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much better user interface for litenes

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This commit is contained in:
Yanyan Jiang 2020-08-12 22:06:06 +08:00 committed by Zihao Yu
parent 891375d8fa
commit ef885890c1
3 changed files with 14 additions and 9 deletions
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10
kernels/litenes/src/fce.c
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@ -6,7 +6,7 @@
#include <klib.h> #include <klib.h>
static int frame_cnt; static int frame_cnt;
bool candraw() { return frame_cnt % 3 == 0; } static inline bool candraw() { return frame_cnt % (1 + FRAME_SKIP) == 0; }
static uint32_t canvas[SCR_W * SCR_H]; static uint32_t canvas[SCR_W * SCR_H];
@ -112,9 +112,11 @@ void fce_run() {
} }
nr_draw ++; nr_draw ++;
if (uptime_ms() - last > 1000) { int upt = uptime_ms();
last = uptime_ms(); if (upt - last > 1000) {
printf("FPS = %d\n", nr_draw); last = upt;
for (int i = 0; i < 80; i++) putch('\b');
printf("(System time: %ds) FPS = %d", upt / 1000, nr_draw);
nr_draw = 0; nr_draw = 0;
} }
} }

7
kernels/litenes/src/fce.h
View file

@ -3,9 +3,10 @@
#include "common.h" #include "common.h"
#define FPS 60 #define FPS 60
#define SCR_W 256 #define SCR_W 256
#define SCR_H 240 #define SCR_H 240
#define FRAME_SKIP 1
void fce_update_screen(); void fce_update_screen();
int fce_load_rom(char *rom); int fce_load_rom(char *rom);

6
kernels/litenes/src/main.c
View file

@ -7,11 +7,13 @@ extern char rom_mario_nes[];
int main() { int main() {
ioe_init(); ioe_init();
printf("Play: [%s] SELECT [%s] START [%s]\n" printf("==================== LiteNES Emulator ====================\n\n");
" [%s] [%s] [%s] A [%s] B [%s]\n", printf("Control: [%s] SELECT [%s] START [%s]\n"
" [%s] [%s] [%s] A [%s] B [%s]\n\n",
TOSTRING(KEY_UP), TOSTRING(KEY_SELECT), TOSTRING(KEY_START), TOSTRING(KEY_UP), TOSTRING(KEY_SELECT), TOSTRING(KEY_START),
TOSTRING(KEY_LEFT), TOSTRING(KEY_DOWN), TOSTRING(KEY_RIGHT), TOSTRING(KEY_LEFT), TOSTRING(KEY_DOWN), TOSTRING(KEY_RIGHT),
TOSTRING(KEY_A), TOSTRING(KEY_B)); TOSTRING(KEY_A), TOSTRING(KEY_B));
printf("==========================================================\n");
fce_load_rom((void *)rom_mario_nes); fce_load_rom((void *)rom_mario_nes);
fce_init(); fce_init();