Macros
#define	C8_STATIC static

#define	C8_INLINE inline

#define	C8_VERSION "unknown"
	Version of libc8.

#define	C8_X(i) ((i & 0x0F00) >> 8)
	Get "x" value of the given opcode.

#define	C8_Y(i) ((i & 0x00F0) >> 4)
	Get "y" value of the given opcode.

#define	C8_NNN(i) (i & 0x0FFF)
	Get "nnn" value of the given opcode.

#define	C8_A(i) ((i & 0xF000) >> 12)
	Get "a" value of the given opcode.

#define	C8_B(i) (i & 0x000F)
	Get "b" value of the given opcode.

#define	C8_KK(i) (i & 0x00FF)
	Get "kk" value of the given opcode.

#define	C8_EXPAND(i)
	Define variables for conventional sections of opcode (x, y, nnn, a, b, and kk).

#define	C8_PROG_START 0x200
	Program start address.

#define	C8_MEMSIZE 0x1000
	Total memory size.

Detailed Description

Base CHIP-8 definitions/macros

Macro Definition Documentation

◆ C8_A

#define C8_A ( i ) ((i & 0xF000) >> 12)

Get "a" value of the given opcode.

◆ C8_B

#define C8_B ( i ) (i & 0x000F)

Get "b" value of the given opcode.

◆ C8_EXPAND

#define C8_EXPAND ( i )

Value:

    uint8_t  x   = C8_X(i);                                                                        \
    uint8_t  y   = C8_Y(i);                                                                        \
    uint16_t nnn = C8_NNN(i);                                                                      \
    uint8_t  a   = C8_A(i);                                                                        \
    uint8_t  b   = C8_B(i);                                                                        \
    uint8_t  kk  = C8_KK(i);

Define variables for conventional sections of opcode (x, y, nnn, a, b, and kk).

◆ C8_INLINE

#define C8_INLINE inline

◆ C8_KK

#define C8_KK ( i ) (i & 0x00FF)

Get "kk" value of the given opcode.

◆ C8_MEMSIZE

#define C8_MEMSIZE 0x1000

Total memory size.

◆ C8_NNN

#define C8_NNN ( i ) (i & 0x0FFF)

Get "nnn" value of the given opcode.

◆ C8_PROG_START

#define C8_PROG_START 0x200

Program start address.

◆ C8_STATIC

#define C8_STATIC static

◆ C8_VERSION

#define C8_VERSION "unknown"

Version of libc8.

◆ C8_X

#define C8_X ( i ) ((i & 0x0F00) >> 8)

Get "x" value of the given opcode.

◆ C8_Y

#define C8_Y ( i ) ((i & 0x00F0) >> 4)

Get "y" value of the given opcode.

Macros