shrink code, now 5976 bytes free. update cart.txt

1 files changed, 39 insertions, 33 deletions

diff --git a/taipan.c b/taipan.c
index 7f1c206..31fcf3e 100644
--- a/taipan.c
+++ b/taipan.c
@@ -117,6 +117,12 @@ extern void clrtoeol(void);
 /* print 'count' spaces: */
 extern void __fastcall__ cspaces(unsigned char count);
 
+/* avoid calling/linking conio's revers() function. This saves us
+	49 bytes (2 per call to revers(), plus these functions are smaller
+	than conio's revers() because they return void) */
+extern void rvs_on(void);
+extern void rvs_off(void);
+
 /* asm funcs from draw_lorcha.s for drawing/animating enemy ships.
 	used by sea_battle() */
 extern void __fastcall__ draw_lorcha(int which);
@@ -578,9 +584,9 @@ void cprintulong(unsigned long ul) {
 void at_sea(void) {
 	gotoxy(30, 6);
 	cspace();
-	revers(1);
+	rvs_on();
 	cputs(location[0]);
-	revers(0);
+	rvs_off();
 
 	cspaces(3);
 }
@@ -694,13 +700,13 @@ void cprintfancy_centered(unsigned long num) {
 		cspaces(3);
 		if(num < 100L) cspace();
 		if(num < 10000L) cspace();
-		revers(1);
+		rvs_on();
 		cprintulong(num);
 	} else {
-		revers(1);
+		rvs_on();
 		cprintfancy(num);
 	}
-	revers(0);
+	rvs_off();
 }
 
 /* if BIGNUM, cprintfancy() just converts to bignum and uses
@@ -787,10 +793,10 @@ void hide_cursor() {
 */
 
 void update_guns() {
-	revers(1);
+	rvs_on();
 	gotoxy(31, 1);
 	justify_int(guns);
-	revers(0);
+	rvs_off();
 	// hide_cursor();
 }
 
@@ -885,13 +891,13 @@ int sea_battle(int id, int num_ships) {
 /* the static part of "we have N guns" display, gets printed
 	only once per battle. Bloats the code by 30-odd bytes, but
 	updates are smoother-looking. Maybe. */
-	revers(1);
+	rvs_on();
 	gotoxy(30, 0);
 	cputs("   We have");
 	gotoxy(30, 1);
 	cspaces(6);
 	cputs("guns");
-	revers(0);
+	rvs_off();
 	update_guns();
 
    fight_stats(num_ships, orders);
@@ -1610,18 +1616,18 @@ void port_stats(void)
 	*/
 
 	gotoxy(32, 3);
-	// revers(1); 
+	// rvs_on(); 
    cputs(months + 4 * (month - 1));
-	// revers(0); 
+	// rvs_off(); 
 	cspace();
 	cprintulong(year);
 
 	gotoxy(30, 6);
 	cblank(10);
-	revers(1); 
+	rvs_on(); 
 	if(port == 4 || port == 5) cspace();
 	cputs(location[port]); 
-	revers(0); 
+	rvs_off(); 
 
 	gotoxy(28, 9);
 	clrtoeol();
@@ -1630,11 +1636,11 @@ void port_stats(void)
 	gotoxy(29, 12);
 	clrtoeol();
    i = status / 20;
-   // if(i < 2) revers(1);
+   // if(i < 2) rvs_on();
 	cputs(st[i]);
 	cputc(':');
 	cprintulong(status);
-	// revers(0); 
+	// rvs_off(); 
 
 	gotoxy(6, 14);
 	cblank(14);
@@ -1748,7 +1754,7 @@ void aire(void) {
 
 void retire(void) {
 	compradores_report();
-	revers(1);
+	rvs_on();
 	// cspaces(29);
 	// crlf();
 	retire_blanks();
@@ -1769,7 +1775,7 @@ void retire(void) {
 	// cspaces(29);
 	// crlf();
 	retire_blanks();
-	revers(0);
+	rvs_off();
    timed_getch();
 
    final_stats();
@@ -1842,7 +1848,7 @@ void final_stats(void)
       cputc_s();
    }
    cputs("\r\n\n");
-	revers(1);
+	rvs_on();
 	cputs("Your score is ");
 #ifdef BIGNUM
 	cprintfancy_big(bigscore);
@@ -1850,7 +1856,7 @@ void final_stats(void)
 	cprintulong(score);
 #endif
 	cputs(".\r\n");
-	revers(0);
+	rvs_off();
    if ((score < 100) && (score >= 0))
    {
       cputs("Have you considered a land based job?\r\n\n\n");
@@ -1871,10 +1877,10 @@ void final_stats(void)
 
    if (score > 49999L)
    {
-		revers(1);
+		rvs_on();
    }
    cputs("Ma Tsu");
-	revers(0);
+	rvs_off();
 	cspaces(9);
    cputs("50,000 and over |\r\n");
 	cprint_pipe();
@@ -1882,21 +1888,21 @@ void final_stats(void)
 
    if ((score < 50000L) && (score > 7999L))
    {
-		revers(1);
+		rvs_on();
    }
    cputs("Master Taipan");
-	revers(0);
+	rvs_off();
    cputs("   8,000 to 49,999|\r\n");
 	cprint_pipe();
    // cputc('|');
 
    if ((score < 8000L) && (score > 999L))
    {
-		revers(1);
+		rvs_on();
    }
    // cputs("Taipan");
 	cprint_taipan();
-	revers(0);
+	rvs_off();
 	cspaces(10);
    cputs("1,000 to  7,999|\r\n");
 	cprint_pipe();
@@ -1904,10 +1910,10 @@ void final_stats(void)
 
    if ((score < 1000) && (score > 499))
    {
-		revers(1);
+		rvs_on();
    }
    cputs("Compradore");
-	revers(0);
+	rvs_off();
 	cspaces(8);
    cputs("500 to    999|\r\n");
 	cprint_pipe();
@@ -1915,10 +1921,10 @@ void final_stats(void)
 
    if (score < 500)
    {
-		revers(1);
+		rvs_on();
    }
    cputs("Galley Hand");
-	revers(0);
+	rvs_off();
 	cspaces(7);
    cputs("less than 500|\r\n");
 
@@ -2921,15 +2927,15 @@ void buy(void) {
       clrtobot();
 
       afford = cash / price[choice];
-		revers(1);
+		rvs_on();
       cputs(" You can ");
-		revers(0);
+		rvs_off();
       gotoxy(0, 22);
 		how_much();
       cputs(item[choice]);
       cputs(" shall");
       gotoxy(31, 22);
-		revers(1);
+		rvs_on();
       cputs("  afford ");
       gotoxy(31, 23);
 		// cspaces(9);
@@ -2942,7 +2948,7 @@ void buy(void) {
 		if(afford < 100000000) cspace();
 
 		cprintulong(afford);
-		revers(0);
+		rvs_off();
 
       gotoxy(0, 23);
       cputs("I buy, ");