From 7a3a661e2a77715de443fdeb166b3a08983a6a8a Mon Sep 17 00:00:00 2001
From: joevt <joevt@shaw.ca>
Date: Sun, 18 Feb 2024 17:28:33 -0800
Subject: [PATCH] platinum: Allow reading swatch registers.

---
 devices/memctrl/platinum.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/devices/memctrl/platinum.cpp b/devices/memctrl/platinum.cpp
index 1dfd3f2..e359f31 100644
--- a/devices/memctrl/platinum.cpp
+++ b/devices/memctrl/platinum.cpp
@@ -145,6 +145,30 @@ uint32_t PlatinumCtrl::read(uint32_t rgn_start, uint32_t offset, int size) {
     case PlatinumReg::CLR_CURSOR_INT:
         this->update_irq(0, SWATCH_INT_CURSOR);
         return 0;
+    //case PlatinumReg::CLR_ANIM_INT:
+    //case PlatinumReg::CLR_VBL_INT:
+    //case PlatinumReg::CURSOR_LINE:
+    //case PlatinumReg::ANIMATE_LINE:
+    //case PlatinumReg::COUNTER_TEST:
+       //break;
+    case PlatinumReg::SWATCH_HSERR:
+    case PlatinumReg::SWATCH_HLFLN:
+    case PlatinumReg::SWATCH_HEQ:
+    case PlatinumReg::SWATCH_HSP:
+    case PlatinumReg::SWATCH_HBWAY:
+    case PlatinumReg::SWATCH_HBRST:
+    case PlatinumReg::SWATCH_HBP:
+    case PlatinumReg::SWATCH_HAL:
+    case PlatinumReg::SWATCH_HFP:
+    case PlatinumReg::SWATCH_HPIX:
+    case PlatinumReg::SWATCH_VHLINE:
+    case PlatinumReg::SWATCH_VSYNC:
+    case PlatinumReg::SWATCH_VBPEQ:
+    case PlatinumReg::SWATCH_VBP:
+    case PlatinumReg::SWATCH_VAL:
+    case PlatinumReg::SWATCH_VFP:
+    case PlatinumReg::SWATCH_VFPEQ:
+        return this->swatch_params[REG_TO_INDEX(offset >> 4)];
     case PlatinumReg::TIMING_ADJUST:
         return this->timing_adjust;
     case PlatinumReg::IRIDIUM_CONFIG: