diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/arm/dyncom/arm_dyncom_thumb.cpp | 43 | ||||
| -rw-r--r-- | src/core/hw/gpu.cpp | 7 | ||||
| -rw-r--r-- | src/core/settings.h | 1 |
3 files changed, 43 insertions, 8 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_thumb.cpp b/src/core/arm/dyncom/arm_dyncom_thumb.cpp index 2fc8170be..83b532aac 100644 --- a/src/core/arm/dyncom/arm_dyncom_thumb.cpp +++ b/src/core/arm/dyncom/arm_dyncom_thumb.cpp @@ -274,9 +274,46 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) { ? 0xE24DDF00 // SUB : 0xE28DDF00) // ADD |(tinstr & 0x007F); // off7 - } else if ((tinstr & 0x0F00) == 0x0e00) - *ainstr = 0xEF000000 | 0x180000; // base | BKPT mask - else { + } else if ((tinstr & 0x0F00) == 0x0e00) { + // BKPT + *ainstr = 0xEF000000 // base + | BITS(tinstr, 0, 3) // imm4 field; + | (BITS(tinstr, 4, 7) << 8); // beginning 4 bits of imm12 + } else if ((tinstr & 0x0F00) == 0x0200) { + static const ARMword subset[4] = { + 0xE6BF0070, // SXTH + 0xE6AF0070, // SXTB + 0xE6FF0070, // UXTH + 0xE6EF0070, // UXTB + }; + + *ainstr = subset[BITS(tinstr, 6, 7)] // base + | (BITS(tinstr, 0, 2) << 12) // Rd + | BITS(tinstr, 3, 5); // Rm + } else if ((tinstr & 0x0F00) == 0x600) { + if (BIT(tinstr, 5) == 0) { + // SETEND + *ainstr = 0xF1010000 // base + | (BIT(tinstr, 3) << 9); // endian specifier + } else { + // CPS + *ainstr = 0xF1080000 // base + | (BIT(tinstr, 0) << 6) // fiq bit + | (BIT(tinstr, 1) << 7) // irq bit + | (BIT(tinstr, 2) << 8) // abort bit + | (BIT(tinstr, 4) << 18); // enable bit + } + } else if ((tinstr & 0x0F00) == 0x0a00) { + static const ARMword subset[3] = { + 0xE6BF0F30, // REV + 0xE6BF0FB0, // REV16 + 0xE6FF0FB0, // REVSH + }; + + *ainstr = subset[BITS(tinstr, 6, 7)] // base + | (BITS(tinstr, 0, 2) << 12) // Rd + | BITS(tinstr, 3, 5); // Rm + } else { static const ARMword subset[4] = { 0xE92D0000, // STMDB sp!,{rlist} 0xE92D4000, // STMDB sp!,{rlist,lr} diff --git a/src/core/hw/gpu.cpp b/src/core/hw/gpu.cpp index ed607646e..7471def57 100644 --- a/src/core/hw/gpu.cpp +++ b/src/core/hw/gpu.cpp @@ -2,6 +2,7 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include "common/color.h" #include "common/common_types.h" #include "core/arm/arm_interface.h" @@ -22,7 +23,6 @@ #include "video_core/command_processor.h" #include "video_core/utils.h" #include "video_core/video_core.h" -#include "video_core/color.h" namespace GPU { @@ -30,8 +30,8 @@ Regs g_regs; /// True if the current frame was skipped bool g_skip_frame; -/// 268MHz / gpu_refresh_rate frames per second -static u64 frame_ticks; +/// 268MHz CPU clocks / 60Hz frames per second +const u64 frame_ticks = 268123480ull / 60; /// Event id for CoreTiming static int vblank_event; /// Total number of frames drawn @@ -357,7 +357,6 @@ void Init() { framebuffer_sub.color_format = Regs::PixelFormat::RGB8; framebuffer_sub.active_fb = 0; - frame_ticks = 268123480 / Settings::values.gpu_refresh_rate; last_skip_frame = false; g_skip_frame = false; frame_count = 0; diff --git a/src/core/settings.h b/src/core/settings.h index 54c1023b8..5a70d157a 100644 --- a/src/core/settings.h +++ b/src/core/settings.h @@ -35,7 +35,6 @@ struct Values { int pad_cright_key; // Core - int gpu_refresh_rate; int frame_skip; // Data Storage |