From 5294a8b71cee166d0dc710f23da8455fc616c063 Mon Sep 17 00:00:00 2001
From: joevt <joevt@shaw.ca>
Date: Wed, 21 Dec 2022 03:39:13 -0800
Subject: [PATCH] Fix compiler warnings: unused variables.

---
 cpu/ppc/ppcmmu.cpp          | 8 ++++----
 devices/floppy/swim3.cpp    | 2 +-
 devices/serial/chario.cpp   | 1 -
 devices/video/atirage.cpp   | 2 +-
 devices/video/displayid.cpp | 1 -
 5 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/cpu/ppc/ppcmmu.cpp b/cpu/ppc/ppcmmu.cpp
index cfc3a06..1c9a9a7 100644
--- a/cpu/ppc/ppcmmu.cpp
+++ b/cpu/ppc/ppcmmu.cpp
@@ -1082,8 +1082,8 @@ inline void mmu_write_vmem(uint32_t guest_va, T value)
         }
         if (!(tlb1_entry->flags & TLBFlags::PTE_SET_C)) {
             // perform full page address translation to update PTE.C bit
-            PATResult pat_res = page_address_translation(guest_va, false,
-                                                         !!(ppc_state.msr & 0x4000), true);
+            page_address_translation(guest_va, false,
+                                     !!(ppc_state.msr & 0x4000), true);
             tlb1_entry->flags |= TLBFlags::PTE_SET_C;
 
             // don't forget to update the secondary TLB as well
@@ -1121,8 +1121,8 @@ inline void mmu_write_vmem(uint32_t guest_va, T value)
 
         if (!(tlb2_entry->flags & TLBFlags::PTE_SET_C)) {
             // perform full page address translation to update PTE.C bit
-            PATResult pat_res = page_address_translation(guest_va, false,
-                                                         !!(ppc_state.msr & 0x4000), true);
+            page_address_translation(guest_va, false,
+                                     !!(ppc_state.msr & 0x4000), true);
             tlb2_entry->flags |= TLBFlags::PTE_SET_C;
         }
 
diff --git a/devices/floppy/swim3.cpp b/devices/floppy/swim3.cpp
index edf50d9..3b8c886 100644
--- a/devices/floppy/swim3.cpp
+++ b/devices/floppy/swim3.cpp
@@ -128,7 +128,7 @@ uint8_t Swim3Ctrl::read(uint8_t reg_offset)
 
 void Swim3Ctrl::write(uint8_t reg_offset, uint8_t value)
 {
-    uint8_t old_mode_reg, status_addr;
+    uint8_t status_addr;
 
     switch(reg_offset) {
     case Swim3Reg::Timer:
diff --git a/devices/serial/chario.cpp b/devices/serial/chario.cpp
index c9892b9..a2e409e 100644
--- a/devices/serial/chario.cpp
+++ b/devices/serial/chario.cpp
@@ -336,7 +336,6 @@ void CharIoSocket::rcv_disable()
 bool CharIoSocket::rcv_char_available()
 {
     static int consecutivechars = 0;
-    static int count = 0;
 
     if (consecutivechars >= 15) {
         consecutivechars++;
diff --git a/devices/video/atirage.cpp b/devices/video/atirage.cpp
index 5efb89b..7b8d640 100644
--- a/devices/video/atirage.cpp
+++ b/devices/video/atirage.cpp
@@ -557,7 +557,7 @@ void ATIRage::crtc_enable() {
 void ATIRage::draw_hw_cursor(uint8_t *dst_buf, int dst_pitch) {
     uint8_t *src_buf, *src_row, *dst_row, px4;
 
-    int horz_offset = READ_DWORD_LE_A(&this->mm_regs[ATI_CUR_HORZ_VERT_OFF]) & 0x3F;
+    // int horz_offset = READ_DWORD_LE_A(&this->mm_regs[ATI_CUR_HORZ_VERT_OFF]) & 0x3F;
     int vert_offset = (READ_DWORD_LE_A(&this->mm_regs[ATI_CUR_HORZ_VERT_OFF]) >> 16) & 0x3F;
 
     src_buf = &this->vram_ptr[(READ_DWORD_LE_A(&this->mm_regs[ATI_CUR_OFFSET]) * 8)];
diff --git a/devices/video/displayid.cpp b/devices/video/displayid.cpp
index 4271757..58c9acb 100644
--- a/devices/video/displayid.cpp
+++ b/devices/video/displayid.cpp
@@ -88,7 +88,6 @@ DisplayID::DisplayID(uint8_t std_code, uint8_t ext_code)
 uint8_t DisplayID::read_monitor_sense(uint8_t levels, uint8_t dirs)
 {
     uint8_t scl, sda;
-    uint16_t result;
 
     switch(this->id_kind) {
     case Disp_Id_Kind::DDC2B: