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⌂ ∞ ▽ Elite on the 6502

Version analysis of QQ11

This code appears in the following versions (click to see it in the source code):

Code variations between these versions are shown below.

.QQ11

 SKIP 1                 \ The type of the current view:
                        \
                        \   0   = Space view

Code variation 1 of 8A variation in the comments only

This variation is blank in the Cassette, Disc (flight), Disc (docked), 6502 Second Processor and Electron versions.

Master
                        \         Death screen

Code variation 2 of 8A variation in the comments only

Tap on a block to expand it, and tap it again to revert.

Cassette, Flight, Docked, 6502SP, Master
Electron
                        \   1   = Data on System screen (red key f6)

                        \   1   = Data on System screen (FUNC-7)

                        \         Get commander name ("@", save/load commander)
                        \         In-system jump just arrived ("J")

Code variation 3 of 8A variation in the comments only

This variation is blank in the Disc (flight) and Master versions.

Cassette, Docked, 6502SP, Electron
                        \         Title screen

Code variation 4 of 8Specific to an individual platform

The cassette and Electron versions reuse view type 1 for the Buy Cargo screen and (for the cassette version) arrival from a mis-jump.

Tap on a block to expand it, and tap it again to revert.

Cassette
Flight, Docked, 6502SP, Master
Electron
                        \         Buy Cargo screen (red key f1)
                        \         Mis-jump just arrived (witchspace)

                        \   2   = Buy Cargo screen (red key f1)
                        \   3   = Mis-jump just arrived (witchspace)

                        \         Buy Cargo screen (FUNC-2)

Code variation 5 of 8A variation in the comments only

Tap on a block to expand it, and tap it again to revert.

Cassette, Flight, Docked, 6502SP
Master
Electron
                        \   4   = Sell Cargo screen (red key f2)
                        \   6   = Death screen
                        \   8   = Status Mode screen (red key f8)
                        \         Inventory screen (red key f9)

                        \   4   = Sell Cargo screen (red key f2)
                        \   8   = Status Mode screen (red key f8)
                        \         Inventory screen (red key f9)

                        \   4   = Sell Cargo screen (FUNC-3)
                        \   6   = Death screen
                        \   8   = Status Mode screen (FUNC-9)
                        \         Inventory screen (FUNC-0)

Code variation 6 of 8Specific to an individual platform

The Master version has a unique view type for the title screen (13).

This variation is blank in the Cassette, Disc (flight), Disc (docked), 6502 Second Processor and Electron versions.

Master
                        \   13  = Rotating ship view (title or mission screen)

Code variation 7 of 8A variation in the comments only

Tap on a block to expand it, and tap it again to revert.

Cassette, Flight, Docked, 6502SP, Master
Electron
                        \   16  = Market Price screen (red key f7)
                        \   32  = Equip Ship screen (red key f3)
                        \   64  = Long-range Chart (red key f4)
                        \   128 = Short-range Chart (red key f5)

                        \   16  = Market Price screen (FUNC-8)
                        \   32  = Equip Ship screen (FUNC-4)
                        \   64  = Long-range Chart (FUNC-5)
                        \   128 = Short-range Chart (FUNC-6)

Code variation 8 of 8Specific to an individual platform

In the enhanced versions, the launch view has its own QQ11 view type, 255.

This variation is blank in the Cassette and Electron versions.

Flight, Docked, 6502SP, Master
                        \   255 = Launch view

                        \
                        \ This value is typically set by calling routine TT66