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Fix led 30 layout issues. #14494

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Fix led 30 layout issues. #14494

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3cf15a9
Hook up the led 31
flama12333 Nov 8, 2025
5766d5b
Add void p3_port_w(uint8_t data);
flama12333 Nov 8, 2025
579a87d
add notes in p3_port_w function marywu.cpp
flama12333 Nov 8, 2025
3d72c2d
replace (FUNC(p3_port_w)); to marywu_state::p3_port_w
flama12333 Nov 8, 2025
a3b8371
Change uint8_t i = 0; i < 0; i++) to (uint8_t i = 0; i < 6; i++) in …
flama12333 Nov 9, 2025
09845f3
Remove p3_port_w function
flama12333 Nov 9, 2025
ed56445
Change LED output and uint8_t in ay2_port_b_w
flama12333 Nov 9, 2025
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6 changes: 3 additions & 3 deletions src/mame/misc/marywu.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -52,14 +52,14 @@ class marywu_state : public driver_device
void ay1_port_b_w(uint8_t data);
void ay2_port_a_w(uint8_t data);
void ay2_port_b_w(uint8_t data);
uint8_t keyboard_r();
uint8_t keyboard_r();
void data_map(address_map &map) ATTR_COLD;
void program_map(address_map &map) ATTR_COLD;

uint8_t m_selected_7seg_module = 0;

output_finder<32> m_digits;
output_finder<30> m_leds;
output_finder<31> m_leds;
required_ioport_array<4> m_inputs;
};

Expand Down Expand Up @@ -127,7 +127,7 @@ void marywu_state::ay2_port_a_w(uint8_t data)
void marywu_state::ay2_port_b_w(uint8_t data)
{
// we only have 30 LEDs. The last 2 bits in this port are unused.
for (uint8_t i = 0; i < 6; i++)
for (uint8_t i = 0; i < 7; i++)
m_leds[i + 24] = BIT(data, i);
}

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