So there's a 2^16 pixel limit somewhere! Use 280x234 instead

This reverts commit 7cfcfc20ee.

.github/workflows/build.yml

@@ -30,8 +30,7 @@ jobs:
     - name: esp-idf setup/install
       run: esp-idf/install.sh
     - name: build DOOM
-      run: |
-        make
+      run: . esp-idf/export.sh; make
     - uses: actions/upload-artifact@v3
       with:
         name: s3-boy-doom-combined

Makefile

@@ -1,8 +1,18 @@
+ifeq ($(origin IDF_PATH),undefined)
+$(error You must "source esp-idf/export.sh" before building)
+endif
+
 SHELL=/bin/bash
 .PHONY: default
-default: assets/doom.squashfs
-	. esp-idf/export.sh && cd fw/s3-boy-doom && idf.py set-target esp32s3 && idf.py build && cd build && esptool.py --chip esp32s3 merge_bin -t 0 --output s3-boy-doom-combined.bin `tail -n +2 flash_args` 0x110000 ../../../assets/doom.squashfs
+default: fw/s3-boy-doom/build/build.ninja assets/doom.squashfs
+	echo "make: Entering directory \`$(abspath fw/s3-boy-doom/build/)'"
+	cd fw/s3-boy-doom && idf.py build && cd build && esptool.py --chip esp32s3 merge_bin -t 0 --output s3-boy-doom-combined.bin `tail -n +2 flash_args` 0x110000 ../../../assets/doom.squashfs
+	cd fw/s3-boy-doom/build && esptool.py --chip esp32s3 merge_bin -t 0 --output s3-boy-doom-code.bin `tail -n +2 flash_args`
 	cp fw/s3-boy-doom/build/s3-boy-doom-combined.bin assets/
+	cp fw/s3-boy-doom/build/s3-boy-doom-code.bin assets/
+
+fw/s3-boy-doom/build/build.ninja:
+	cd fw/s3-boy-doom && idf.py set-target esp32s3
 
 .PHONY: squash
 squash: assets/doom.squashfs
@@ -11,7 +21,7 @@ assets/doom.squashfs: assets/doom-root/doom/doom1.wad Makefile
 		-all-root -no-exports -no-sparse -no-xattrs -all-time 1 -noI \
 		-b 32k -comp lz4 -Xhc
 
-.PHONY: flash-squash
+.PHONY: flash-squash flash-code flash-all
 ifneq ($(origin PORT),undefined)
 P_PORT=-p $(PORT)
 else
@@ -19,3 +29,7 @@ P_PORT=
 endif
 flash-squash: assets/doom.squashfs
 	esptool.py $(P_PORT) write_flash 0x110000 $<
+flash-code: default
+	esptool.py $(P_PORT) write_flash 0 assets/s3-boy-doom-code.bin
+flash-all: default
+	esptool.py $(P_PORT) write_flash 0 assets/s3-boy-doom-combined.bin

components/esp32-s3-boy-hal/common/hw/include/button.h

@@ -41,7 +41,11 @@ uint32_t buttonGetRepeatEvent(uint8_t ch);
 uint32_t buttonGetRepeatCount(uint8_t ch);
 
 const char *buttonGetName(uint8_t ch);
-
+#else
+#define buttonGetPressedEvent(x) false
+#define buttonGetPressed(x) false
+#define buttonClear() ((void)0)
+#define buttonInit() false
 #endif
 
 #ifdef __cplusplus

components/esp32-s3-boy-hal/common/hw/include/mixer.h

@@ -36,13 +36,13 @@ int8_t   mixerGetValidChannel(uint32_t length);
 int16_t mixerSamples(int16_t a, int16_t b);
 
 
+
+#endif
+
+
 #ifdef __cplusplus
 }
 #endif
 
 
-#endif
-
-
-
 #endif /* SRC_COMMON_HW_INCLUDE_MIXER_H_ */

components/esp32-s3-boy-hal/hw/driver/gpio.c

@@ -25,13 +25,13 @@ typedef struct
 
 static const gpio_tbl_t gpio_tbl[GPIO_MAX_CH] =
     {
-      {GPIO_NUM_7 , _DEF_OUTPUT, _DEF_HIGH}, // 0. LCD CS
-      {GPIO_NUM_39, _DEF_OUTPUT, _DEF_LOW }, // 1. LCD DC
-      {GPIO_NUM_45, _DEF_OUTPUT, _DEF_LOW }, // 2. LCD BLK
-      {GPIO_NUM_40, _DEF_OUTPUT, _DEF_HIGH}, // 3. LCD RST
-      {GPIO_NUM_38, _DEF_OUTPUT, _DEF_HIGH }, // 4. SPK MUTE
-      {GPIO_NUM_17, _DEF_INPUT , _DEF_HIGH}, // 5. SDCARD CD
-      {GPIO_NUM_21, _DEF_OUTPUT, _DEF_HIGH}, // 6. LCD PWR
+      // .mosi_io_num = GPIO_NUM_35,                        // Feather ESP32S3 silk: "MOSI"
+      // .sclk_io_num = GPIO_NUM_36,                        // Feather ESP32S3 silk: "SCK"
+      {GPIO_NUM_8 , _DEF_OUTPUT, _DEF_HIGH}, // 0. LCD CS   // Feather ESP32S3 silk: "A5" // must also change in st7789.c
+      {GPIO_NUM_14, _DEF_OUTPUT, _DEF_LOW }, // 1. LCD DC   // Feather ESP32S3 silk: "A4"
+      {GPIO_NUM_15, _DEF_OUTPUT, _DEF_LOW }, // 2. LCD BLK  // Feather ESP32S3 silk: "A3"
+      {GPIO_NUM_16, _DEF_OUTPUT, _DEF_HIGH}, // 3. LCD RST  // Feather ESP32S3 silk: "A2"
+      {GPIO_NUM_17, _DEF_OUTPUT, _DEF_HIGH}, // 4. LCD PWR  // Feather ESP32S3 silk: "A1"
     };
 
 static uint8_t gpio_data[GPIO_MAX_CH];

components/esp32-s3-boy-hal/hw/driver/lcd/st7789.c

@@ -42,6 +42,7 @@ typedef struct
 } cb_data_t;
 
 
+static void st7789FillRect_unchecked(int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color);
 static void writecommand(uint8_t c);
 static void writedata(uint8_t d);
 static void writedata16(uint16_t d);
@@ -60,8 +61,8 @@ static void (*frameCallBack)(void) = NULL;
 volatile static bool  is_write_frame = false;
 static cb_data_t cb_data;
 
-const uint32_t colstart = 40;
-const uint32_t rowstart = 53;
+const uint32_t colstart = (320 - HW_LCD_WIDTH)/2;
+const uint32_t rowstart = (240 - HW_LCD_HEIGHT)/2;
 
