Mercurial > repos > blastem
comparison z80.cpu @ 1728:b0e01e64d76d
Implemented RES instruction in new Z80 core
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Sat, 02 Feb 2019 15:35:15 -0800 |
| parents | 9ea0b4cc8f02 |
| children | bd13d017f16f |
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| 1727:9ea0b4cc8f02 | 1728:b0e01e64d76d |
|---|---|
| 1749 cycles 1 | 1749 cycles 1 |
| 1750 lsl 1 B tmp | 1750 lsl 1 B tmp |
| 1751 lsr wz 8 last_flag_result | 1751 lsr wz 8 last_flag_result |
| 1752 and scratch1 tmp tmp | 1752 and scratch1 tmp tmp |
| 1753 update_flags SZH1PN0 | 1753 update_flags SZH1PN0 |
| 1754 | |
| 1755 cb 10BBBRRR res_reg | |
| 1756 local tmp 8 | |
| 1757 lsl 1 B tmp | |
| 1758 not tmp tmp | |
| 1759 and main.R tmp main.R | |
| 1760 | |
| 1761 cb 10BBB110 res_hl | |
| 1762 z80_fetch_hl | |
| 1763 cycles 1 | |
| 1764 local tmp 8 | |
| 1765 lsl 1 B tmp | |
| 1766 not tmp tmp | |
| 1767 and scratch1 tmp scratch1 | |
| 1768 z80_store_hl | |
| 1769 | |
| 1770 z80_res_index | |
| 1771 arg bit 8 | |
| 1772 arg tmp 8 | |
| 1773 lsl 1 bit tmp | |
| 1774 not tmp tmp | |
| 1775 mov wz scratch1 | |
| 1776 ocall read_8 | |
| 1777 cycles 1 | |
| 1778 and scratch1 tmp tmp | |
| 1779 mov tmp scratch1 | |
| 1780 z80_store_index | |
| 1781 | |
| 1782 ddcb 10BBB110 res_ixd | |
| 1783 local tmp 8 | |
| 1784 z80_res_index B tmp | |
| 1785 | |
| 1786 ddcb 10BBBRRR res_ixd_reg | |
| 1787 z80_res_index B main.R | |
| 1788 | |
| 1789 fdcb 10BBB110 res_iyd | |
| 1790 local tmp 8 | |
| 1791 z80_res_index B tmp | |
| 1792 | |
| 1793 fdcb 10BBBRRR res_iyd_reg | |
| 1794 z80_res_index B main.R |