Mercurial > repos > blastem
changeset 1729:bd13d017f16f
Implemented SET instruction in Z80 core
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Sat, 02 Feb 2019 15:42:45 -0800 |
parents | b0e01e64d76d |
children | 71f7827ff30a |
files | z80.cpu |
diffstat | 1 files changed, 39 insertions(+), 1 deletions(-) [+] |
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--- a/z80.cpu Sat Feb 02 15:35:15 2019 -0800 +++ b/z80.cpu Sat Feb 02 15:42:45 2019 -0800 @@ -1791,4 +1791,42 @@ z80_res_index B tmp fdcb 10BBBRRR res_iyd_reg - z80_res_index B main.R \ No newline at end of file + z80_res_index B main.R + +cb 11BBBRRR set_reg + local tmp 8 + lsl 1 B tmp + or main.R tmp main.R + +cb 11BBB110 set_hl + z80_fetch_hl + cycles 1 + local tmp 8 + lsl 1 B tmp + or scratch1 tmp scratch1 + z80_store_hl + +z80_set_index + arg bit 8 + arg tmp 8 + lsl 1 bit tmp + mov wz scratch1 + ocall read_8 + cycles 1 + or scratch1 tmp tmp + mov tmp scratch1 + z80_store_index + +ddcb 11BBB110 set_ixd + local tmp 8 + z80_set_index B tmp + +ddcb 11BBBRRR set_ixd_reg + z80_set_index B main.R + +fdcb 11BBB110 set_iyd + local tmp 8 + z80_set_index B tmp + +fdcb 11BBBRRR set_iyd_reg + z80_set_index B main.R \ No newline at end of file