Mercurial > repos > blastem
changeset 1760:95e36a227c9d
Add emulated MHz output to blastcpm
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Tue, 19 Feb 2019 22:51:53 -0800 |
| parents | 6e4faa10f9ee |
| children | 873a1330c3a9 |
| files | blastcpm.c |
| diffstat | 1 files changed, 14 insertions(+), 0 deletions(-) [+] |
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--- a/blastcpm.c Tue Feb 19 22:51:33 2019 -0800 +++ b/blastcpm.c Tue Feb 19 22:51:53 2019 -0800 @@ -2,6 +2,7 @@ #include <stdlib.h> #include <stddef.h> #include <string.h> +#include <time.h> #include <sys/select.h> #ifdef NEW_CORE @@ -61,8 +62,18 @@ return select(fileno(stdin)+1, &read_fds, NULL, NULL, &timeout) > 0; } +time_t start; +uint64_t total_cycles; void *exit_write(uint32_t address, void *context, uint8_t value) { + time_t duration = time(NULL) - start; + z80_context *z80 = context; +#ifdef NEW_CORE + total_cycles += z80->cycles; +#else + total_cycles += context->current_cycle; +#endif + printf("Effective clock speed: %f MHz\n", ((double)total_cycles) / (1000000.0 * duration)); exit(0); return context; } @@ -109,13 +120,16 @@ z80_context *context; init_z80_opts(&opts, z80_map, 1, io_map, 3, 1, 0xFF); context = init_z80_context(&opts); + start = time(NULL); for(;;) { #ifdef NEW_CORE z80_execute(context, 1000000); + total_cycles += context->cycles; context->cycles = 0; #else z80_run(context, 1000000); + total_cycles += context->current_cycle; context->current_cycle = 0; #endif