 
 
@@ -153,7 +154,7 @@ bool st7789SpiInit(void)
   {
     .clock_speed_hz = 40*1000*1000,          // Clock out at 40 MHz
     .mode = 0,                               // SPI mode 0
-    .spics_io_num = GPIO_NUM_7,              // CS pin
+    .spics_io_num = GPIO_NUM_8,              // CS pin
     .queue_size = 16,                        // We want to be able to queue 8 transactions at a time
     .flags = SPI_DEVICE_HALFDUPLEX | SPI_DEVICE_NO_RETURN_RESULT, 
     .pre_cb = st7789PreCallback,             // Specify pre-transfer callback to handle D/C line
@@ -192,7 +193,7 @@ bool st7789Reset(void)
 
   st7789SetRotation(0);
 
-  st7789FillRect(0, 0, HW_LCD_WIDTH, HW_LCD_HEIGHT, black);
+  st7789FillRect_unchecked(-16, -16, HW_LCD_WIDTH+32, HW_LCD_HEIGHT+32, black);
 
   if (_PIN_DEF_BLK >= 0) gpioPinWrite(_PIN_DEF_BLK, _DEF_HIGH);
 
@@ -288,20 +289,6 @@ void st7789InitRegs(void)
   writecommand(ST7789_COLMOD);  // 15: set color mode, 1 arg, no delay:
   writedata(0x05);              //     16-bit color
 
-
-  writecommand(ST7789_CASET);   //  1: Column addr set, 4 args, no delay:
-  writedata(0x00);
-  writedata(0x00);              //     XSTART = 0
-  writedata(0x00);
-  writedata(HW_LCD_WIDTH-1);    //     XEND = 
-
-  writecommand(ST7789_RASET);   //  2: Row addr set, 4 args, no delay:
-  writedata(0x00);
-  writedata(0x00);              //     XSTART = 0
-  writedata(0x00);
-  writedata(HW_LCD_HEIGHT-1);   //     XEND = 
-
-
   writecommand(ST7789_NORON);   //  3: Normal display on, no args, w/delay
   delay(10);
   writecommand(ST7789_DISPON);  //  4: Main screen turn on, no args w/delay
@@ -325,24 +312,10 @@ void st7789SetWindow(int32_t x0, int32_t y0, int32_t x1, int32_t y1)
   writecommand(ST7789_RAMWR); // write to RAM
 }
 
-void st7789FillRect(int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color)
-{
-  uint16_t line_buf[w];
-
-  // Clipping
-  if ((x >= _width) || (y >= _height)) return;
-
-  if (x < 0) { w += x; x = 0; }
-  if (y < 0) { h += y; y = 0; }
-
-  if ((x + w) > _width)  w = _width  - x;
-  if ((y + h) > _height) h = _height - y;
-
-  if ((w < 1) || (h < 1)) return;
-
-
+void st7789FillRect_unchecked(int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color) {
   st7789SetWindow(x, y, x + w - 1, y + h - 1);
 
+  uint16_t line_buf[w];
 
   spi_transaction_t trans;
 
@@ -367,6 +340,23 @@ void st7789FillRect(int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color)
   }
 }
 
+void st7789FillRect(int32_t x, int32_t y, int32_t w, int32_t h, uint32_t color)
+{
+
+  // Clipping
+  if ((x >= _width) || (y >= _height)) return;
+
+  if (x < 0) { w += x; x = 0; }
+  if (y < 0) { h += y; y = 0; }
+
+  if ((x + w) > _width)  w = _width  - x;
+  if ((y + h) > _height) h = _height - y;
+
+  if ((w < 1) || (h < 1)) return;
+
+  st7789FillRect_unchecked(x, y, w, h, color);
+}
+
 bool st7789SendBuffer(uint8_t *p_data, uint32_t length, uint32_t timeout_ms)
 {
   const uint32_t block_cnt = 4;

components/esp32-s3-boy-hal/hw/hw.c

@@ -41,45 +41,45 @@ bool hwInit(void)
   logPrintf("\n");
 
   nvsInit();
+#if _USE_HW_ADC
   adcInit();
+#endif
+#if _USE_HW_BUTTON
   buttonInit();
-  printf("%s:%d\n", __FILE__, __LINE__);
+#endif
 
+#if _USE_HW_BATTERY
   batteryInit();
-  printf("%s:%d\n", __FILE__, __LINE__);
+#endif
+#if _USE_HW_I2S
   i2sInit();
-  printf("%s:%d\n", __FILE__, __LINE__);
+#endif
+#if _USE_HW_AUDIO
   audioInit();
-  printf("%s:%d\n", __FILE__, __LINE__);
+#endif
+#if _USE_HW_BUZZER
   buzzerInit();
-  printf("%s:%d\n", __FILE__, __LINE__);
+#endif
   
   lcdInit();
-  printf("%s:%d\n", __FILE__, __LINE__);
   // sdInit();
-  printf("%s:%d\n", __FILE__, __LINE__);
   fatfsInit();
-  printf("%s:%d\n", __FILE__, __LINE__);
+#if _USE_HW_YMODEM
   ymodemInit();
-  printf("%s:%d\n", __FILE__, __LINE__);
-
+#endif
 
   esp_partition_iterator_t it;
 
   it = esp_partition_find(ESP_PARTITION_TYPE_APP, ESP_PARTITION_SUBTYPE_ANY, "launcher");
-  printf("%s:%d\n", __FILE__, __LINE__);
   if (it != NULL)
   {
-  printf("%s:%d\n", __FILE__, __LINE__);
     const esp_partition_t *part = esp_partition_get(it);
 
     if (part != esp_ota_get_running_partition())
     {
-  printf("%s:%d\n", __FILE__, __LINE__);
       esp_ota_set_boot_partition(part);
     }
   }
-  printf("%s:%d\n", __FILE__, __LINE__);
 
   return true;
 }

components/esp32-s3-boy-hal/hw/hw_def.h

@@ -39,10 +39,10 @@
 #undef _USE_HW_SD
 #define _USE_HW_FATFS
 #define _USE_HW_NVS
-#define _USE_HW_BATTERY
-#define _USE_HW_I2S
-#define _USE_HW_BUZZER
-#define _USE_HW_YMODEM
+#undef _USE_HW_BATTERY
+#undef _USE_HW_I2S
+#undef _USE_HW_BUZZER
+#undef _USE_HW_YMODEM
 
 
 #define _USE_HW_LED
@@ -70,23 +70,23 @@
 #define      HW_LCD_LVGL            1
 #define      HW_LCD_LOGO            1
 #define _USE_HW_ST7789
-#define      HW_LCD_WIDTH           240
-#define      HW_LCD_HEIGHT          135
+#define      HW_LCD_WIDTH           280
+#define      HW_LCD_HEIGHT          234
 
