3 files changed, 9 insertions, 5 deletions

diff --git a/io/event.h b/io/event.h
index 02f3fab..2da3323 100644
--- a/io/event.h
+++ b/io/event.h
@@ -1,14 +1,15 @@
 #pragma once
 
+#include <cstdint>
 #include <map>
 
 #include "isa/isa.h"
 
 struct event {
     ctlreg reg;
-    unsigned int mask;
-    unsigned int value;
-    event(ctlreg reg, unsigned int value, unsigned int mask=~0)
+    std::uint_fast32_t mask;
+    std::uint_fast32_t value;
+    event(ctlreg reg, std::uint_fast32_t value, std::uint_fast32_t mask=~0)
         : reg(reg)
         , mask(mask)
         , value(value)
diff --git a/io/model.cpp b/io/model.cpp
index d6e36f9..4b37be4 100644
--- a/io/model.cpp
+++ b/io/model.cpp
@@ -6,7 +6,7 @@
 #include "io/model.h"
 #include "isa/isa.h"
 
-bool iomodel::interact(std::array<unsigned int, NUM_CTLREGS> &ctlregs) {
+bool iomodel::interact(std::array<std::uint_fast32_t, NUM_CTLREGS> &ctlregs) {
     auto [ebegin, eend] = log.equal_range(time);
     for (auto e = ebegin; e != eend; ++e) {
         auto &r = ctlregs[e->second.reg];
diff --git a/io/model.h b/io/model.h
index c7199ea..8758a43 100644
--- a/io/model.h
+++ b/io/model.h
@@ -2,6 +2,7 @@
 
 #include <array>
 #include <cstdint>
+#include <istream>
 
 #include "io/event.h"
 #include "isa/isa.h"
@@ -11,5 +12,7 @@ struct iomodel {
 
     event_log log;
     std::uint64_t time = 0;
-    bool interact(std::array<unsigned int, NUM_CTLREGS> &ctlregs);
+    bool interact(std::array<std::uint_fast32_t, NUM_CTLREGS> &ctlregs);
+
+    void load_evt(std::istream &fh);
 };