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Fix skyraid compile.

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This commit is contained in:
Couriersud 2011-01-15 19:22:03 +00:00
parent 1742d9e651
commit 5ffcb68d82
1 changed files with 13 additions and 20 deletions
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33
src/mame/audio/skyraid.c
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@ -141,47 +141,40 @@ static const discrete_mixer_desc skyraid_mixer =
#define SKYRAID_MISSLE_CUSTOM_R3 DISCRETE_INPUT(3)
#define SKYRAID_MISSLE_CUSTOM_C DISCRETE_INPUT(4)
struct skyraid_missle_custom_charge_context
{
double v_charge[2];
double v_cap;
double exp[2];
};
DISCRETE_CLASS_STEP_RESET(skyraid_missle_custom_charge, sizeof(struct skyraid_missle_custom_charge_context), 2);
DISCRETE_CLASS_STEP_RESETA(skyraid_missle_custom_charge, 2,
double m_v_charge[2];
double m_v_cap;
double m_exp[2];
);
/* the high charge is clamped by the diode to 0.7V above the 5V line */
#define SKYRAID_MISSLE_CHARGE_PLUS (5.0 + 0.7)
DISCRETE_STEP( skyraid_missle_custom_charge )
{
DISCRETE_DECLARE_CONTEXT(skyraid_missle_custom_charge)
int in_1 = (SKYRAID_MISSLE_CUSTOM_IN1 == 0) ? 0 : 1;
/* charge/discharge cap */
context->v_cap += (context->v_charge[in_1] - context->v_cap) * context->exp[in_1];
m_v_cap += (m_v_charge[in_1] - m_v_cap) * m_exp[in_1];
this->output[0] = SKYRAID_MISSLE_CHARGE_PLUS - context->v_cap;
this->output[0] = SKYRAID_MISSLE_CHARGE_PLUS - m_v_cap;
}
DISCRETE_RESET( skyraid_missle_custom_charge )
{
DISCRETE_DECLARE_CONTEXT(skyraid_missle_custom_charge)
/* everything is based on the input to the O.C. inverter */
/* the charging voltage across the cap */
context->v_charge[0] = 0;
context->v_charge[1] = SKYRAID_MISSLE_CHARGE_PLUS * RES_VOLTAGE_DIVIDER(SKYRAID_MISSLE_CUSTOM_R1 + SKYRAID_MISSLE_CUSTOM_R2, SKYRAID_MISSLE_CUSTOM_R3);
context->v_charge[1] = SKYRAID_MISSLE_CHARGE_PLUS - context->v_charge[1];
context->v_cap = 0;
m_v_charge[0] = 0;
m_v_charge[1] = SKYRAID_MISSLE_CHARGE_PLUS * RES_VOLTAGE_DIVIDER(SKYRAID_MISSLE_CUSTOM_R1 + SKYRAID_MISSLE_CUSTOM_R2, SKYRAID_MISSLE_CUSTOM_R3);
m_v_charge[1] = SKYRAID_MISSLE_CHARGE_PLUS - m_v_charge[1];
m_v_cap = 0;
/* precalculate charging exponents */
/* discharge cap */
context->exp[0] = RC_CHARGE_EXP_CLASS(SKYRAID_MISSLE_CUSTOM_R2 * SKYRAID_MISSLE_CUSTOM_C);
m_exp[0] = RC_CHARGE_EXP_CLASS(SKYRAID_MISSLE_CUSTOM_R2 * SKYRAID_MISSLE_CUSTOM_C);
/* charge cap */
context->exp[1] = RC_CHARGE_EXP_CLASS(RES_2_PARALLEL(SKYRAID_MISSLE_CUSTOM_R1 + SKYRAID_MISSLE_CUSTOM_R2, SKYRAID_MISSLE_CUSTOM_R3) * SKYRAID_MISSLE_CUSTOM_C);
m_exp[1] = RC_CHARGE_EXP_CLASS(RES_2_PARALLEL(SKYRAID_MISSLE_CUSTOM_R1 + SKYRAID_MISSLE_CUSTOM_R2, SKYRAID_MISSLE_CUSTOM_R3) * SKYRAID_MISSLE_CUSTOM_C);
/* starts at full voltage until cap starts charging */
this->output[0] = SKYRAID_MISSLE_CHARGE_PLUS;