Mercurial > repos > blastem
changeset 2525:1843adbe9899
Support VGM logging for Sega 8-bit systems
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Mon, 11 Nov 2024 10:30:56 -0800 |
| parents | 25e40370e0e4 |
| children | 9c6f53425140 |
| files | sms.c |
| diffstat | 1 files changed, 29 insertions(+), 0 deletions(-) [+] |
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--- a/sms.c Sat Oct 26 14:31:21 2024 -0700 +++ b/sms.c Mon Nov 11 10:30:56 2024 -0800 @@ -622,6 +622,9 @@ z80_adjust_cycles(sms->z80, adjust); vdp_adjust_cycles(sms->vdp, adjust); sms->psg->cycles -= adjust; + if (sms->psg->vgm) { + vgm_adjust_cycles(sms->psg->vgm, adjust); + } target_cycle -= adjust; } } @@ -886,6 +889,30 @@ #endif } +static void start_vgm_log(system_header *system, char *filename) +{ + sms_context *sms = (sms_context *)system; + //TODO: 50 Hz support + vgm_writer *vgm = vgm_write_open(filename, 60, sms->normal_clock, sms->z80->Z80_CYCLE); + if (vgm) { + printf("Started logging VGM to %s\n", filename); + psg_run(sms->psg, sms->z80->Z80_CYCLE); + psg_vgm_log(sms->psg, sms->normal_clock, vgm); + sms->header.vgm_logging = 1; + } else { + printf("Failed to start logging to %s\n", filename); + } +} + +static void stop_vgm_log(system_header *system) +{ + puts("Stopped VGM log"); + sms_context *sms = (sms_context *)system; + vgm_close(sms->psg->vgm); + sms->psg->vgm = NULL; + sms->header.vgm_logging = 0; +} + sms_context *alloc_configure_sms(system_media *media, uint32_t opts, uint8_t force_region) { sms_context *sms = calloc(1, sizeof(sms_context)); @@ -1018,6 +1045,8 @@ sms->header.config_updated = config_updated; sms->header.serialize = serialize; sms->header.deserialize = deserialize; + sms->header.start_vgm_log = start_vgm_log; + sms->header.stop_vgm_log = stop_vgm_log; sms->header.toggle_debug_view = toggle_debug_view; sms->header.type = SYSTEM_SMS;