 #define _USE_HW_PWM
 #define      HW_PWM_MAX_CH          1
 
-#define _USE_HW_ADC                 
+#undef _USE_HW_ADC                 
 #define      HW_ADC_MAX_CH          1
 
-#define _USE_HW_BUTTON
-#define      HW_BUTTON_MAX_CH       11
+#undef _USE_HW_BUTTON
+#define      HW_BUTTON_MAX_CH       1
 
-#define _USE_HW_MIXER
+#undef _USE_HW_MIXER
 #define      HW_MIXER_MAX_CH        8
 #define      HW_MIXER_MAX_BUF_LEN   (16*4*8)
 
-#define _USE_HW_AUDIO
+#undef _USE_HW_AUDIO
 #define      HW_AUDIO_CMD_MAX_CH    4
 
 
@@ -95,7 +95,7 @@
 #define _PIN_GPIO_LCD_DC            1
 #define _PIN_GPIO_LCD_CS            0
 #define _PIN_GPIO_LCD_RST           3
-#define _PIN_GPIO_LCD_PWR           6
+#define _PIN_GPIO_LCD_PWR           4
 
 // Indices within button.c:button_port_tbl[]
 #define _BTN_LEFT                   0   

components/squashfs/libsquash_decompress.c

@@ -32,9 +32,7 @@
 
 static sqfs_err sqfs_decompressor_lz4(void *in, size_t insz,
 		void *out, size_t *outsz) {
-        printf("decompress_safe(%p, %zd, %p, %zd)\n", in, insz, out, *outsz);
 	int zout = LZ4_decompress_safe(in, out, (int)insz, (int)*outsz);
-        printf("->%d", zout);
 	if (zout < 0)
 		return SQFS_ERR;
 	*outsz = zout;
@@ -42,7 +40,6 @@ static sqfs_err sqfs_decompressor_lz4(void *in, size_t insz,
 }
 
 sqfs_decompressor sqfs_decompressor_get(sqfs_compression_type type) {
-        printf("decompressor_get type=%d\n", type);
 	assert(SQFS_COMP_LZ4 == type);
 	return &sqfs_decompressor_lz4;
 }

fw/s3-boy-doom/main/ap/doom/src/d_iwad.c

@@ -57,10 +57,10 @@ static const iwad_t iwads[] =
 #define MAX_IWAD_DIRS 128
 
 static boolean iwad_dirs_built = false;
-static EXT_RAM_BSS_ATTR char *iwad_dirs[MAX_IWAD_DIRS];
+static EXT_RAM_BSS_ATTR const char *iwad_dirs[MAX_IWAD_DIRS];
 static int num_iwad_dirs = 0;
 
-static void AddIWADDir(char *dir)
+static void AddIWADDir(const char *dir)
 {
     if (num_iwad_dirs < MAX_IWAD_DIRS)
     {
@@ -504,7 +504,7 @@ static char *CheckDirectoryHasIWAD(const char *dir, const char *iwadname)
 // Search a directory to try to find an IWAD
 // Returns the location of the IWAD if found, otherwise NULL.
 
-static char *SearchDirectoryForIWAD(char *dir, int mask, GameMission_t *mission)
+static char *SearchDirectoryForIWAD(const char *dir, int mask, GameMission_t *mission)
 {
     char *filename;
     size_t i;
@@ -532,7 +532,7 @@ static char *SearchDirectoryForIWAD(char *dir, int mask, GameMission_t *mission)
 // When given an IWAD with the '-iwad' parameter,
 // attempt to identify it by its name.
 
-static GameMission_t IdentifyIWADByName(char *name, int mask)
+static GameMission_t IdentifyIWADByName(const char *name, int mask)
 {
     size_t i;
     GameMission_t mission;
@@ -568,14 +568,15 @@ static GameMission_t IdentifyIWADByName(char *name, int mask)
     return mission;
 }
 
+#if 0
 // Add IWAD directories parsed from splitting a path string containing
 // paths separated by PATH_SEPARATOR. 'suffix' is a string to concatenate
 // to the end of the paths before adding them.
-static void AddIWADPath(char *path, char *suffix)
+static void AddIWADPath(const char *path_in, const char *suffix)
 {
     char *left, *p;
 
-    path = M_StringDuplicate(path);
+    char *path = M_StringDuplicate(path_in);
 
     // Split into individual dirs within the list.
     left = path;
@@ -602,8 +603,9 @@ static void AddIWADPath(char *path, char *suffix)
 
     memFree(path);
 }
-
+#endif
 #ifndef _WIN32
+#ifdef ORIGCODE
 // Add standard directories where IWADs are located on Unix systems.
 // To respect the freedesktop.org specification we support overriding
 // using standard environment variables. See the XDG Base Directory
@@ -611,7 +613,7 @@ static void AddIWADPath(char *path, char *suffix)
 // <http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html>
 static void AddXdgDirs(void)
 {
-    char *env, *tmp_env;
+    const char *env, *tmp_env;
 
     // Quote:
     // > $XDG_DATA_HOME defines the base directory relative to which
@@ -623,7 +625,7 @@ static void AddXdgDirs(void)
 
     if (env == NULL)
     {
-        char *homedir = getenv("HOME");
+        const char *homedir = getenv("HOME");
         if (homedir == NULL)
         {
             homedir = "/";
@@ -637,7 +639,7 @@ static void AddXdgDirs(void)
     // ~/.local/share/games/doom) as a user-writeable extension to
     // the usual /usr/share/games/doom location.
     AddIWADDir(M_StringJoin(env, "/games/doom", NULL));
-    memFree(tmp_env);
+    memFree((void*)tmp_env);
 
     // Quote:
     // > $XDG_DATA_DIRS defines the preference-ordered set of base
@@ -665,6 +667,7 @@ static void AddXdgDirs(void)
     AddIWADPath(env, "/games/doom3bfg/base/wads");
 }
 #endif
+#endif
 
 //
 // Build a list of IWAD files
@@ -730,7 +733,7 @@ static void BuildIWADDirList(void)
 // Searches WAD search paths for an WAD with a specific filename.
 // 
 
-char *D_FindWADByName(const char *name)
+const char *D_FindWADByName(const char *name)
 {
     char *path;
     char *probe;
@@ -784,9 +787,9 @@ char *D_FindWADByName(const char *name)
 // if not found.
 //
 
-char *D_TryFindWADByName(char *filename)
+const char *D_TryFindWADByName(const char *filename)
 {
-    char *result;
+    const char *result;
 
     result = D_FindWADByName(filename);
 
@@ -807,10 +810,10 @@ char *D_TryFindWADByName(char *filename)
 // should be executed (notably loading PWADs).
 //
 
