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system_routines:math [2016/06/14 10:37] ex_writer [BCDSUB] |
system_routines:math [2016/06/14 10:41] ex_writer [DADD] |
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| Line 82: | Line 82: | ||
| BCD NEGATE TO DECIMAL | BCD NEGATE TO DECIMAL | ||
| + | |||
| + | | Calling Sequence: | <code z80>SYSTEM BCDNEG</code> or <code z80>SYSSUK BCDNEG | ||
| + | DW () | ||
| + | DB ()</code>| | ||
| + | | Arguments: | B =\\ DE = | | ||
| + | | Output: | ??? | | ||
| + | | Notes: | None | | ||
| + | | Description: | | | ||
| ==== BCDSUB ==== | ==== BCDSUB ==== | ||
| Line 97: | Line 105: | ||
| DECIMAL ABSOLUTE VALUE | DECIMAL ABSOLUTE VALUE | ||
| + | |||
| + | | Calling Sequence: | <code z80>SYSTEM DABS</code> or <code z80>SYSSUK DABS | ||
| + | DW () | ||
| + | DB ()</code>| | ||
| + | | Arguments: | B =\\ DE = | | ||
| + | | Output: | | | ||
| + | | Notes: | None | | ||
| + | | Description: | | | ||
| ==== DADD ==== | ==== DADD ==== | ||
| DECIMAL ADDITION | DECIMAL ADDITION | ||
| + | |||
| + | | Calling Sequence: | <code z80>SYSTEM DADD</code> or <code z80>SYSSUK DADD | ||
| + | DW (arg 1) | ||
| + | DB () | ||
| + | DW (arg 2)</code>| | ||
| + | | Arguments: | B = \\ DE = \\ HL = | | ||
| + | | Output: | ??? | | ||
| + | | Notes: | None | | ||
| + | | Description: | | | ||
| ==== DSMG ==== | ==== DSMG ==== | ||
| Line 152: | Line 177: | ||
| DECIMAL NEGATE | DECIMAL NEGATE | ||
| + | | Calling Sequence: | <code z80>SYSTEM NEGT</code> or <code z80>SYSSUK NEGT | ||
| + | DB (B) | ||
| + | DW (HL)</code>| | ||
| + | | Arguments: | B =\\ HL = | | ||
| + | | Output: | ??? | | ||
| + | | Notes: | None | | ||
| + | | Description: | | | ||
| ==== RANGED ==== | ==== RANGED ==== | ||
