Routines
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7873: Inglish: Read The Next Grammar Byte
Used by the routines at InglishPrepareTheClause, InglishSaveTheMatch, InglishRestoreTheMatch, InglishWalkTheGrammar and InglishStepOverAGroup.
Reads the next grammar byte from the token pointer, splits it into nibbles, and stores the token pointer, the unknown word and the class.
Inglish_ReadTheNextGrammarByte 7873 LD HL,($B6DC) Read *B6DC.
7876 LD ($B6DA),HL Update *B6DA.
7879 LD A,D Take the class into A.
787A LD ($B6DE),A Update *B6DE.
787D LD A,(HL) Read the token.
787E AND $0F Keep the low nibble of the token.
7880 LD B,A
7881 LD A,(HL) Read the token.
7882 AND $F0 Keep the high nibble of the token.
7884 LD D,A
7885 INC HL Step to the next byte of the token pointer.
7886 LD C,(HL) Read a byte from the pointer into C.
7887 INC HL Step to the next byte of the token pointer.
7888 LD ($B6DC),HL Update *B6DC.
788B RET Return.
View the equivalent code in;
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