Pipelined microarchitecture, which even almost works!

Includes such horrors as the "unstore" operation for undoing
autoincremented addresses on instructions subsequently found to be
bogus.

1 files changed, 4 insertions, 6 deletions

diff --git a/BigGolf b/BigGolf
index a358ed8..4e0e9d2 100644
--- a/BigGolf
+++ b/BigGolf
@@ -26,14 +26,16 @@ Memory transactions:       Opcodes that do it: (second set is the indirect versi
 
 
 
+            ----------------->
+Fetch -> Decode -> Indir -> Exec
+
+
 ┌─────┐       ┌──────┐                  ┌────┐
 │Fetch├──────►│Decode│               ┌─►│Exec│
 └─────┘       └──────┘               │  └────┘
                                      │
  next_pc   ┌───init_indirect_load    │  init_execution_store
            │   init_execution_load───┤  retire
-           │   init_execution_store  │
-           │   retire                │
            │   rubberband_stall(1/2) │
            │                         │
            │  ┌───────┐              │
@@ -42,16 +44,12 @@ Memory transactions:       Opcodes that do it: (second set is the indirect versi
                                      │
            ┌───init_autoinc_store    │
            │   init_execution_load───┤
-           │   init_execution_store  │
-           │   retire                │
            │                         │
            │  ┌─────┐                │
            └─►│Indir│                │
               └─────┘                │
                                      │
                init_execution_load───┘
-               init_execution_store
-               retire