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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit ed83ee267536c5cd0e66fa90b3cbf803b1c42028
Author: Byron Ellacott <c...@bje.id.au>
AuthorDate: Wed Feb 17 17:36:41 2021 +1000
eZ80: update register offsets
---
arch/z80/include/ez80/irq.h | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/z80/include/ez80/irq.h b/arch/z80/include/ez80/irq.h
index 63efee9..29097ee 100644
--- a/arch/z80/include/ez80/irq.h
+++ b/arch/z80/include/ez80/irq.h
@@ -218,23 +218,23 @@
/* Byte offsets */
# define XCPT_I_OFFSET (3*XCPT_I) /* Offset 0: Saved 24-bit interrupt
vector register */
-# define XCPT_IF_OFFSET (2*XCPT_I+1) /* Offset 1: Saved flags. P set if
interrupts enabled */
-# define XCPT_IA_OFFSET (2*XCPT_I+2) /* Offset 2: Saved lower 8-bits of
interrupt vector register */
+# define XCPT_IF_OFFSET (3*XCPT_I+0) /* Offset 0: Saved flags. P set if
interrupts enabled */
+# define XCPT_IA_OFFSET (3*XCPT_I+1) /* Offset 1: Saved lower 8-bits of
interrupt vector register */
# define XCPT_BC_OFFSET (3*XCPT_BC) /* Offset 3: Saved 24-bit BC register
*/
-# define XCPT_C_OFFSET (3*XCPT_BC+1) /* Offset 4: Saved 8-bit C register */
-# define XCPT_B_OFFSET (3*XCPT_BC+2) /* Offset 5: Saved 8-bit D register */
+# define XCPT_C_OFFSET (3*XCPT_BC+0) /* Offset 3: Saved 8-bit C register */
+# define XCPT_B_OFFSET (3*XCPT_BC+1) /* Offset 4: Saved 8-bit B register */
# define XCPT_DE_OFFSET (3*XCPT_DE) /* Offset 6: Saved 24-bit DE register
*/
-# define XCPT_E_OFFSET (3*XCPT_DE+1) /* Offset 7: Saved 8-bit E register */
-# define XCPT_D_OFFSET (3*XCPT_DE+2) /* Offset 8: Saved 8-bit D register */
+# define XCPT_E_OFFSET (3*XCPT_DE+0) /* Offset 6: Saved 8-bit E register */
+# define XCPT_D_OFFSET (3*XCPT_DE+1) /* Offset 7: Saved 8-bit D register */
# define XCPT_IX_OFFSET (3*XCPT_IX) /* Offset 9: Saved 24-bit IX register
*/
# define XCPT_IY_OFFSET (3*XCPT_IY) /* Offset 12: Saved 24-bit IY
register */
# define XCPT_SP_OFFSET (3*XCPT_SP) /* Offset 15: Saved 24-bit SP at time
of interrupt */
# define XCPT_HL_OFFSET (3*XCPT_HL) /* Offset 18: Saved 24-bit HL
register */
-# define XCPT_L_OFFSET (3*XCPT_HL+1) /* Offset 19: Saved 8-bit L register
*/
-# define XCPT_H_OFFSET (3*XCPT_HL+2) /* Offset 20: Saved 8-bit H register
*/
+# define XCPT_L_OFFSET (3*XCPT_HL+0) /* Offset 18: Saved 8-bit L register
*/
+# define XCPT_H_OFFSET (3*XCPT_HL+1) /* Offset 19: Saved 8-bit H register
*/
# define XCPT_AF_OFFSET (3*XCPT_AF) /* Offset 21: Saved AF register */
-# define XCPT_F_OFFSET (3*XCPT_AF+1) /* Offset 22: Saved AF register */
-# define XCPT_A_OFFSET (3*XCPT_AF+2) /* Offset 23: Saved 8-bit A register
*/
+# define XCPT_F_OFFSET (3*XCPT_AF+0) /* Offset 21: Saved AF register */
+# define XCPT_A_OFFSET (3*XCPT_AF+1) /* Offset 22: Saved 8-bit A register
*/
# define XCPT_PC_OFFSET (3*XCPT_PC) /* Offset 24: Offset to 24-bit PC at
time of interrupt */
# define XCPTCONTEXT_SIZE (3*XCPTCONTEXT_REGS)
#endif
