Improve display of title and version.

makefile

@@ -2,16 +2,23 @@
 # Makefile Options
 # ----------------------------
 
-CC = clang
+CC ?= clang
 
 NAME ?= TRANSFER
+MAJOR_VERSION ?= 0
+MINOR_VERSION ?= 0
+PATCH_VERSION ?= 3
+KIND_VERSION ?= n
+BUILD_VERSION ?= -$(shell git rev-parse --short HEAD)
+FULL_VERSION ?= v$(MAJOR_VERSION).$(MINOR_VERSION).$(PATCH_VERSION)$(KIND_VERSION)$(BUILD_VERSION)
 ICON ?= transfer.png
-DESCRIPTION ?= "Variable Transfer Program"
+DESCRIPTION ?= "Variable Transfer Program $(FULL_VERSION)"
 COMPRESSED ?= YES
 ARCHIVED ?= YES
 
-CFLAGS ?= -Wall -Wextra -Oz
-CXXFLAGS ?= -Wall -Wextra -Oz
+FLAGS ?= -Wall -Wextra -Oz -DVERSION='"$(FULL_VERSION)"'
+CFLAGS ?= $(FLAGS)
+CXXFLAGS ?= $(FLAGS)
 
 EXTRA_CSOURCES ?= src/font.c
 EXTRA_USERHEADERS ?= src/ti84pceg.inc src/font.h
@@ -25,10 +32,21 @@ endif
 
 include $(CEDEV)/meta/makefile.mk
 
-src/font.h src/font.c: font/genfont
+all:
+	$(Q)echo [done] prgm$(NAME) $(FULL_VERSION)
+
+beta: KIND_VERSION = b
+beta: BUILD_VERSION =
+beta: all
+
+release: BUILD_VERSION =
+release: REV_VERSION =
+release: all
+
+src/font.h src/font.c: font/genfont makefile
 	$(Q)echo [running] $<
 	$(Q)$<
 
-font/genfont: font/genfont.c
+font/genfont: font/genfont.c makefile
 	$(Q)echo [compiling] $<
 	$(Q)$(CC) -O3 -flto $< `pkg-config --cflags --libs freetype2` -o $@

src/main.c

@@ -14,6 +14,7 @@ typedef struct mtp_global mtp_global_t;
 #define usb_transfer_data_t mtp_global_t
 
 /* Includes */
+#include "font.h"
 #include "ui.h"
 #include "var.h"
 
@@ -36,6 +37,8 @@ typedef struct mtp_global mtp_global_t;
 
 #define lengthof(array) (sizeof(array) / sizeof(*(array)))
 
+#define charsof(literal) (lengthof(literal) - 1)
+
 #define COUNT_EACH(...) +1
 
 #define OBJECT_BUFFER \
@@ -2266,10 +2269,19 @@ int main(void) {
     static mtp_global_t global;
     usb_error_t error;
     ui_Init();
-    printf("        TRANSFER v0.0.2b\n"
-           "       Connect USB to PC.\n"
-           "     Press [clear] to exit.\n"
-           "--------------------------------");
+#define CENTER(string)                    \
+    printf("%*s%.*s",                     \
+           (LCD_WIDTH / FONT_WIDTH +      \
+            charsof(string)) / 2,         \
+           string,                        \
+           charsof(string) %              \
+           (LCD_WIDTH / FONT_WIDTH) != 0, \
+           "\n");
+    CENTER("TRANSFER " VERSION);
+    CENTER("Connect USB to PC.");
+    CENTER("Press [clear] to exit.");
+    CENTER("--------------------------------");
+    ui_Lock();
     static mtp_device_info_t device_info = {
         .standard_version = 100, /* 1.00 */
         .mtp_vendor_extension_id = 6,

src/ui.c

@@ -8,9 +8,7 @@
 #include <string.h>
 #include <tice.h>
 
-#define STATIC_ROWS 4
-
-static uint8_t row, col, swap;
+static uint8_t static_rows, row, col, swap;
 #define buffer(n) (*(uint8_t (*)[4][LCD_WIDTH][LCD_HEIGHT >> 1])lcd_Ram)[(n) ^ swap]
 
 void ui_Init(void) {
@@ -31,6 +29,10 @@ void ui_Init(void) {
     *(volatile uint8_t *volatile *)&lcd_UpBase = &buffer(0)[0][0];
 }
 
+void ui_Lock(void) {
+    static_rows = row;
+}
+
 void ui_Cleanup(void) {
     boot_ClearVRAM();
     boot_TurnOn();
@@ -56,7 +58,7 @@ void outchar(char c) {
                sizeof(buffer(1)) - FONT_HEIGHT_BYTES);
         for (unsigned x = 0; x != LCD_WIDTH; ++x) {
             memcpy(&buffer(0)[x][0], &buffer(1)[x][0],
-                   FONT_HEIGHT_BYTES * STATIC_ROWS);
+                   FONT_HEIGHT_BYTES * static_rows);
             memset(&buffer(0)[x][((LCD_HEIGHT / FONT_HEIGHT - 1) *
                                   FONT_HEIGHT) >> 1], 0xFF, FONT_HEIGHT_BYTES);
         }

src/ui.h

@@ -2,6 +2,7 @@
 #define UI_H
 
 void ui_Init(void);
+void ui_Lock(void);
 void ui_Cleanup(void);
 
 #endif