increment the emu's sample count between audio callbacks as per the virtual clock, to aid programs that poll it

1 files changed, 5 insertions, 0 deletions

diff --git a/emu8k.h b/emu8k.h
index 86b8e58..01782a9 100644
--- a/emu8k.h
+++ b/emu8k.h
@@ -61,6 +61,11 @@ void emu8k_outb(emu8k_t *emu8k, uint16_t addr, uint8_t val);
 
 void emu8k_render(emu8k_t *emu8k, int16_t *buf, size_t frames);
 
+/** Between calls to emu8k_render, the virtual sample count is used to keep the "sample count" register ticking at a reasonable pace. */
+void emu8k_update_virtual_sample_count(emu8k_t *emu8k, uint8_t sample_count);
+/*  Many programs seem to rely in this counter incrementing frequently, and may hang/error out if it doesn't.
+ *  It is reset to 0 whenever we render and therefore increment the real sample count.
+ *  This means that effectively the sample count register may readjust itself (go back or jump ahead) on _render :(. */
 
 #ifdef __cplusplus
 } /* extern "C" */