Renesas M32R-FPU User Manual

3-116

M32R-FPU Software Manual (Rev.1.01)

TRAP

EIT-related instruction

Trap

[Mnemonic]

TRAP #imm4

[Function]

Trap occurrence

BPC = PC + 4;

BSM = SM;

BIE = IE;

BC = C ;

IE = 0;

C = 0;

call_trap_handler( imm4 );

[Description]

TRAP generates a trap with the trap number specified by the 4-bit immediate value.

IE and C bits are cleared to "0".

[EIT occurrence]

Trap (TRAP)

[Encoding]

0001

0000

1111

imm4

TRAP #imm4;

INSTRUCTIONS

3.2 Instruction description