System Specification for C65: Update 5/1/91

C64DX System Specification UPDATE

F.BOWEN 5/1/91

The Monitor parser now allows PETSCII input/conversion:

        'A                      prints ASC() value of characted
        >1800 'text             puts text into memory
        LDA #'A

IRQ runs during graphics (Kernel finds its own base page). IRQ still does not run during DOS activity (not sure if they ever will).

The following Kernel Jump Table Entries have moved (and are still subject to further changes):

        FF05    nirq            ;IRQ handler
        FF07    monitor_brk     ;BRK handler (Monitor)
        FF09    nnmi            ;NMI handler
        FF0B    nopen           ;open
        FF0D    nclose          ;close
        FF0F    nchkin          ;chkin
        FF11    nckout          ;ckout
        FF13    nclrch          ;clrch
        FF15    nbasin          ;basin
        FF17    nbsout          ;bsout
        FF19    nstop           ;stop key scan
        FF1B    ngetin          ;getin
        FF1D    nclall          ;clall
        FF1F    monitor_parser  ;monitor command parser
        FF21    nload           ;load
        FF23    nsave           ;save

        FF25    talk
        FF27    listen
        FF29    talksa
        FF2B    second
        FF2D    acptr
        FF2F    ciout
        FF31    untalk
        FF33    unlisten

        FF35    DOS_talk
        FF37    DOS_listen
        FF39    DOS_talksa
        FF3B    DOS_second
        FF3D    DOS_acptr
        FF3F    DOS_ciout
        FF41    DOS_untalk
        FF43    DOS_unlisten

        FF45    Get_DOS
        FF47    Leave_DOS
        FF49    ColdStartDOS             <<< new
        FF4B    WarmStartDOS             <<< new

This page has been created by Sami Rautiainen.
Read the small print.	Last updated December 03, 2002.