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amstrad: Return 0xFF on PPI port A when the PSG is inactive. Fixes Puzzle Bobble.
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@ -843,7 +843,7 @@ WRITE_LINE_MEMBER(amstrad_state::amstrad_hsync_changed)
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{
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{
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amstrad_update_video();
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amstrad_update_video();
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/* The gate array reacts to de-assertion of the hsycnc 6845 line */
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/* The gate array reacts to de-assertion of the hsync 6845 line */
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if ( m_gate_array.hsync && !state )
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if ( m_gate_array.hsync && !state )
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{
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{
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m_gate_array.hsync_counter++;
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m_gate_array.hsync_counter++;
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@ -2503,6 +2503,7 @@ void amstrad_state::update_psg()
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{
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{
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case 0:
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case 0:
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{/* Inactive */
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{/* Inactive */
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m_ppi_port_inputs[amstrad_ppi_PortA] = 0xff;
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} break;
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} break;
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case 1:
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case 1:
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{/* b6 = 1 ? : Read from selected PSG register and make the register data available to PPI Port A */
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{/* b6 = 1 ? : Read from selected PSG register and make the register data available to PPI Port A */
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