move VER_STR into flash

src/calc.c

@@ -46,7 +46,7 @@ static void pop(){
 	StackPtr++; //adjust pointer
 }
 
-void push_decn(__xdata const char* signif_str, exp_t exponent){
+void push_decn(__xdata const char* signif_str, __xdata exp_t exponent){
 	if (!NoLift){
 		StackPtr--;
 	}

src/calc.h

@@ -30,7 +30,7 @@ extern "C" {
 void process_cmd(char cmd);
 
 //push_decn is equivalent to "set_x()" if no_lift is true
-void push_decn(__xdata const char* signif_str, exp_t exponent);
+void push_decn(__xdata const char* signif_str, __xdata exp_t exponent);
 extern uint8_t NoLift;
 extern uint8_t IsShifted;
 

src/lcd.c

@@ -227,6 +227,13 @@ void LCD_OutString(__xdata const char *string, uint8_t max_chars) {
 	}
 }
 
+void LCD_OutString_Initial(__code const char *string) {
+	const char *s;
+	for (s = string; *s; s++) {
+		TERMIO_PutChar(*s);
+	}
+}
+
 short TERMIO_PutChar(unsigned char letter) {
 	if (letter == CR || letter == '\n') {
 		LCD_Clear();

src/lcd.h

@@ -29,11 +29,7 @@ void LCD_Clear(void);
 void LCD_GoTo(uint8_t row, uint8_t col);
 
 void LCD_OutString(__xdata const char* string, uint8_t max_chars);
-#ifdef DESKTOP
-void LCD_OutString_Initial(__xdata const char* string, uint8_t max_chars);
-#else
-#define LCD_OutString_Initial(a, b) LCD_OutString(a, b)
-#endif
+void LCD_OutString_Initial(__code const char* string);
 short TERMIO_PutChar(unsigned char letter);
 void LCD_OutNibble(uint8_t x);
 void LCD_ClearToEnd(uint8_t curr_row);

src/lcd_emulator.c

@@ -20,6 +20,8 @@
 #include <stdio.h>
 #include <stdint.h>
 #include <ctype.h>
+#include <string.h>
+#include <assert.h>
 #include "lcd.h"
 
 #define CR 13 // \r
@@ -86,9 +88,10 @@ void LCD_OutString(const char *string, uint8_t max_chars) {
 	}
 }
 
-void LCD_OutString_Initial(const char *string, uint8_t max_chars) {
+void LCD_OutString_Initial(const char *string) {
 	enable_checks = 0;
-	LCD_OutString(string, max_chars);
+	assert(strlen(string) <= 32);
+	LCD_OutString(string, 32);
 	enable_checks = 1;
 }
 

src/main.c

@@ -139,7 +139,7 @@ static void latch_on(void)
 
 __xdata char EntryBuf[MAX_CHARS_PER_LINE + 1];
 __xdata uint8_t ExpBuf[2];
-__xdata const char VER_STR[32+1] = "STC RPN         Calculator v1.09";
+__code const char VER_STR[32+1] = "STC RPN         Calculator v1.09";
 
 
 enum {
@@ -230,7 +230,7 @@ int main()
 	ExpBuf[0] = 0;
 	ExpBuf[1] = 0;
 
-	LCD_OutString_Initial(VER_STR, 32);
+	LCD_OutString_Initial(VER_STR);
 #ifdef DESKTOP
 	LcdAvailable.release();
 #endif

src/utils.h

@@ -49,6 +49,7 @@ void backlight_off(void);
 
 #if defined(DESKTOP) || defined(IS_ECLIPSE)
 char* u32str(uint32_t x, char* buf, uint8_t base);
+#define __code
 #define __xdata
 #define __idata
 #define __sfr