diff options
| author | Michael Pavone <pavone@retrodev.com> | 2019-02-19 22:51:33 -0800 |
|---|---|---|
| committer | Michael Pavone <pavone@retrodev.com> | 2019-02-19 22:51:33 -0800 |
| commit | a7792f6ea9784f9a085ecb50861f32082aa53518 (patch) | |
| tree | e64293a6810c08026697c807843c8e8c3f6e3c98 /z80.cpu | |
| parent | 405fd7b0318a6982339ef89ef1c066754adab1ee (diff) | |
Store sync_cycle in context rather than in a local in CPU DSL. Fix the timing of a number of instructions in new Z80 core
Diffstat (limited to 'z80.cpu')
| -rw-r--r-- | z80.cpu | 19 |
1 files changed, 15 insertions, 4 deletions
@@ -25,6 +25,7 @@ declare void zinsert_breakpoint(z80_context * context, uint16_t address, uint8_t * bp_handler); void zremove_breakpoint(z80_context * context, uint16_t address); void z80_options_free(z80_options *opts); + void z80_sync_cycle(z80_context *context, uint32_t target_cycle); regs main 8 b c d e h l f a @@ -83,6 +84,7 @@ z80_op_fetch add 1 pc pc z80_run_op + printf "Z80: %X @ %d\n" pc cycles #printf "Z80: %X - A: %X, B: %X, C: %X D: %X, E: %X, H: %X, L: %X, SP: %X, IX: %X, IY: %X @ %d\n" pc a b c d e h l sp ix iy cycles z80_op_fetch dispatch scratch1 @@ -856,6 +858,7 @@ z80_add16_hl update_flags YHXN0C mov hlt l lsr hlt 8 h + cycles 7 00001001 add_hl_bc local hlw 16 @@ -888,40 +891,48 @@ dd 00001001 add_ix_bc or c scratch1 scratch1 add scratch1 ix ix update_flags YHXN0C + cycles 7 dd 00011001 add_ix_de lsl d 8 scratch1 or e scratch1 scratch1 add scratch1 ix ix update_flags YHXN0C + cycles 7 dd 00101001 add_ix_ix add ix ix ix update_flags YHXN0C + cycles 7 dd 00111001 add_ix_sp add sp ix ix update_flags YHXN0C + cycles 7 fd 00001001 add_iy_bc lsl b 8 scratch1 or c scratch1 scratch1 add scratch1 iy iy update_flags YHXN0C + cycles 7 fd 00011001 add_iy_de lsl d 8 scratch1 or e scratch1 scratch1 add scratch1 iy iy update_flags YHXN0C + cycles 7 fd 00101001 add_iy_iy add iy iy iy update_flags YHXN0C + cycles 7 fd 00111001 add_iy_sp add sp iy iy update_flags YHXN0C + cycles 7 10001RRR adc_reg adc a main.R a @@ -1387,6 +1398,7 @@ fd 00110100 inc_iyd z80_inc_pair arg high 8 arg low 8 + cycles 2 local word 16 lsl high 8 word or low word word @@ -1484,6 +1496,7 @@ z80_dec_pair sub 1 word word mov word low lsr word 8 high + cycles 2 00001011 dec_bc z80_dec_pair b c @@ -1655,7 +1668,6 @@ fd 11101001 jp_iy 11001001 ret local pch 16 - cycles 1 meta high pch meta low pc z80_pop @@ -2169,6 +2181,7 @@ cb 01BBBRRR bit_reg cb 01BBB110 bit_hl local tmp 8 z80_fetch_hl + cycles 1 lsl 1 B tmp lsr wz 8 last_flag_result and scratch1 tmp tmp @@ -2284,7 +2297,7 @@ z80_fetch_mod_hl mov tmp l lsr tmp 8 h ocall read_8 - cycles 1 + cycles 2 z80_ldd_ldi arg change 16 @@ -2317,8 +2330,6 @@ z80_ldd_ldi mov c pvflag or b pvflag pvflag - cycles 5 - ed 10100000 ldi z80_ldd_ldi 1 |