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audio: SN76496 fixes

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This commit is contained in:
kub 2020-04-24 19:05:27 +02:00
parent fe43bdc334
commit 70aecd15b0
5 changed files with 43 additions and 10 deletions
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2
pico/memory.c
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@ -883,7 +883,7 @@ static void m68k_mem_setup(void)
static int get_scanline(int is_from_z80)
{
if (is_from_z80) {
int mclk_z80 = z80_cyclesDone() * 15;
int mclk_z80 = (z80_cyclesLeft<0 ? Pico.t.z80c_aim : z80_cyclesDone()) * 15;
int mclk_line = Pico.t.z80_scanline * 488 * 7;
while (mclk_z80 - mclk_line >= 488 * 7)
Pico.t.z80_scanline++, mclk_line += 488 * 7;