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;----------------------------------------------------------; DIRP00.ASM; PROGETTO: B1601;; Variabili in Direct Page $00;----------------------------------------------------------; sezione COMMON -- questo permette di includere il file in piu' file.LIST onDIRP00: .SECTION page0, ref_only, common ;Direct-Page 00.ABSOLUTE ;; inizia sempre da $00.ORG 0x00JiffyClk .DW ; contatore 10ms 32 bit.DWSysTmr .DS SYSTMRCNT ; system timer 0 (10ms)SysTMF .DS SYSTMRCNT ; flag timer (80 -> start)Bnk0Flag .DB ; <7>: flag test RAM banco 0 ok; <6>: flag warm resetRTCFlag .DBdiskstat .DS 2 ; flag device on ata bus #0 & #1; <7>: device ready; <6>: compact flash device (C.F.); <5>: device identification ok; <4>: MBR loaded; <3>: valid signature in MBR; <2>: first partition found&active; <1>:; <0>: valid partition flag; <7>: device ready; <6>: USB device; <5>: compact flash device (C.F.); <4>: device identification ok; <3>: MBR loaded; <2>: first partition found&active; <1>: always 1; <0>: valid partition flagatadev .EQU diskstatusbdev .DS 2 ; flag flash disk on usb bus #0; <7>: device plugged and ready; <6>: always 1; <5>: device identification ok; <4>: MBR loaded; <3>: valid signature in MBR; <2>: first partition found&active; <1>:; <0>: valid partition flagdiskmax .DS 16 ; disk max. sector'satasec .EQU diskmaxusbsec .EQU diskmax+8atambr .DS 8 ; data for first partition found in mbr; first 3 bytes for start sector of partition; last byte for partition typeusbmbr .DS 8ataprt .DS 8 ; total sec's of first partitionusbprt .DS 8 ; total sec's of first partitionusb0ch .DB ; usb0 (ch375/ch376) flag; <7>: module on; <6>: ch376 flag; <5:0>: chip versionusb0st .DB ; usb0 status; <7>: usb0 host mode ok; <6>: flash disk attached flag; <5>: usb device attachedfdcdrv .DB ; phisycal drive status (drive #0); <7>: disk format established in bit 0&1; <6>: double step seek done; <5>: trust format bit's (set after ok r/w); <4>: write protect bit (if disk in drive); <3>: don't care; <2>: don't care; <1>: HD disk if set else DD disk; <0>: CBM format if set else IBM formatvdrive .DB ; virtual drive status (ram disk, drive #1); <7>: disk format established in bit 0&1; <6>: change disk simulation (after format); <5>: don't care; <4>: write protect bit (under sw control); <3>: don't care; <2>: don't care; <1>: HD disk if set else DD disk; <0>: CBM format if set else IBM formatfdcctl .DB ; fdc controller status; <7>: drive is attached; <6>: drive need recalibration (restore); <5>: FDC controller ok; <4>: motor on; <3>: dma is active; <2>: dma chip ok (post routine); <1>: clock rate (1=HD,0=DD); <0>: disk readyfdctrk .DB ; fd: current seek trackfdcerr .DB ; fd: last error codeataerr .DB ; ata: last error codeataxer .DB ; ata: last extended error codeCtrlBrk .DB ; flag CTRL+BREAK (NMI)MemTop .DW ; top memoria RAM.DB ; banco top memDflTxtIn .DB ; device di default text inputDflTxtOut .DB ; device di default text outputCOPPtr LP ; long pointer for COP decodingCOPIdx .DB ; COP signature/indexBiosEnt .DB ; flag accesso a bios setup; variabili utilizzate da ACIAspwrk .DS $30; bios memnsize .DW ; dimensione blocco da allocare;bsize .DW ; dimensione vera blocco freesplitsz .DW ; dimensione blocco splittatobfree .DW ; puntatore blocco freehdrptr .DW ; puntatore header heappbrklv .DW ; current break level of current processpbrkmin .DW ; minimum breal level of current processpbrkmax .DW ; maximum breal level of current process; bios temp. work areabwrktmp .DS $28coptmp .DB ; temp. used while coptstser .DB ; check ser/usb test board post; <7>: VIA2 ok; <6>: PICRAM ok; <1>: UART 16C550 ok; <0>: R65C51 ok;crc16 .DW.RELATIVE.ENDS.IFDEF _ACIA_INC_.INCLUDE INC\SP.INC.ENDIF.LIST off