Routines |
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This entry point is used when CH-ADD needs updating to point to the start of the first expression.
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NEXT_2NUM | 07289 | RST 32 | Advance CH-ADD. | |
This entry point is used by the routine at CLASS_09.
The address of this entry point is derived from an offset found in the command class table.
This entry point allows for two numeric expressions, separated by a comma, to be evaluated.
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CLASS_08 | 07290 | CALL CLASS_06 | Evaluate each expression in turn - so evaluate the first. | |
07293 | CP "," | Give an error report if the separator is not a comma. | ||
07295 | JR NZ,REPORT_C | |||
07297 | RST 32 | Advance CH-ADD. | ||
This entry point is used by the routines at SAVE_ETC, LIST, FETCH_NUM, FOR, PR_ITEM_1, STR_ALTER, CO_TEMP_1, CIRCLE, DRAW and INT_EXP1.
The address of this entry point is derived from an offset found in the command class table.
This entry point allows for a single numeric expression to be evaluated.
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CLASS_06 | 07298 | CALL SCANNING | Evaluate the next expression. | |
07301 | BIT 6,(IY+1) | Return as long as the result was numeric (bit 6 of FLAGS set); otherwise it is an error. | ||
07305 | RET NZ | |||
REPORT_C | 07306 | RST 8 | Call the error handling routine. | |
07307 | DEFB 11 | |||
This entry point is used by the routine at SAVE_ETC.
The address of this entry point is derived from an offset found in the command class table.
This entry point allows for a single string expression to be evaluated.
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CLASS_0A | 07308 | CALL SCANNING | Evaluate the next expression. | |
07311 | BIT 6,(IY+1) | This time return if the result indicates a string (bit 6 of FLAGS reset); otherwise give an error report. | ||
07315 | RET Z | |||
07316 | JR REPORT_C |
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