-char *D_FindIWAD(int mask, GameMission_t *mission)
+const char *D_FindIWAD(int mask, GameMission_t *mission)
 {
-    char *result = NULL;
-    char *iwadfile = NULL;
+    const char *result = NULL;
+    const char *iwadfile = NULL;
     int iwadparm;
     int i;
 
@@ -862,7 +865,7 @@ const iwad_t **D_FindAllIWADs(int mask)
 {
     const iwad_t **result;
     int result_len;
-    char *filename;
+    const char *filename;
     int i;
 
     result = memMalloc(sizeof(iwad_t *) * (arrlen(iwads) + 1));
@@ -897,7 +900,7 @@ const iwad_t **D_FindAllIWADs(int mask)
 // Get the IWAD name used for savegames.
 //
 
-char *D_SaveGameIWADName(GameMission_t gamemission)
+const char *D_SaveGameIWADName(GameMission_t gamemission)
 {
     size_t i;
 
@@ -921,7 +924,7 @@ char *D_SaveGameIWADName(GameMission_t gamemission)
     return "unknown.wad";
 }
 
-char *D_SuggestIWADName(GameMission_t mission, GameMode_t mode)
+const char *D_SuggestIWADName(GameMission_t mission, GameMode_t mode)
 {
     int i;
 
@@ -936,7 +939,7 @@ char *D_SuggestIWADName(GameMission_t mission, GameMode_t mode)
     return "unknown.wad";
 }
 
-char *D_SuggestGameName(GameMission_t mission, GameMode_t mode)
+const char *D_SuggestGameName(GameMission_t mission, GameMode_t mode)
 {
     int i;
 

fw/s3-boy-doom/main/ap/doom/src/d_iwad.h

@@ -33,19 +33,19 @@
 
 typedef struct
 {
-    char *name;
+    const char *name;
     GameMission_t mission;
     GameMode_t mode;
-    char *description;
+    const char *description;
 } iwad_t;
 
-char *D_FindWADByName(const char *filename);
-char *D_TryFindWADByName(char *filename);
-char *D_FindIWAD(int mask, GameMission_t *mission);
+const char *D_FindWADByName(const char *filename);
+const char *D_TryFindWADByName(const char *filename);
+const char *D_FindIWAD(int mask, GameMission_t *mission);
 const iwad_t **D_FindAllIWADs(int mask);
-char *D_SaveGameIWADName(GameMission_t gamemission);
-char *D_SuggestIWADName(GameMission_t mission, GameMode_t mode);
-char *D_SuggestGameName(GameMission_t mission, GameMode_t mode);
+const char *D_SaveGameIWADName(GameMission_t gamemission);
+const char *D_SuggestIWADName(GameMission_t mission, GameMode_t mode);
+const char *D_SuggestGameName(GameMission_t mission, GameMode_t mode);
 void D_CheckCorrectIWAD(GameMission_t mission);
 
 #endif

fw/s3-boy-doom/main/ap/doom/src/d_main.c

@@ -636,7 +636,7 @@ void D_StartTitle (void)
 // These are from the original source: some of them are perhaps
 // not used in any dehacked patches
 
-static char *banners[] =
+static const char *banners[] =
 {
     // doom2.wad
     "                         "
@@ -707,12 +707,12 @@ static char *GetGameName(char *gamename)
             M_snprintf(gamename, gamename_size, deh_sub,
                        version / 100, version % 100);
 
-            while (gamename[0] != '\0' && isspace(gamename[0]))
+            while (gamename[0] != '\0' && isspace((unsigned char)gamename[0]))
             {
                 memmove(gamename, gamename + 1, gamename_size - 1);
             }
 
-            while (gamename[0] != '\0' && isspace(gamename[strlen(gamename)-1]))
+            while (gamename[0] != '\0' && isspace((unsigned char)gamename[strlen(gamename)-1]))
             {
                 gamename[strlen(gamename) - 1] = '\0';
             }
@@ -729,7 +729,7 @@ static void SetMissionForPackName(char *pack_name)
     int i;
     static const struct
     {
-        char *name;
+        const char *name;
         int mission;
     } packs[] = {
         { "doom2",    doom2 },

fw/s3-boy-doom/main/ap/doom/src/deh_bexstr.c

@@ -26,8 +26,8 @@
 #include "dstrings.h"
 
 typedef struct {
-    char *macro;
-    char *string;
+    const char *macro;
+    const char *string;
 } bex_string_t;
 
 // mnemonic keys table

fw/s3-boy-doom/main/ap/doom/src/deh_cheat.c

@@ -28,7 +28,7 @@
 
 typedef struct 
 {
-    char *name;
+    const char *name;
     cheatseq_t *seq;
 } deh_cheat_t;
 

fw/s3-boy-doom/main/ap/doom/src/deh_defs.h

@@ -30,7 +30,7 @@ typedef void (*deh_sha1_hash_t)(sha1_context_t *context);
 
 struct deh_section_s
 {
-    char *name;
+    const char *name;
 
     // Called on startup to initialize code
 

fw/s3-boy-doom/main/ap/doom/src/deh_doom.c

@@ -19,7 +19,7 @@
 #include "deh_defs.h"
 #include "deh_main.h"
 
-char *deh_signatures[] =
+const char *deh_signatures[] =
 {
     "Patch File for DeHackEd v2.3",
     "Patch File for DeHackEd v3.0",

fw/s3-boy-doom/main/ap/doom/src/deh_main.c

@@ -133,7 +133,7 @@ static boolean IsWhitespace(char *s)
 {
     for (; *s; ++s)
     {
-        if (!isspace(*s))
+        if (!isspace((unsigned char)*s))
             return false;
     }
 
@@ -148,14 +148,14 @@ static char *CleanString(char *s)
 
     // Leading whitespace
 
-    while (*s && isspace(*s))
+    while (*s && isspace((unsigned char)*s))
         ++s;
 
     // Trailing whitespace
    
     strending = s + strlen(s) - 1;
 
-    while (strlen(s) > 0 && isspace(*strending))
+    while (strlen(s) > 0 && isspace((unsigned char)*strending))
     {
         *strending = '\0';
         --strending;
@@ -310,7 +310,7 @@ static void DEH_ParseContext(deh_context_t *context)
             return;
         }
 
-        while (line[0] != '\0' && isspace(line[0]))
+        while (line[0] != '\0' && isspace((unsigned char)line[0]))
             ++line;
 
         if (line[0] == '#')
@@ -463,7 +463,7 @@ int DEH_LoadLumpByName(char *name, boolean allow_long, boolean allow_error)
 // Check the command line for -deh argument, and others.
 void DEH_ParseCommandLine(void)
 {
-    char *filename;
+    const char *filename;
     int p;
 
     //!

