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Timestamp:
08/13/09 22:14:33 (3 years ago)
Author:
brandonlw
Message:

More attempts to get dual booting working...

Files:
1 modified

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  • trunk/page1C/silentlink.asm

    r35 r36  
    383383       jr ReceiveOSPage 
    384384$$:    call SendAcknowledge 
     385       ;Couldn't hurt to try to send another acknowledge, because TI Connect sucks 
     386       ld hl,tryAckAgainHandler 
     387       call APP_PUSH_ERRORH 
     388       call SendAcknowledge 
     389       call APP_POP_ERRORH 
     390tryAckAgainHandler: 
    385391;TODO: Patch the received TI-OS to not erase sector 70h (where we will be backed up) 
    386 ;TODO: Put the [X,T,theta,N] boot loader in page 0 
     392;TODO: Put the [X,T,theta,N] boot loader in page 0 (currently in the extra RAM pages) 
    387393       ;This loader needs to read the keypad for skGraphvar, and if it's being pressed, call: 
    388        ;      in a,(6) 
    389        ;      push af 
    390394       ;      ld a,70h 
    391395       ;      out (6),a 
    392        ;      call StartBootLoader+4000h 
    393        ;      pop af 
    394        ;      out (6),a 
    395        ;      ret 
     396       ;      jp StartBootLoader+4000h 
     397       ;Copy the extra RAM pages to sector 70h 
     398       ld a,04h 
     399       ld b,70h 
     400       ld c,4 
     401$$:    push af 
     402       push bc 
     403       call CopyRAMToFlashPage 
     404       pop bc 
     405       pop af 
     406       inc a 
     407       inc b 
     408       dec c 
     409       jr nz,$B 
     410       ld a,'D' 
     411       call PutC 
    396412       call APP_POP_ERRORH 
    397413       ;Seems like the most sensible thing to do after receiving the TI-OS is just shut off