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Commit e767ef1b authored by rswindell's avatar rswindell
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Added comment for THRE bit in IIR.

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src/sbbs3/uartdefs.h
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...@@ -59,7 +59,7 @@ const char* uart_reg_desc[] = { "base", "IER", "IIR", "LCR", "MCR", "LSR", "MSR" ...@@ -59,7 +59,7 @@ const char* uart_reg_desc[] = { "base", "IER", "IIR", "LCR", "MCR", "LSR", "MSR"
#define UART_IIR_MODEM_STATUS 0x00 #define UART_IIR_MODEM_STATUS 0x00
#define UART_IIR_NONE 0x01 /* Bit 0=0, Interrupt Pending */ #define UART_IIR_NONE 0x01 /* Bit 0=0, Interrupt Pending */
#define UART_IIR_TX_EMPTY 0x02 #define UART_IIR_TX_EMPTY 0x02 /* THRE (Transmit Holding Register Empty) */
#define UART_IIR_RX_DATA 0x04 #define UART_IIR_RX_DATA 0x04
#define UART_IIR_LINE_STATUS 0x06 #define UART_IIR_LINE_STATUS 0x06
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