| OCR Text |
Show <columnpos> ._ <unshifted-integer> <shifted-integer> APPENDIX D A BMF DESCRIPTION OF SIPPLDL The following is a BNF descr,1ption of the Speed-Independent PPL Description Language. - Note that shifted integers are provided to indicate the placement of row and column connection and break cells. These are placed between adjacent columns and rows respectively. Integers indicating a row ,number and preceded by a '-' indicate that the cell should be placed B,ELOW- the indicated row, and those preceded by a '+' should be place ABOVE the indicated row. Integers indicating a column number and preceded by a '-' indicate that the cell sbould be placed to the LEFT of the indicated column, and those preceded by a '+' should be placed to the RIGHT of the indicated column • <PPL -Program> . - PPLProgram <identifier> : {<PPLMacro>l {<placement-statement>} EndPPLProgram <PPL Macro> ._ PPLMacro <identifier> : {<placement-statement>} EndPPLMacro <placement-statement) ._ <identifier) <rowpos> <columnpos> ; <rowpos) .- <unshifted-integer) <shifted-integer> <unshifted-integer> ._ (integer> <shifted-integer) ._ + <integer> I - (integer> |