fw/s3-boy-doom/main/ap/doom/src/deh_mapping.h

@@ -45,7 +45,7 @@
              {deh_name, NULL, -1, false},
 
 #define DEH_END_MAPPING                                       \
-             {NULL, NULL, -1}                                 \
+             {NULL, NULL, -1, false}                          \
         }                                                     \
     };
 
@@ -60,7 +60,7 @@ struct deh_mapping_entry_s
 {
     // field name
    
-    char *name;
+    const char *name;
 
     // location relative to the base in the deh_mapping_t struct
     // If this is NULL, it is an unsupported mapping

fw/s3-boy-doom/main/ap/doom/src/deh_str.c

@@ -80,7 +80,7 @@ static deh_substitution_t *SubstitutionForString(const char *s)
 // Look up a string to see if it has been replaced with something else
 // This will be used throughout the program to substitute text
 
-char *DEH_String(char *s)
+const char *DEH_String(const char *s)
 {
     deh_substitution_t *subst;
 
@@ -366,9 +366,9 @@ static boolean ValidFormatReplacement(const char *original, const char *replacem
 
 // Get replacement format string, checking arguments.
 
-static const char *FormatStringReplacement(char *s)
+static const char *FormatStringReplacement(const char *s)
 {
-    char *repl;
+    const char *repl;
 
     repl = DEH_String(s);
 
@@ -385,7 +385,7 @@ static const char *FormatStringReplacement(char *s)
 
 // printf(), performing a replacement on the format string.
 
-void DEH_printf(char *fmt, ...)
+void DEH_printf(const char *fmt, ...)
 {
     va_list args;
     const char *repl;
@@ -417,7 +417,7 @@ void DEH_fprintf(FILE *fstream, char *fmt, ...)
 
 // snprintf(), performing a replacement on the format string.
 
-void DEH_snprintf(char *buffer, size_t len, char *fmt, ...)
+void DEH_snprintf(char *buffer, size_t len, const char *fmt, ...)
 {
     va_list args;
     const char *repl;

fw/s3-boy-doom/main/ap/doom/src/deh_str.h

@@ -24,10 +24,10 @@
 
 // Used to do dehacked text substitutions throughout the program
 
-char *DEH_String(char *s) PRINTF_ARG_ATTR(1);
-void DEH_printf(char *fmt, ...) PRINTF_ATTR(1, 2);
+const char *DEH_String(const char *s) PRINTF_ARG_ATTR(1);
+void DEH_printf(const char *fmt, ...) PRINTF_ATTR(1, 2);
 void DEH_fprintf(FILE *fstream, char *fmt, ...) PRINTF_ATTR(2, 3);
-void DEH_snprintf(char *buffer, size_t len, char *fmt, ...) PRINTF_ATTR(3, 4);
+void DEH_snprintf(char *buffer, size_t len, const char *fmt, ...) PRINTF_ATTR(3, 4);
 void DEH_AddStringReplacement(const char *from_text, const char *to_text);
 
 

fw/s3-boy-doom/main/ap/doom/src/f_finale.c

@@ -61,8 +61,8 @@ typedef struct
 {
     GameMission_t mission;
     int episode, level;
-    char *background;
-    char *text;
+    const char *background;
+    const char *text;
 } textscreen_t;
 
 static textscreen_t textscreens[] =
@@ -94,8 +94,8 @@ static textscreen_t textscreens[] =
     { pack_plut, 1, 31, "RROCK19",   P6TEXT},
 };
 
-char*	finaletext;
-char*	finaleflat;
+const char*	finaletext;
+const char*	finaleflat;
 
 void	F_StartCast (void);
 void	F_CastTicker (void);
@@ -299,7 +299,7 @@ void F_TextWrite (void)
 //
 typedef struct
 {
-    char		*name;
+    const char		*name;
     mobjtype_t	type;
 } castinfo_t;
 

fw/s3-boy-doom/main/ap/doom/src/hu_stuff.c

@@ -62,7 +62,7 @@
 
 
 
-char *chat_macros[10] =
+const char *chat_macros[10] =
 {
     HUSTR_CHATMACRO0,
     HUSTR_CHATMACRO1,
@@ -76,7 +76,7 @@ char *chat_macros[10] =
     HUSTR_CHATMACRO9
 };
 
-char*	player_names[] =
+const char*	player_names[] =
 {
     HUSTR_PLRGREEN,
     HUSTR_PLRINDIGO,
@@ -110,7 +110,7 @@ static boolean		headsupactive = false;
 // The actual names can be found in DStrings.h.
 //
 
-char*	mapnames[] =	// DOOM shareware/registered/retail (Ultimate) names.
+const char*	mapnames[] =	// DOOM shareware/registered/retail (Ultimate) names.
 {
 
     HUSTR_E1M1,
@@ -164,7 +164,7 @@ char*	mapnames[] =	// DOOM shareware/registered/retail (Ultimate) names.
     "NEWLEVEL"
 };
 
-char*   mapnames_chex[] =   // Chex Quest names.
+const char*   mapnames_chex[] =   // Chex Quest names.
 {
 
     HUSTR_E1M1,
@@ -224,7 +224,7 @@ char*   mapnames_chex[] =   // Chex Quest names.
 // the layout in the Vanilla executable, where it is possible to
 // overflow the end of one array into the next.
 
-char *mapnames_commercial[] =
+const char *mapnames_commercial[] =
 {
     // DOOM 2 map names.
 
@@ -370,7 +370,7 @@ void HU_Start(void)
 {
 
     int		i;
-    char*	s;
+    const char*	s;
 
     if (headsupactive)
 	HU_Stop();
@@ -595,7 +595,7 @@ boolean HU_Responder(event_t *ev)
 {
 
     static char		lastmessage[HU_MAXLINELENGTH+1];
-    char*		macromessage;
+    const char*		macromessage;
     boolean		eatkey = false;
     static boolean	altdown = false;
     unsigned char 	c;

fw/s3-boy-doom/main/ap/doom/src/hu_stuff.h

@@ -53,7 +53,7 @@ void HU_Drawer(void);
 char HU_dequeueChatChar(void);
 void HU_Erase(void);
 
-extern char *chat_macros[10];
+extern const char *chat_macros[10];
 
 #endif
 

fw/s3-boy-doom/main/ap/doom/src/i_gbsound.c

@@ -17,6 +17,7 @@
 //	System interface for sound.
 //
 
+#if 0
 #include "config.h"
 
