From fd3ff7b7031347dea957dcc50417ee97feccada7 Mon Sep 17 00:00:00 2001
From: dingusdev <kataetheweirdo@gmail.com>
Date: Sun, 22 May 2022 17:46:40 -0700
Subject: [PATCH] Initial attempt at terminal support for Windows

---
 CMakeLists.txt            |  1 +
 devices/serial/chario.cpp | 73 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a7bb969..dbe95d6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -112,6 +112,7 @@ add_executable(dingusppc ${SOURCES} $<TARGET_OBJECTS:core>
 if (WIN32)
 target_link_libraries(dingusppc "${PROJECT_SOURCE_DIR}/thirdparty/SDL2/lib/x64/SDL2.lib"
                                 "${PROJECT_SOURCE_DIR}/thirdparty/SDL2/lib/x64/SDL2main.lib"
+                                ws2_32
                                 cubeb)
 else()
 #target_link_libraries(dingusppc libsoundio_static ${LIBSOUNDIO_LIBS} ${SDL2_LIBRARIES})
diff --git a/devices/serial/chario.cpp b/devices/serial/chario.cpp
index 39ecf25..0f19e93 100644
--- a/devices/serial/chario.cpp
+++ b/devices/serial/chario.cpp
@@ -143,4 +143,77 @@ int CharIoStdin::rcv_char(uint8_t *c)
     return 0;
 }
 
+#else 
+//Windows terminal code
+#include <io.h>
+#include <iostream>
+#include <stdio.h>
+#include <windows.h>
+#include <winsock.h>
+
+HANDLE hInput  = GetStdHandle(STD_INPUT_HANDLE); 
+HANDLE hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
+//DWORD oldMode;
+//DWORD newMode;
+//INPUT_RECORD in;
+//CHAR_INFO charData;
+
+void mysig_handler(int signum) 
+{
+    SetStdHandle(signum, hInput);
+    SetStdHandle(signum, hOutput);
+}
+
+int CharIoStdin::rcv_enable() {
+    if (this->stdio_inited)
+        return 0;
+
+    SetCommMask(hInput, EV_DSR);
+    SetCommMask(hOutput, EV_CTS);
+
+    SetConsoleMode(hInput, ENABLE_LINE_INPUT);
+    SetConsoleMode(hInput, ENABLE_VIRTUAL_TERMINAL_PROCESSING);
+
+    this->stdio_inited = true;
+
+    return 0;
+}
+
+void CharIoStdin::rcv_disable() {
+    if (!this->stdio_inited)
+        return;
+    
+    SetCommMask(hInput, !EV_DSR);
+    SetCommMask(hOutput, !EV_CTS);
+
+    this->stdio_inited = false;
+}
+
+bool CharIoStdin::rcv_char_available() {
+    fd_set readfds;
+    FD_ZERO(&readfds);
+    FD_SET(1, &readfds);
+    fd_set savefds = readfds;
+
+    struct timeval timeout;
+    timeout.tv_sec  = 0;
+    timeout.tv_usec = 0;
+
+    //int chr;
+
+    int sel_rv = select(1, &readfds, NULL, NULL, &timeout);
+
+    return sel_rv > 0;
+}
+
+int CharIoStdin::xmit_char(uint8_t c) {
+    _write(_fileno(stdout), &c, 1);
+    return 0;
+}
+
+int CharIoStdin::rcv_char(uint8_t* c) {
+    _read(_fileno(stdin), c, 1);
+    return 0;
+}
+
 #endif // _WIN32