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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-03-16 00:06:05 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-03-16 00:06:05 +0000 |
| commit | 586a725f04ff196e58e5eea642ffe1efad1c03da (patch) | |
| tree | 9570d747aa8d750fc261abfb3e9e67155d38fcdc /nuttx/arch/z80/include | |
| parent | 66078ce7c851b1718be106e3c780db8d597689cf (diff) | |
| download | nuttx-586a725f04ff196e58e5eea642ffe1efad1c03da.tar.gz nuttx-586a725f04ff196e58e5eea642ffe1efad1c03da.tar.bz2 nuttx-586a725f04ff196e58e5eea642ffe1efad1c03da.zip | |
First cut at ez80 boot logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@736 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/z80/include')
| -rw-r--r-- | nuttx/arch/z80/include/ez80/irq.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/nuttx/arch/z80/include/ez80/irq.h b/nuttx/arch/z80/include/ez80/irq.h index 96cb54f08..b63ac7aef 100644 --- a/nuttx/arch/z80/include/ez80/irq.h +++ b/nuttx/arch/z80/include/ez80/irq.h @@ -143,8 +143,9 @@ #ifdef CONFIG_EZ80_Z80MODE /* Byte offsets */ -# define XCPT_I16_OFFSET (2*XCPT_I) /* Offset 0: 16-bit interrupt vector register */ -# define XCPT_I_OFFSET (2*XCPT_I+1) /* Offset 1: 8-bit interrupt vector register */ +# define XCPT_I_OFFSET (2*XCPT_I) /* Offset 0: 16-bit interrupt vector register */ +# define XCPT_IF_OFFSET (2*XCPT_I+0) /* Offset 1: Saved flags. P set if interrupts enabled */ +# define XCPT_IA_OFFSET (2*XCPT_I+1) /* Offset 2: Saved lower 8-bits of interrupt vector register */ # define XCPT_BC_OFFSET (2*XCPT_BC) /* Offset 2: Saved 16-bit BC register */ # define XCPT_C_OFFSET (2*XCPT_BC+0) /* Offset 2: Saved 8-bit C register */ # define XCPT_B_OFFSET (2*XCPT_BC+1) /* Offset 3: Saved 8-bit D register */ @@ -165,8 +166,9 @@ #else /* Byte offsets */ -# define XCPT_I24_OFFSET (3*XCPT_I) /* Offset 0: Saved 24-bit interrupt vector register */ -# define XCPT_I_OFFSET (3*XCPT_I+2) /* Offset 2: Saved 8-bit interrupt vector register */ +# 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_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 */ |