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Fixed object motion decoding and checking of the repeat mask for missile graphics.
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@ -115,7 +115,7 @@ void Machine::update_upcoming_events()
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{
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{
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// otherwise visibility is determined by an appropriate repeat mask and hitting any of 12, 28 or 60,
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// otherwise visibility is determined by an appropriate repeat mask and hitting any of 12, 28 or 60,
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// in which case the counter reset (and hence the start of drawing) will occur in 4/5 cycles
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// in which case the counter reset (and hence the start of drawing) will occur in 4/5 cycles
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uint8_t repeatMask = _playerAndMissileSize[c] & 7;
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uint8_t repeatMask = _playerAndMissileSize[c&3] & 7;
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if(
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if(
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( _objectCounter[c] == 12 && ((repeatMask == 1) || (repeatMask == 3)) ) ||
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( _objectCounter[c] == 12 && ((repeatMask == 1) || (repeatMask == 3)) ) ||
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( _objectCounter[c] == 28 && ((repeatMask == 2) || (repeatMask == 3) || (repeatMask == 6)) ) ||
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( _objectCounter[c] == 28 && ((repeatMask == 2) || (repeatMask == 3) || (repeatMask == 6)) ) ||
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@ -129,7 +129,6 @@ void Machine::update_upcoming_events()
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}
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}
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_objectCounter[c] = (_objectCounter[c] + 1)%160;
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_objectCounter[c] = (_objectCounter[c] + 1)%160;
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// if(c == 0) printf(".");
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}
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}
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}
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}
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@ -290,7 +289,6 @@ void Machine::output_pixels(unsigned int count)
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{
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{
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_objectCounter[c] = (_objectCounter[c] + 1)%160;
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_objectCounter[c] = (_objectCounter[c] + 1)%160;
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_pixelCounter[c] ++; // TODO: this isn't always a straight increment
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_pixelCounter[c] ++; // TODO: this isn't always a straight increment
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// if(c == 0) printf("+");
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}
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}
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}
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}
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}
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}
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@ -342,7 +340,6 @@ void Machine::output_pixels(unsigned int count)
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_horizontalTimer = (_horizontalTimer + 1) % horizontalTimerPeriod;
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_horizontalTimer = (_horizontalTimer + 1) % horizontalTimerPeriod;
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if(!_horizontalTimer)
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if(!_horizontalTimer)
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{
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{
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// printf("\n");
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_vBlankExtend = false;
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_vBlankExtend = false;
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set_ready_line(false);
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set_ready_line(false);
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}
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}
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@ -543,7 +540,7 @@ unsigned int Machine::perform_bus_operation(CPU6502::BusOperation operation, uin
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case 0x22:
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case 0x22:
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case 0x23:
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case 0x23:
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case 0x24:
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case 0x24:
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_objectMotion[decodedAddress - 0x20] = (*value) & 0xf;
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_objectMotion[decodedAddress - 0x20] = (*value) >> 4;
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break;
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break;
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case 0x25: _playerGraphicsLatchEnable[0] = *value; break;
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case 0x25: _playerGraphicsLatchEnable[0] = *value; break;
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