Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision Last revision Both sides next revision | ||
|
system_routines:math [2016/06/14 10:33] ex_writer [BCDCHS] |
system_routines:math [2016/06/14 10:41] ex_writer [DADD] |
||
|---|---|---|---|
| Line 51: | Line 51: | ||
| DB () | DB () | ||
| DW ()</code>| | DW ()</code>| | ||
| - | | Arguments: | B = // HL = | | + | | Arguments: | B =\\ HL = | |
| | Output: | | | | Output: | | | ||
| | Notes: | None | | | Notes: | None | | ||
| Line 58: | Line 58: | ||
| BCD DIVISION | BCD DIVISION | ||
| + | |||
| + | | Calling Sequence: | <code z80>SYSTEM BCDDIV</code> or <code z80>SYSSUK BCDDIV | ||
| + | DW (arg 1) | ||
| + | DB () | ||
| + | DW (arg 2)</code>| | ||
| + | | Arguments: | B = \\ DE = \\ HL = Argument 2 | | ||
| + | | Output: | ??? | | ||
| + | | Notes: | None | | ||
| + | | Description: | | | ||
| ==== BCDMUL ==== | ==== BCDMUL ==== | ||
| BCD MULTIPLY | BCD MULTIPLY | ||
| + | |||
| + | | Calling Sequence: | <code z80>SYSTEM BCDMUL</code> or <code z80>SYSSUK BCDMUL | ||
| + | DW (arg 1) | ||
| + | DB () | ||
| + | DW (arg 2)</code>| | ||
| + | | Arguments: | B =\\ DE =\\ HL = | | ||
| + | | Output: | DE = Answer | | ||
| + | | Notes: | None | | ||
| + | | Description: | | | ||
| ==== BCDNEG ==== | ==== BCDNEG ==== | ||
| 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 ==== | ||
| BCD SUBTRACTION | BCD SUBTRACTION | ||
| + | |||
| + | | Calling Sequence: | <code z80>SYSTEM BCDSUB</code> or <code z80>SYSSUK BCDSUB | ||
| + | DW (arg 1) | ||
| + | DB () | ||
| + | DW (arg 2)</code>| | ||
| + | | Arguments: | B =\\ DE =\\ HL = | | ||
| + | | Output: | DE = Answer | | ||
| + | | Notes: | None | | ||
| + | | Description: | | | ||
| ==== DABS ==== | ==== DABS ==== | ||
| 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 125: | 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 ==== | ||
