command Packet
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;
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scsicmd ds.b 12 ; Room for any SCSI Command (BYTES)
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;
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; SCSI Manager Device Send/R'cv Buffers List
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;
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trx_buff ds.l 1 ; Users Send Buffer (LONG)
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trx_length ds.l 1 ; Request cnt for this buffer (LONG)
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trx_offset ds.l 1 ; Offset for next pass (LONG)
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trx_null ds.l 1 ; Null (LONG)
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trx_stop ds.l 1 ; Null (LONG)
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ds.l 1 ; Null (LONG)
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ds.l 1 ; Null (LONG)
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ds.l 1 ; Null (LONG)
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trx_rsrv ds.l 4 ; Reserved Space * 4 for future (LONG)
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;
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; Device Busy and other Flags and results
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;
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dvcflag ds.w 1 ; Device Busy and other Flags (WORD)
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;
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; Completion Routine for this DIB.
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; This takes the remaining space in
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; the allocated RAM. Any routine can
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; be placed here but must never go
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; beyond offset $FF
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;
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end equ *
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complet ds.b $100-end
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ENDR
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pm RECORD $0000
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|
;
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|
; All Values given below are
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|
; in Macintosh High >> Low
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|
; format.
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|
;
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|
Sig ds.w 1 ;Signature Always $504d
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|
; Apple II = $4d50
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|
SigPad ds.w 1 ;Reserved for future use
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|
MapBlkCnt ds.l 1 ;Number of blocks in Map
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|
PyPartStart ds.l 1 ;First Physical Block of Partition
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|
PartBlkCnt ds.l 1 ;Number of Blocks in Partition
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|
PartName ds.b 32 ;Partition Name
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|
PartType ds.b 32 ;Partition Type
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|
LgDataStart ds.l 1 ;1st Logical Data Block
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|
DataCnt ds.l 1 ;Number of data blocks
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|
PartStatus ds.l 1 ;Partition Status Info
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|
LgBootStart ds.l 1 ;1st Logical Boot Block
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|
BootSize ds.l 1 ;Size of Boot Code in Bytes
|
|
BootLoad ds.l 1 ;Boot Code Load Address
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|
BootLoad2 ds.l 1 ;Additional Boot Load Info
|
|
BootEntry ds.l 1 ;Boot Code Entry Point
|
|
BootEntry2 ds.l 1 ;Additional Boot Entry Info
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|
BootCksum ds.l 1 ;Boot Code Checksum
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|
Processor ds.b 16 ;Processor Type
|
|
Args ds.b 128 ;Boot Specific Arguments
|
|
end equ *
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|
ds.b $200-end ;Pad to 1 Block
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|
ENDR
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|
|
|
block RECORD $0000
|
|
|
|
count ds.l 1 ;Block Count High >> Low
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|
size ds.l 1 ;Block Size High >> Low
|
|
|
|
ENDR
|
|
|
|
mode RECORD $0000
|
|
|
|
sense_len ds.b 1 ;Sense Data Length
|
|
med_type ds.b 1 ;Medium Type
|
|
w_protect ds.b 1 ;Write Protect bit 7
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|
ds.b 2 ;Unused data
|
|
blocks ds.b 3 ;Block Count High >> Low
|
|
ds.b 1 ;Unused data
|
|
blk_size ds.b 3 ;Block Size High >> Low
|
|
|
|
ENDR
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|
|
|
inq RECORD $0000
|
|
|
|
pd_type ds.b 1 ;Peripheral Device Type
|
|
removable ds.b 1 ;Removable bit 7
|
|
ds.b $26-2 ;Unused data
|
|
group ds.b 1 ;First Group Number
|
|
|
|
ENDR
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|
|
|
ds RECORD $0000
|
|
|
|
version ds.w 1 ;Version Number of this structure
|
|
ds.b 12 ;Command Bytes
|
|
DCcode ds.l 1 ;1st DC Code
|
|
DCcount ds.l 1 ;1st Count
|
|
DCoffset ds.l 1 ;1st Offset
|
|
DCreserved ds.l 1 ;1st Reserved
|
|
|
|
ENDR
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|
|
|
EJECT
|