diff options
author | Derrick Renaud <derrickr@mamedev.org> | 2009-10-03 13:22:38 +0000 |
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committer | Derrick Renaud <derrickr@mamedev.org> | 2009-10-03 13:22:38 +0000 |
commit | abd2ff050631ff13f5830f58aafd544c5270b3b7 (patch) | |
tree | ddfdef3782fb3c019c1119fde1c6f29d61190573 /src/emu | |
parent | dffbe9eff3fc293b527b83205e437c8fee2ec041 (diff) |
Oops, fixed bad commit.
Diffstat (limited to 'src/emu')
-rw-r--r-- | src/emu/sound/discrete.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/emu/sound/discrete.h b/src/emu/sound/discrete.h index 4ce2dbc6f82..29c88358192 100644 --- a/src/emu/sound/discrete.h +++ b/src/emu/sound/discrete.h @@ -840,6 +840,36 @@ * * EXAMPLES: see Polaris, Amazing Maze * + * -------------------------------------------------- + * + * DISC_OP_AMP_OSCILLATOR_2 | DISC_OP_AMP_IS_NORTON + * Basic Norton Op Amp Oscillator circuit. + * + * .-------------------------------------------> DISC_OP_AMP_OSCILLATOR_OUT_CAP + * | + * | r1 + * +------ZZZZ-----. + * | | + * | |\ | + * | r2 | \ | + * +---ZZZZ--|- \ | + * | | >-+-------> DISC_OP_AMP_OSCILLATOR_OUT_SQW + * --- |+ / | + * --- .---| / | + * | | |/ | + * gnd | | + * | r3 | + * +--ZZZZ---' + * | + * Z + * Z r4 + * Z + * | + * ^ + * vP + * + * EXAMPLES: see Space Walk + * *********************************************************************** * * DISCRETE_OP_AMP_VCOn - Various single power supply op-amp VCO circuits |