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Fix sound buffer address in BootBeep

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This commit is contained in:
Jeff Epler 2025-03-20 13:44:59 -05:00
parent 4dea595da2
commit e2a74064a0
2 changed files with 6 additions and 0 deletions
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3
include/umac.h
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@ -56,6 +56,9 @@ static inline unsigned int umac_get_fb_offset(void)
#if ENABLE_AUDIO
#define umac_get_audio_offset() (RAM_SIZE - 768)
#define umac_get_audio_offset_end() (RAM_SIZE - 768 + 2 * 370)
extern unsigned first_audio_sample;
#define umac_get_first_audio_sample() (first_audio_sample)
#define umac_reset_first_audio_sample() (first_audio_sample = 0, (void)0)
void umac_audio_trap();
void umac_audio_cfg(int volume, int sndres);

3
src/rom.c
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@ -116,6 +116,9 @@ static void rom_patch_plusv3(uint8_t *rom_base)
* allowing the ROM checksum to fail (it returns failure, then
* we carry on). This avoids wild RAM addrs being accessed.
*/
/* Fix up the sound buffer as used by BootBeep */
ROM_WR32(0x292, RAM_SIZE - 768);
#endif
#if DISP_WIDTH != 512 || DISP_HEIGHT != 342