shithub: purgatorio

ref: a39ae178fcc4387fe63efea4d15b34d52f4a13de
dir: /os/boot/puma/outb.c/

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typedef	unsigned short	ushort;
typedef	unsigned char	uchar;

enum {
	IsaIOBase		= 0xf0000000,
	IsaMemBase	= 0xe0000000,

	IOBase		= 0x300,
	MemBase		= 0xc0000,

	TxFrame		= 0x0a00,
};

#define	regw(reg, val)		*((ushort *)IsaMemBase + MemBase + (reg)) = (val)

void
main(void)
{
	regw(TxFrame, 0x1234);
}