 #include <stdio.h>
@@ -136,164 +137,16 @@ static int current_sound_lump_num = -1;
 
 static int I_SDL_StartSound(sfxinfo_t *sfxinfo, int channel, int vol, int sep, int pitch)
 {
-  //printf("sound : I_SDL_StartSound %d %d %d %d\n", channel, vol, sep, pitch);
-
-
-
-  unsigned int lumplen;
-  int samplerate;
-  unsigned int length;
-  static int lumpnum = -1;
-  static byte *data = NULL;
-  static byte *p_out_buf = NULL;
-
-  // need to load the sound
-#if 0
-  @baram
-  if (drvAudioGetReady() == false)
-  {
-    audioStop();
-  }
-
-  if (data != NULL)
-  {
-    W_ReleaseLumpNum(lumpnum);
-  }
-  if (p_out_buf != NULL)
-  {
-    memFree(p_out_buf);
-  }
-#else
-  if (data != NULL)
-  {
-    W_ReleaseLumpNum(lumpnum);
-  }
-#endif
-
-
-  lumpnum = sfxinfo->lumpnum;
-  data = W_CacheLumpNum(lumpnum, PU_STATIC);
-  lumplen = W_LumpLength(lumpnum);
-
-  // Check the header, and ensure this is a valid sound
-
-  current_sound_lump = data;
-  current_sound_lump_num = channel;
-
-
-  if (lumplen < 8
-      || data[0] != 0x03 || data[1] != 0x00)
-  {
-    // Invalid sound
-
-    return false;
-  }
-
-
-  // 16 bit sample rate field, 32 bit length field
-
-  samplerate = (data[3] << 8) | data[2];
-  length = (data[7] << 24) | (data[6] << 16) | (data[5] << 8) | data[4];
-
-
-  // If the header specifies that the length of the sound is greater than
-  // the length of the lump itself, this is an invalid sound lump
-
-  // We also discard sound lumps that are less than 49 samples long,
-  // as this is how DMX behaves - although the actual cut-off length
-  // seems to vary slightly depending on the sample rate.  This needs
-  // further investigation to better understand the correct
-  // behavior.
-
-  if (length > lumplen - 8 || length <= 48)
-  {
-    return false;
-  }
-
-  // The DMX sound library seems to skip the first 16 and last 16
-  // bytes of the lump - reason unknown.
-
-  data += 16;
-  length -= 32;
-
-  static int max_length = 0;
-
-  if (length > max_length) max_length = length;
-
-  //printf("%dHz, %dB, ch %d, %d, %d\n", samplerate, length , channel, max_length, data[0]);
-
-
-  for (int i=0; i<NUM_CHANNELS; i++)
-  {
-    if (p_sound_buf[i].is_busy == true && p_sound_buf[i].channel == channel)
-    {
-      p_sound_buf[i].request_stop = true;
-    }
-  }
-
-  ch_index = (ch_index + 1) % NUM_CHANNELS;
-
-  memcpy(p_sound_buf[ch_index].data, data, length);
-  p_sound_buf[ch_index].channel = channel;
-  p_sound_buf[ch_index].index = 0;
-  p_sound_buf[ch_index].length = length;
-  p_sound_buf[ch_index].request_play = true;
-  p_sound_buf[ch_index].is_busy = true;
-
-  //printf("%d %d\n", ch_index, channel);
-
-  current_sound_handle = channel;
-
-  return channel;
+    return false
 }
 
 static void I_SDL_StopSound(int handle)
 {
-  //printf("sound : I_SDL_StopSound\n");
-
-  if (!sound_initialized || handle < 0 || handle >= NUM_CHANNELS)
-  {
-      return;
-  }
-
-  for (int ch=0; ch<NUM_CHANNELS; ch++)
-  {
-    if (p_sound_buf[ch].channel == handle && p_sound_buf[ch].is_busy)
-    {
-      p_sound_buf[ch].request_stop = true;
-    }
-  }
-
-  //audioStop(); @baram
 }
 
 
 static boolean I_SDL_SoundIsPlaying(int handle)
 {
-  //printf("sound : I_SDL_SoundIsPlaying\n");
-
-    if (!sound_initialized || handle < 0 || handle >= NUM_CHANNELS)
-    {
-        return false;
-    }
-
-#if 0
-    @baram
-    if (drvAudioGetReady() == false)
-    {
-      printf("Playing\n");
-      return true;
-    }
-#endif
-
-    for (int ch=0; ch<NUM_CHANNELS; ch++)
-    {
-      if (p_sound_buf[ch].channel == handle && p_sound_buf[ch].is_busy)
-      {
-        return true;
-      }
-    }
-
     return false;
 }
 
@@ -303,61 +156,10 @@ static boolean I_SDL_SoundIsPlaying(int handle)
 
 static void I_SDL_UpdateSound(void)
 {
-  uint32_t data_sum;
-  uint32_t data_index;
-  int buf_length = 0;
-
-
-  //printf("sound : I_SDL_UpdateSound\n");
-
-  return;
-
-  //buf_length = speakerAvailable(); // TODO: chcbaram
-
-
-  for (int i=0; i<256 && i<buf_length; i++)
-  {
-    data_sum = 0;
-    data_index = 0;
-    for (int ch=0; ch<NUM_CHANNELS; ch++)
-    {
-      if (p_sound_buf[ch].request_stop == true)
-      {
-        p_sound_buf[ch].request_stop = false;
-        p_sound_buf[ch].is_busy = false;
-      }
-
-      if (p_sound_buf[ch].is_busy)
-      {
-        data_sum += p_sound_buf[ch].data[p_sound_buf[ch].index++];
-        data_index++;
-
-        if (p_sound_buf[ch].index >= p_sound_buf[ch].length)
-        {
-          p_sound_buf[ch].is_busy = false;
-        }
-      }
-    }
-    if (data_index > 0)
-    {
-      data_sum = data_sum / data_index;
-    }
-    //speakerPutch(data_sum);
-  }
 }
 
 static void I_SDL_ShutdownSound(void)
 {
-  printf("sound : I_SDL_ShutdownSound\n");
-
-    if (!sound_initialized)
-    {
-        return;
-    }
-
-
-
-    sound_initialized = false;
 }
 
 
@@ -365,98 +167,9 @@ static void threadAudio(void const *argument);
 
 static boolean I_SDL_InitSound(boolean _use_sfx_prefix)
 {
-    use_sfx_prefix = _use_sfx_prefix;
-    sound_initialized = true;
-
-
-    p_sound_buf = (sound_buf_t *)malloc(sizeof(sound_buf_t) * NUM_CHANNELS);
-
-    for (int i=0; i<NUM_CHANNELS; i++)
-    {
-      p_sound_buf[i].is_busy = false;
-      p_sound_buf[i].request_stop = false;
-      p_sound_buf[i].request_play = false;
-      p_sound_buf[i].channel = 0;
-      p_sound_buf[i].index = 0;
-      p_sound_buf[i].length = 0;
-    }
-
-// TODO chcbaram
-#if 0
-    //speakerEnable();
-    //speakerStart(11025);
-    i2sSetSampleRate(11025);
-
-    if (xTaskCreate(threadAudio, "threadAudio", 4*1024, NULL, 5, NULL) != pdPASS)
-    {
-      logPrintf("[NG] threadAudio()\n");   
-    }  
-
-#endif
-    printf("sound : I_SDL_InitSound\n");
-    return true;
+    return false;
 }
 
