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pacman.doc
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1985-06-11
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2KB
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49 lines
(*
The file PACMAN.COM has been patched for the BIG BOARD Video,
using E = up / X = down / S = left / D = right
......Patched for Big Board by Gary Kaufman (215) 735-2841
*)
The compiled version of PACMAN (PACMAN.COM) can be easily
patched to any terminal that has the following characteristics:
1. A CLEAR SCREEN command of 2 characters of less
2. A CURSOR ADDRESSING command that is of the form:
<ESC> <char> <ROW> <COLUMN> with offset = 32
3. A CURSOR ON and CURSOR OFF command that is of the form:
<char> <char> <char>
(This is not necessary however)
The points to patch for CLEAR SCREEN are:
Address: 2FDAH ====> First character (Currently 1AH)
2FDBH ====> Second character (Currently 00H)
The points to patch for CURSOR ADDRESSING are:
Address: 37F3H ====> First character (Currently ESC)
37FCH ====> Second character (Currently "=")
The points to patch for CURSOR ON are:
Address: 3D9EH ====> First character (Currently 00H)
3D9FH ====> Second character (Currently 00H)
3DA0H ====> Third character (Currently 00H)
The points to patch for CURSOR OFF are:
Address: 27DCH ====> First character (Currently 00H)
27DDH ====> Second character (Currently 00H)
27DEH ====> Third character (Currently 00H)
The direction keys are located:
Address: 347BH ====> Move LEFT (Currently "S")
34ABH ====> Move DOWN (Currently "X")
3493H ====> Move UP (Currently "E")
3487H ====> Move RIGHT (Currently "D")
The QUIT character ("Q") is located at address 34E7H.
This version is set-up to work with a BIG BOARD.