VOLATILE_REF8
#define COM_DATA VOLATILE_REF8(uart + 0x00)
#define COM_IIR VOLATILE_REF8(uart + 0x08)
#define COM_LSR VOLATILE_REF8(uart + 0x14)
buf[off] = VOLATILE_REF8(mem + off);
reg = VOLATILE_REF8(_uart_base + 0x14);
uint8_t reg = VOLATILE_REF8(_uart_base + 0x08);
VOLATILE_REF8(_uart_base + 0x00) =
VOLATILE_REF8(fbaddr_v + 0x200 + j * 640 + k)
VOLATILE_REF8(fbaddr_v + 0x200 + j * 640 + k) = 0x3;
reg = VOLATILE_REF8(_uart_base + 0x20);
VOLATILE_REF8(_uart_base + 0x14) =
while ((VOLATILE_REF8(HD64465_ULSR_REG8) & LSR_TXRDY) == 0)
VOLATILE_REF8(HD64465_UTBR_REG8) = (c); \