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| author | Julian Blake Kongslie | 2022-10-29 18:18:26 -0700 |
|---|---|---|
| committer | Julian Blake Kongslie | 2022-10-29 18:18:26 -0700 |
| commit | 9f4aa97822adc791f700670ef0fc7636849563b7 (patch) | |
| tree | 0b9d6c1bb1d7d596501df3b77ab3d7b9f191aa4f /isa/ctlreg.def | |
| parent | Control register values should not be "unsigned int" (diff) | |
| download | biggolf-9f4aa97822adc791f700670ef0fc7636849563b7.tar.xz | |
Understanding interrupt handling within SIMH (see echo_int.pal)
Add list of Bugs
Add event log file parser
More changes associated with widening the ctlregs (FIXME add a typedef)
Add some keyboard instructions
Diffstat (limited to '')
| -rw-r--r-- | isa/ctlreg.def | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/isa/ctlreg.def b/isa/ctlreg.def new file mode 100644 index 0000000..c9eab05 --- /dev/null +++ b/isa/ctlreg.def | |||
| @@ -0,0 +1,8 @@ | |||
| 1 | REG(DATA_INSTRUCTION_FIELD_BUFFER) // (df << 3) | if_buffer | ||
| 2 | REG(DATA_INSTRUCTION_FIELD_SAVED) // (df_saved << 3) | if_saved | ||
| 3 | REG(HALTED) | ||
| 4 | REG(INT_ENABLE) // (int_enable_delay << 1) | int_enable | ||
| 5 | REG(INT_PENDING) // only meaningful if interrupts disabled | ||
| 6 | REG(TT_BITS) // see TT[IO]_* consts in isa/isa.h | ||
| 7 | REG(TT_INPUT_INT_ENABLE) // (status_enable << 1) | (int_enable) | ||
| 8 | REG(TT_OUTPUT_INT_ENABLE) | ||