-// TODO: chcbaram
-#if 1
-static void threadAudio(void const *argument)
-{
-  uint32_t data_sum;
-  uint32_t data_index;
-  int buf_length;
-  audio_t audio;
-  int16_t buf[256];
-  uint32_t buf_len;
-
-
-  audioOpen(&audio);
-
-  while(1)
-  {
-    buf_length = audioAvailableForWrite(&audio);
-    buf_len = 0;
-    if (buf_length >= 32)
-    {
-      for (int i=0; i<32; i++)
-      {
-        data_sum = 0;
-        data_index = 0;
-        for (int ch=0; ch<NUM_CHANNELS; ch++)
-        {
-          if (p_sound_buf[ch].request_stop == true)
-          {
-            p_sound_buf[ch].request_stop = false;
-            p_sound_buf[ch].is_busy = false;
-          }
-
-          if (p_sound_buf[ch].is_busy)
-          {
-            //data_sum += p_sound_buf[ch].data[p_sound_buf[ch].index++];
-            data_sum = mixerSamples(data_sum, p_sound_buf[ch].data[p_sound_buf[ch].index++]<<4);
-            data_index++;
-
-            if (p_sound_buf[ch].index >= p_sound_buf[ch].length)
-            {
-              p_sound_buf[ch].is_busy = false;
-            }
-          }
-        }
-        if (data_index > 0)
-        {
-          //data_sum = data_sum / data_index;
-        }
-        buf[buf_len] = data_sum;
-        buf_len++;        
-      }
-      audioWrite(&audio, buf, buf_len);
-    }
-    delay(1);
-  }
-  audioClose(&audio);
-}
-#endif
-
-
 #if 1
 static snddevice_t sound_sdl_devices[] = 
 {
@@ -489,3 +202,4 @@ sound_module_t sound_sdl_module =
     I_SDL_PrecacheSounds,
 };
 
+#endif

fw/s3-boy-doom/main/ap/doom/src/i_joystick.c

@@ -53,7 +53,7 @@ static SDL_Joystick *joystick = NULL;
 static int usejoystick = 1;
 
 // SDL GUID and index of the joystick to use.
-static char *joystick_guid = "";
+static const char *joystick_guid = "";
 static int joystick_index = -1;
 
 // Which joystick axis to use for horizontal movement, and whether to

fw/s3-boy-doom/main/ap/doom/src/i_sound.c

@@ -49,7 +49,7 @@ int snd_maxslicetime_ms = 28;
 
 // External command to invoke to play back music.
 
-char *snd_musiccmd = "";
+const char *snd_musiccmd = "";
 
 // Whether to vary the pitch of sound effects
 // Each game will set the default differently
@@ -95,10 +95,6 @@ static int snd_mport = 0;
 
 static sound_module_t *sound_modules[] = 
 {
-    &sound_sdl_module,
-#ifdef FEATURE_SOUND
-    &sound_pcsound_module,
-#endif
     NULL,
 };
 
@@ -106,10 +102,6 @@ static sound_module_t *sound_modules[] =
 
 static music_module_t *music_modules[] =
 {
-#ifdef FEATURE_SOUND
-    &music_sdl_module,
-    &music_opl_module,
-#endif
     NULL,
 };
 

fw/s3-boy-doom/main/ap/doom/src/i_sound.h

@@ -232,7 +232,7 @@ extern int snd_musicdevice;
 extern int snd_samplerate;
 extern int snd_cachesize;
 extern int snd_maxslicetime_ms;
-extern char *snd_musiccmd;
+extern const char *snd_musiccmd;
 extern int snd_pitchshift;
 
 void I_BindSoundVariables(void);

fw/s3-boy-doom/main/ap/doom/src/i_system.c

@@ -92,43 +92,19 @@ void I_Tactile(int on, int off, int total)
 // by trying progressively smaller zone sizes until one is found that
 // works.
 
+size_t heap_caps_get_largest_free_block(uint32_t caps);
 static byte *AutoAllocMemory(int *size, int default_ram, int min_ram)
 {
     byte *zonemem;
 
-    // Allocate the zone memory.  This loop tries progressively smaller
-    // zone sizes until a size is found that can be allocated.
-    // If we used the -mb command line parameter, only the parameter
-    // provided is accepted.
+    size_t avail_ram = heap_caps_get_largest_free_block(0);
 
-    zonemem = NULL;
+    *size = avail_ram * 3/4;
+    zonemem = malloc(*size);
 
-    while (zonemem == NULL)
-    {
-        // We need a reasonable minimum amount of RAM to start.
+    if (!zonemem) *size = 0;
 
-        if (default_ram < min_ram)
-        {
-            I_Error("Unable to allocate %i MiB of RAM for zone", default_ram);
-        }
-
-        // Try to allocate the zone memory.
-
-        *size = default_ram * 1024 * 1024;
-#ifdef ORIGCODE
-        zonemem = malloc(*size);
-#else
-        zonemem = malloc(*size);
-#endif
-
-        // Failed to allocate?  Reduce zone size until we reach a size
-        // that is acceptable.
-
-        if (zonemem == NULL)
-        {
-            default_ram -= 1;
-        }
-    }
+    printf("Allocated %d bytes for zone @%p\n", *size, zonemem);
 
     return zonemem;
 }

fw/s3-boy-doom/main/ap/doom/src/i_video.c

@@ -84,7 +84,7 @@ static uint32_t pixel_format;
 static SDL_Color palette[256];
 static boolean palette_to_set;
 #else
-static char *window_title = "";
+static const char *window_title = "";
 #endif
 
 
@@ -134,11 +134,11 @@ int png_screenshots = 0;
 
 // SDL video driver name
 
-char *video_driver = "";
+const char *video_driver = "";
 
 // Window position:
 
-char *window_position = "center";
+const char *window_position = "center";
 
 // SDL display number on which to run.
 
