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Routines |
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Used by the routine at TOKENISE.
And each takes the class of a word: a full stop $B0, the same as THEN, and a comma $A0, the same as AND -- so TAKE THE MAP. GO EAST and TAKE THE MAP, THE KEY parse exactly as their spelled-out forms. A quote is $90. Returns Z if it was one of the three.
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| PUNCTUATION_TOKEN | 6F30 | LD B,$B0 | Full stop: $B0, as THEN | |
| 6F32 | CP $2E | |||
| 6F34 | JR Z,PUNCTUATION_TOKEN_0 | |||
| 6F36 | LD B,$A0 | Comma: $A0, as AND | ||
| 6F38 | CP $2C | |||
| 6F3A | JR Z,PUNCTUATION_TOKEN_0 | |||
| 6F3C | CP $22 | Quote: $90; anything else is not punctuation | ||
| 6F3E | RET NZ | |||
| 6F3F | LD B,$90 | |||
| PUNCTUATION_TOKEN_0 | 6F41 | INC HL | Step past it; A = the class, and no word | |
| 6F42 | LD A,B | |||
| 6F43 | LD BC,$0000 | |||
| 6F46 | RET | |||
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