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comparison z80.cpu @ 1759:6e4faa10f9ee

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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
author Michael Pavone <pavone@retrodev.com>
date Tue, 19 Feb 2019 22:51:33 -0800
parents 093e323dc683
children 7e97d820b491
comparison
equal deleted inserted replaced
1757:bb4d19c7c047 1759:6e4faa10f9ee
23 void z80_serialize(z80_context *context, serialize_buffer *buf); 23 void z80_serialize(z80_context *context, serialize_buffer *buf);
24 void z80_deserialize(deserialize_buffer *buf, void *vcontext); 24 void z80_deserialize(deserialize_buffer *buf, void *vcontext);
25 void zinsert_breakpoint(z80_context * context, uint16_t address, uint8_t * bp_handler); 25 void zinsert_breakpoint(z80_context * context, uint16_t address, uint8_t * bp_handler);
26 void zremove_breakpoint(z80_context * context, uint16_t address); 26 void zremove_breakpoint(z80_context * context, uint16_t address);
27 void z80_options_free(z80_options *opts); 27 void z80_options_free(z80_options *opts);
28 void z80_sync_cycle(z80_context *context, uint32_t target_cycle);
28 29
29 regs 30 regs
30 main 8 b c d e h l f a 31 main 8 b c d e h l f a
31 alt 8 b' c' d' e' h' l' f' a' 32 alt 8 b' c' d' e' h' l' f' a'
32 i 8 33 i 8
81 mov pc scratch1 82 mov pc scratch1
82 ocall read_8 83 ocall read_8
83 add 1 pc pc 84 add 1 pc pc
84 85
85 z80_run_op 86 z80_run_op
87 printf "Z80: %X @ %d\n" pc cycles
86 #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 88 #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
87 z80_op_fetch 89 z80_op_fetch
88 dispatch scratch1 90 dispatch scratch1
89 91
90 z80_interrupt 92 z80_interrupt
854 add 1 hlt wz 856 add 1 hlt wz
855 add src hlt hlt 857 add src hlt hlt
856 update_flags YHXN0C 858 update_flags YHXN0C
857 mov hlt l 859 mov hlt l
858 lsr hlt 8 h 860 lsr hlt 8 h
861 cycles 7
859 862
860 00001001 add_hl_bc 863 00001001 add_hl_bc
861 local hlw 16 864 local hlw 16
862 local bcw 16 865 local bcw 16
863 meta hlt hlw 866 meta hlt hlw
886 dd 00001001 add_ix_bc 889 dd 00001001 add_ix_bc
887 lsl b 8 scratch1 890 lsl b 8 scratch1
888 or c scratch1 scratch1 891 or c scratch1 scratch1
889 add scratch1 ix ix 892 add scratch1 ix ix
890 update_flags YHXN0C 893 update_flags YHXN0C
894 cycles 7
891 895
892 dd 00011001 add_ix_de 896 dd 00011001 add_ix_de
893 lsl d 8 scratch1 897 lsl d 8 scratch1
894 or e scratch1 scratch1 898 or e scratch1 scratch1
895 add scratch1 ix ix 899 add scratch1 ix ix
896 update_flags YHXN0C 900 update_flags YHXN0C
901 cycles 7
897 902
898 dd 00101001 add_ix_ix 903 dd 00101001 add_ix_ix
899 add ix ix ix 904 add ix ix ix
900 update_flags YHXN0C 905 update_flags YHXN0C
906 cycles 7
901 907
902 dd 00111001 add_ix_sp 908 dd 00111001 add_ix_sp
903 add sp ix ix 909 add sp ix ix
904 update_flags YHXN0C 910 update_flags YHXN0C
911 cycles 7
905 912
906 fd 00001001 add_iy_bc 913 fd 00001001 add_iy_bc
907 lsl b 8 scratch1 914 lsl b 8 scratch1
