From 847868c099dfb0db8e7f00b750155facd40fcd0e Mon Sep 17 00:00:00 2001
From: Seeky <seeky.mkw@gmail.com>
Date: Tue, 22 Dec 2020 14:15:39 +0000
Subject: [PATCH] Decompiled all known swdrv functions

---
 include/evtmgr_cmd.h |  4 ++++
 include/spmario.h    |  8 +++----
 include/swdrv.h      | 57 +++++++++++++++++++++++++++++++++++++-------
 src/swdrv.c          | 28 +++++++++++++++++++++-
 4 files changed, 83 insertions(+), 14 deletions(-)

diff --git a/include/evtmgr_cmd.h b/include/evtmgr_cmd.h
index 136999d..8610a67 100644
--- a/include/evtmgr_cmd.h
+++ b/include/evtmgr_cmd.h
@@ -1,3 +1,7 @@
+/*
+  Functions to execute interpreted evt script code and handle evt variables
+*/
+
 #ifndef EVTMGR_CMD_H
 #define EVTMGR_CMD_H
 
diff --git a/include/spmario.h b/include/spmario.h
index 3c81b7f..dd35baf 100644
--- a/include/spmario.h
+++ b/include/spmario.h
@@ -8,10 +8,10 @@ typedef struct {
     s64 time;
     u8 unknown_0x100[0x140 - 0x100];
     s32 gsw0;
-    u32 gswf[256];
-    u8 gsw[2048];
-    s32 lswf[16];
-    u8 lsw[1024];
+    u32 gswf[256]; // 8192 flags
+    s8 gsw[2048];
+    u32 lswf[16]; // 512 flags
+    s8 lsw[1024];
     u8 unknown_0x1184[0x900]; // coin related?
     u8 unknown_0x1a84[0x1ab0 - 0x1a84];
 } SpmarioGlobals;
diff --git a/include/swdrv.h b/include/swdrv.h
index c1cd0bf..9bdd982 100644
--- a/include/swdrv.h
+++ b/include/swdrv.h
@@ -1,3 +1,11 @@
+/*
+    Functions handling "Saved Work", which are variables used in evt
+    scripts that are saved when closing the game
+    Set, Get & Clear functions handle bools
+    ByteGet and ByteSet functions handle s8 (or s32 for gsw0)
+    LSW(F) functions are prefixed by an underscore, the rest are GSW(F)
+*/
+
 #ifndef SWDRV_H
 #define SWDRV_H
 
@@ -33,22 +41,53 @@ void swClear(s32 num); // 80038034
 
 /*
     Sets a global saved work value
-    Value cast to s8 unless setting GSW 0
+    Value cast to u8 unless setting GSW 0
 */
-void swByteSet(s32 num, s32 value);
+void swByteSet(s32 num, s32 value); // 80038074
 
 /*
     Gets a global saved work value
-    Return is s8 unless getting GSW 0
+    Return is u8 unless getting GSW 0
 */
-s32 swByteGet(s32 num);
+s32 swByteGet(s32 num); // 800380f8
+
+/*
+    Turns on a local saved work flag
+*/
+void _swSet(s32 num); // 8003811c
+
+/*
+    Returns the value of a local saved work flag
+*/
+bool _swGet(s32 num); // 8003815c
+
+/*
+    Turns off a local saved work flag
+*/
+void _swClear(s32 num); // 800381a4
 
-// _swSet
-s32 _swGet(s32 num);
-// _swClear
 // TTYD symbol map shows there's an _swToggle but it went unused in both games
-// _swToggle
-// _swByteSet
+
+/*
+    Sets a local saved work value
+*/
+void _swByteSet(s32 num, s8 value);
+
+/*
+    Returns a local saved work value
+    Note: return is technically just s8 but calls used wrong casts when it was set to that
+*/
 s32 _swByteGet(s32 num);
 
+// New to SPM so no symbols:
+// 80038204
+// 800383a0
+// 80038478
+// 80038550
+// 8003863c
+// 8003864c
+// 8003865c
+// 8003875c
+// 800387d8
+
 #endif
\ No newline at end of file
diff --git a/src/swdrv.c b/src/swdrv.c
index 7a7cd92..9ffcdb0 100644
--- a/src/swdrv.c
+++ b/src/swdrv.c
@@ -1,3 +1,7 @@
+/*
+    80037eac-800388b3
+*/
+
 #include <common.h> 
 #include <evtmgr_cmd.h>
 #include <somewhere.h>
@@ -45,7 +49,7 @@ void swByteSet(s32 num, s32 value) {
     else {
         // "The value is strange"
         assertf(num < 256, "値がおかしい sw_byte[%d] = %d", num + EVTDAT_LSW_BASE, value);
-        gp->gsw[num] = (u8) value;
+        gp->gsw[num] = (s8) value;
     }
 }
 
@@ -54,5 +58,27 @@ s32 swByteGet(s32 num) {
     else return gp->gsw[num];
 }
 
+void _swSet(s32 num) {
+    gp->lswf[num / 32] |= 1U << (num % 32);
+}
+
+bool _swGet(s32 num) {
+    u32 mask = 1U << (num % 32);
+    u32 dat = gp->lswf[num / 32];
+    return (bool) (mask & dat);
+}
+
+void _swClear(s32 num) {
+    gp->lswf[num / 32] &= ~(1U << (num % 32));
+}
+
+void _swByteSet(s32 num, s8 value) {
+    gp->lsw[num] = (s8) value;
+}
+
+s32 _swByteGet(s32 num) {
+    return gp->gsw[num];
+}
+
 // a lot