@@ -160,7 +160,7 @@ static int max_scaling_buffer_pixels = 16000000;
 
 // Run in full screen mode?  (int type for config code)
 
-int fullscreen = false;
+int fullscreen = true;
 
 // Aspect ratio correction mode
 
@@ -817,29 +817,33 @@ static void drawScreenNormal(void)
     return;
   }
 
-  _Static_assert(HW_LCD_WIDTH == 240);
-  const int x_offset = 0;
 
-#if HW_LCD_HEIGHT < 180
-#define USE_HEIGHT HW_LCD_HEIGHT
-  const int y_offset = 0;
+  // vga mode 13h did not have square pixels, since it was displayed
+  // on a 4:3 screen.  Use 320x240 as the basis for calculating our scaling factors
+#if HW_LCD_WIDTH * 240 < HW_LCD_HEIGHT * 320
+  // LCD is relatively wider than native screen, display will be letterboxed
+  const int use_height = LCD_WIDTH * 240 / 320;
+  const int use_width = LCD_WIDTH;
 #else
-#define USE_HEIGHT 180
-  const int y_offset = (240 - USE_HEIGHT)/2;
+  const int use_width = LCD_HEIGHT * 320 / 240;
+  const int use_height = LCD_HEIGHT;
+  // LCD is relatively taller than native screen, display will be pillarboxed
 #endif
+  const int x_offset = (LCD_WIDTH - use_width) / 2;
+  const int y_offset = (LCD_HEIGHT - use_height) / 2;
 
-  resizePixels(I_VideoBuffer, fullscreen_buffer, 320, 200, HW_LCD_WIDTH, USE_HEIGHT);
+  resizePixels(I_VideoBuffer, fullscreen_buffer, 320, 200, use_width, use_height);
 
   uint16_t *p_buf = lcdGetFrameBuffer();
 
-  for (y = 0; y < USE_HEIGHT; y++)
+  for (y = 0; y < use_height; y++)
   {
-    for (x = 0; x < HW_LCD_WIDTH; x++)
+    for (x = 0; x < use_width; x++)
     {
-      index  = fullscreen_buffer[y * HW_LCD_WIDTH + x];
+      index  = fullscreen_buffer[y * use_width + x];
       rgb565 = rgb565_palette[index];
 
-      p_buf[(y+y_offset) * HW_LCD_WIDTH + x] = rgb565;
+      p_buf[(y+y_offset) * LCD_WIDTH + x + x_offset] = rgb565;
     }
   }
   lcdRequestDraw();
@@ -884,7 +888,6 @@ static void drawScreenNormal(void)
 
 static void drawScreenFull(void)
 {
-  int x, y;
   byte index;
   uint16_t rgb565;
 
@@ -893,28 +896,17 @@ static void drawScreenFull(void)
     return;
   }
 
-  int x_offset;
-  int y_offset;
-
-  x_offset = 0;
-  y_offset = 0;
-
-
   resizePixels(I_VideoBuffer, fullscreen_buffer, 320, 200, HW_LCD_WIDTH, HW_LCD_HEIGHT);
 
 
   uint16_t *p_buf = lcdGetFrameBuffer();
 
 
-  for (y = 0; y < HW_LCD_HEIGHT; y++)
-  {
-    for (x = 0; x < HW_LCD_WIDTH; x++)
-    {
-      index  = fullscreen_buffer[y * HW_LCD_WIDTH + x];
-      rgb565 = rgb565_palette[index];
+  for (int i = 0; i < HW_LCD_HEIGHT * HW_LCD_WIDTH; i++) {
+    index  = fullscreen_buffer[i];
+    rgb565 = rgb565_palette[index];
 
-      p_buf[(y+y_offset) * HW_LCD_WIDTH + x] = rgb565;
-    }
+    p_buf[i] = rgb565;
   }
   lcdRequestDraw();
 }

fw/s3-boy-doom/main/ap/doom/src/i_video.h

@@ -78,7 +78,7 @@ void I_StartTic (void);
 
 void I_EnableLoadingDisk(int xoffs, int yoffs);
 
-extern char *video_driver;
+extern const char *video_driver;
 extern boolean screenvisible;
 
 extern int vanilla_keyboard_mapping;
@@ -94,7 +94,7 @@ extern int integer_scaling;
 extern int vga_porch_flash;
 extern int force_software_renderer;
 
-extern char *window_position;
+extern const char *window_position;
 void I_GetWindowPosition(int *x, int *y, int w, int h);
 
 // Joystic/gamepad hysteresis

fw/s3-boy-doom/main/ap/doom/src/m_config.h

@@ -26,15 +26,15 @@ void M_LoadDefaults(void);
 void M_SaveDefaults(void);
 void M_SaveDefaultsAlternate(char *main, char *extra);
 void M_SetConfigDir(const char *dir);
-void M_BindIntVariable(char *name, int *variable);
-void M_BindFloatVariable(char *name, float *variable);
-void M_BindStringVariable(char *name, char **variable);
-boolean M_SetVariable(char *name, char *value);
-int M_GetIntVariable(char *name);
+void M_BindIntVariable(const char *name, int *variable);
+void M_BindFloatVariable(const char *name, float *variable);
+void M_BindStringVariable(const char *name, char **variable);
+boolean M_SetVariable(const char *name, char *value);
+int M_GetIntVariable(const char *name);
 const char *M_GetStringVariable(char *name);
-float M_GetFloatVariable(char *name);
-void M_SetConfigFilenames(char *main_config, char *extra_config);
-char *M_GetSaveGameDir(char *iwadname);
+float M_GetFloatVariable(const char *name);
+void M_SetConfigFilenames(const char *main_config, char *extra_config);
+const char *M_GetSaveGameDir(char *iwadname);
 
 extern const char *configdir;
 

fw/s3-boy-doom/main/ap/doom/src/w_main.c

@@ -49,7 +49,7 @@ boolean W_ParseCommandLine(void)
     {
         for (p = p + 1; p<myargc && myargv[p][0] != '-'; ++p)
         {
-            char *filename;
+            const char *filename;
 
             modifiedgame = true;
 
@@ -77,7 +77,7 @@ boolean W_ParseCommandLine(void)
     {
         for (p = p + 1; p<myargc && myargv[p][0] != '-'; ++p)
         {
-            char *filename;
+            const char *filename;
 
             modifiedgame = true;
 
@@ -104,7 +104,7 @@ boolean W_ParseCommandLine(void)
     {
         for (p = p + 1; p<myargc && myargv[p][0] != '-'; ++p)
         {
-            char *filename;
+            const char *filename;
 
             modifiedgame = true;
 
@@ -129,7 +129,7 @@ boolean W_ParseCommandLine(void)
     {
         for (p = p + 1; p<myargc && myargv[p][0] != '-'; ++p)
         {
-            char *filename;
+            const char *filename;
 
             modifiedgame = true;
             filename = D_TryFindWADByName(myargv[p]);
@@ -152,7 +152,7 @@ boolean W_ParseCommandLine(void)
     {
         for (p = p + 1; p<myargc && myargv[p][0] != '-'; ++p)
         {
-            char *filename;
+            const char *filename;
 
             modifiedgame = true;
 
@@ -178,7 +178,7 @@ boolean W_ParseCommandLine(void)
 	modifiedgame = true;            // homebrew levels
 	while (++p != myargc && myargv[p][0] != '-')
         {
-            char *filename;
+            const char *filename;
 
             filename = D_TryFindWADByName(myargv[p]);