908 or c scratch1 scratch1 915 or c scratch1 scratch1
909 add scratch1 iy iy 916 add scratch1 iy iy
910 update_flags YHXN0C 917 update_flags YHXN0C
918 cycles 7
911 919
912 fd 00011001 add_iy_de 920 fd 00011001 add_iy_de
913 lsl d 8 scratch1 921 lsl d 8 scratch1
914 or e scratch1 scratch1 922 or e scratch1 scratch1
915 add scratch1 iy iy 923 add scratch1 iy iy
916 update_flags YHXN0C 924 update_flags YHXN0C
925 cycles 7
917 926
918 fd 00101001 add_iy_iy 927 fd 00101001 add_iy_iy
919 add iy iy iy 928 add iy iy iy
920 update_flags YHXN0C 929 update_flags YHXN0C
930 cycles 7
921 931
922 fd 00111001 add_iy_sp 932 fd 00111001 add_iy_sp
923 add sp iy iy 933 add sp iy iy
924 update_flags YHXN0C 934 update_flags YHXN0C
935 cycles 7
925 936
926 10001RRR adc_reg 937 10001RRR adc_reg
927 adc a main.R a 938 adc a main.R a
928 update_flags SZYHVXN0C 939 update_flags SZYHVXN0C
929 940
1385 z80_store_index 1396 z80_store_index
1386 1397
1387 z80_inc_pair 1398 z80_inc_pair
1388 arg high 8 1399 arg high 8
1389 arg low 8 1400 arg low 8
1401 cycles 2
1390 local word 16 1402 local word 16
1391 lsl high 8 word 1403 lsl high 8 word
1392 or low word word 1404 or low word word
1393 add 1 word word 1405 add 1 word word
1394 mov word low 1406 mov word low
1482 lsl high 8 word 1494 lsl high 8 word
1483 or low word word 1495 or low word word
1484 sub 1 word word 1496 sub 1 word word
1485 mov word low 1497 mov word low
1486 lsr word 8 high 1498 lsr word 8 high
1499 cycles 2
1487 1500
1488 00001011 dec_bc 1501 00001011 dec_bc
1489 z80_dec_pair b c 1502 z80_dec_pair b c
1490 1503
1491 00011011 dec_de 1504 00011011 dec_de
1653 lsl T 3 scratch1 1666 lsl T 3 scratch1
1654 mov scratch1 pc 1667 mov scratch1 pc
1655 1668
1656 11001001 ret 1669 11001001 ret
1657 local pch 16 1670 local pch 16
1658 cycles 1
1659 meta high pch 1671 meta high pch
1660 meta low pc 1672 meta low pc
1661 z80_pop 1673 z80_pop
1662 lsl pch 8 pch 1674 lsl pch 8 pch
1663 or pch pc pc 1675 or pch pc pc
2167 update_flags SZH1PN0 2179 update_flags SZH1PN0
2168 2180
2169 cb 01BBB110 bit_hl 2181 cb 01BBB110 bit_hl
2170 local tmp 8 2182 local tmp 8
2171 z80_fetch_hl 2183 z80_fetch_hl
2184 cycles 1
2172 lsl 1 B tmp 2185 lsl 1 B tmp
2173 lsr wz 8 last_flag_result 2186 lsr wz 8 last_flag_result
2174 and scratch1 tmp tmp 2187 and scratch1 tmp tmp
2175 update_flags SZH1PN0 2188 update_flags SZH1PN0
2176 2189
2282 mov tmp scratch1 2295 mov tmp scratch1
2283 add change tmp tmp 2296 add change tmp tmp
2284 mov tmp l 2297 mov tmp l
2285 lsr tmp 8 h 2298 lsr tmp 8 h
2286 ocall read_8 2299 ocall read_8
2287 cycles 1 2300 cycles 2
2288 2301
2289 z80_ldd_ldi 2302 z80_ldd_ldi
2290 arg change 16 2303 arg change 16
2291 local tmp 16 2304 local tmp 16
2292 local tmp8 8 2305 local tmp8 8
2314 2327
2315 mov tmp c 2328 mov tmp c
2316 lsr tmp 8 b 2329 lsr tmp 8 b
2317 mov c pvflag 2330 mov c pvflag
2318 or b pvflag pvflag 2331 or b pvflag pvflag
2319
2320 cycles 5
2321 2332
2322 2333
2323 ed 10100000 ldi 2334 ed 10100000 ldi
2324 z80_ldd_ldi 1 2335 z80_ldd_ldi 1
2325 2336