Renesas SuperH SH-4A, Software Manual

Page: 342 / 472

Rev. 1.50, 10/04, page 322 of 448
Notes: STC/STC.L can only be used in privileged mode excepting STC GBR, Rn/STC.L GBR,
@-Rn. Use of these instructions in user mode will cause illegal instruction exceptions.
Operation:
STCGBR(int n) /* STC GBR,Rn */
{
R[n] = GBR;
PC += 2;
}
STCVBR(int n) /* STC VBR,Rn : Privileged */
{
R[n] = VBR;
PC += 2;
}
STCSSR(int n) /* STC SSR,Rn : Privileged */
{
R[n] = SSR;
PC += 2;
}
STCSPC(int n) /* STC SPC,Rn : Privileged */
{
R[n] = SPC;
PC += 2;
}
STCSGR(int n) /* STC SGR,Rn : Privileged */
{
R[n] = SGR;
PC += 2;
}
STCDBR(int n) /* STC DBR,Rn : Privileged */
{
R[n] = DBR;
PC += 2;
}