diff options
Diffstat (limited to 'src/devices/machine/7400.h')
-rw-r--r-- | src/devices/machine/7400.h | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/src/devices/machine/7400.h b/src/devices/machine/7400.h index 0ea10e0149f..9766e001d55 100644 --- a/src/devices/machine/7400.h +++ b/src/devices/machine/7400.h @@ -2,11 +2,11 @@ // copyright-holders:Ryan Holtz /***************************************************************************** - 7400 Quad 2-Input NAND Gate + 7400 Quad 2-Input NAND Gate *********************************************************************** - Connection Diagram: + Connection Diagram: ___ ___ 1A 1 |* u | 14 Vcc 1B 2 | | 13 4B @@ -16,15 +16,15 @@ 2Y 6 | | 9 3A GND 7 |_______| 8 3Y - Truth Table: - ___________ - | A | B | Y | - |---|---|---| - | 0 | 0 | 0 | - | 0 | 1 | 0 | - | 1 | 0 | 0 | - | 1 | 1 | 1 | - |___|___|___| + Truth Table: + ___________ + | A | B | Y | + |---|---|---| + | 0 | 0 | 0 | + | 0 | 1 | 0 | + | 1 | 0 | 0 | + | 1 | 1 | 1 | + |___|___|___| **********************************************************************/ @@ -97,11 +97,11 @@ private: devcb_write_line m_y4_func; // inputs - uint8_t m_a; // pins 1,4,9,12 - uint8_t m_b; // pins 2,5,10,13 + uint8_t m_a; // pins 1,4,9,12 + uint8_t m_b; // pins 2,5,10,13 // outputs - uint8_t m_y; // pins 3,6,8,11 + uint8_t m_y; // pins 3,6,8,11 }; // device type definition |