Changeset 43ea417 in buchla-emu for emu

Timestamp:

08/26/2017 11:36:48 PM (7 years ago)

Author:

Alexander Heinrich <alex.heinrich@…>

Branches:

master

Children:

5475ecf

Parents:

7ba68aa

Message:

Render text in midas lcd screen

File:

• emu/lcd.c (modified) (17 diffs)

emu/lcd.c

@@ -22 +22 @@
 #define ver3(...) _ver(lcd_verbose, 2, __VA_ARGS__)
 
-#define WIN_W (1520 * 2 / 3)
-#define WIN_H (950 * 2 / 3)
+#define WIN_W (1634 * 2 / 3)
+#define WIN_H (342 * 2 / 3)
 
 #define CON_W 86
-#define CON_H 25
+#define CON_H 9
 
 #define CON_BGR 0x00000000
@@ -47 +47 @@
 #define G_ERASE         0x52
 #define G_SLEEP         0x53
-#define G_DSPCTL        0x58
+#define G_DSPOFF        0x58
+#define G_DSPON         0x59
 #define G_HSCRL         0x5A
 #define G_OVRLAY        0x5B
@@ -59 +60 @@
 static SDL_atomic_t frame;
 
+static uint32_t render = 0;
+
 static TTF_Font *fon;
 static int32_t fon_w, fon_h;
@@ -72 +75 @@
 static int32_t cur_ad_c = 0;
 
+static uint32_t last_val = 0x00;
+static uint32_t last_off = 0;
+static int32_t last_sz = -1;
+static int32_t mult_val_c = 0;
+
+static void (*cursdir)(void);
+
 int32_t lcd_verbose = 0;
 
@@ -112 +122 @@
 }
 
+static void up(void)
+{
+        if (cur_y > 0) {
+                --cur_y;
+                return;
+        }
+
+        // TODO: What happens when cursor out of bounds
+}
+
 static void down(void)
 {
@@ -119 +139 @@
         }
 
-        scroll();
+        // TODO: What happens when cursor out of bounds
 }
 
@@ -126 +146 @@
         uint32_t n_cur_y = cur_addr / 85;
 
-        printf("Cur x %u\n", n_cur_x);
-        printf("Cur y %u\n", n_cur_y);
+        ver2("lcd cur x %u\n", n_cur_x);
+        ver2("lcd cur y %u\n", n_cur_y);
+
         if (n_cur_x < CON_W - 1) {
                 cur_x = (int32_t) n_cur_x;
@@ -139 +160 @@
         }
         else {
+                cur_x = 0;
+                cur_y = 9;
                 err("invalid y cursor pos in lcd %u:%d", n_cur_y, CON_H);
         }
@@ -145 +168 @@
 static void echo(uint8_t c)
 {
-        if (c < 32) {
+        if (c >127) {
+                return;
+        }
+        else if (c < 32) {
                 switch (c) {
                 case '\r':
@@ -165 +191 @@
                 case 0:
                         mem[cur_y][cur_x] = ' ';
-                        forw();
+                        (*cursdir)();
                         break;
 
@@ -183 +209 @@
         else {
                 mem[cur_y][cur_x] = c;
-                forw();
-        }
-
-        SDL_AtomicAdd(&frame, 1);
+                (*cursdir)();
+        }
+
+        if (render) {
+                SDL_AtomicAdd(&frame, 1);
+        }
+}
+
+static void clear_mem(void) {
+        for (int32_t y = 0; y < CON_H; ++y) {
+                for (int32_t x = 0; x < CON_W; ++x) {
+                        mem[y][x] = ' ';
+                }
+
+                mem[y][CON_W] = 0;
+        }
 }
 
@@ -308 +346 @@
         }
 
-        for (int32_t y = 0; y < CON_H; ++y) {
-                for (int32_t x = 0; x < CON_W; ++x) {
-                        mem[y][x] = ' ';
-                }
-
-                mem[y][CON_W] = 0;
-        }
+        clear_mem();
 
 }
@@ -343 +375 @@
         switch (current_op) {
                 case G_MREAD:
-                        printf("current op: %d\n", current_op);
+                        ver2("lcd current op: %d\n", current_op);
                         rv = mem[cur_y][cur_x];
                         break;
+
                 default:
                         rv = 0x00;
@@ -355 +388 @@
 void lcd_write(uint32_t off, int32_t sz, uint32_t val)
 {
-        ver2("lcd wr %u:%d 0x%0*x", off, sz * 8, sz * 2, val);
+
+        if(last_val != val && mult_val_c > 0) {
+                if(mult_val_c > 1) {
+                        ver2("lcd wr %u:%d 0x%0*x was called %u more times", last_off, last_sz * 8, last_sz * 2, last_val, mult_val_c);
+                }
+                else {
+                        ver2("lcd wr %u:%d 0x%0*x", last_off, last_sz * 8, last_sz * 2, last_val);
+                }
+
+                ver2("lcd wr %u:%d 0x%0*x", off, sz * 8, sz * 2, val);
+                mult_val_c = 0;
+        }
+        else if(last_val == val && mult_val_c >= 0) {
+                ++mult_val_c;
+        }
+        else {
+                ver2("lcd wr %u:%d 0x%0*x", off, sz * 8, sz * 2, val);
+        }
+
+        last_val = val;
+        last_off = off;
+        last_sz = sz;
 
         if (off == 0) {
@@ -362 +416 @@
                                         echo((uint8_t)val);
                                 break;
+
                         case G_CRSWR:
                                 if (cur_ad_c == 0) {
@@ -372 +427 @@
                                 }
                                 break;
+
+                        case G_DSPON:
+                                // TODO Configure blinking of cursor(s)
+                                break;
+
                         default:
                                 break;
@@ -381 +441 @@
                                 current_op = G_MWRITE;
                                 break;
+
                         case G_CRSMRT:
-                                forw();
-                                break;
+                                cursdir = &forw;
+                                current_op = G_CRSMRT;
+                                break;
+
+                        case G_CRSMUP:
+                                cursdir = &up;
+                                current_op = G_CRSMUP;
+                                break;
+
+                        case G_CRSMDN:
+                                cursdir = &down;
+                                current_op = G_CRSMDN;
+                                break;
+
                         case G_CRSWR:
                                 current_op = G_CRSWR;
                                 break;
+
                         case G_MREAD:
                                 current_op = G_MREAD;
                                 break;
+
+                        case G_DSPOFF:
+                                if (SDL_SetRenderDrawColor(ren, 0x00, 0x00, 0x00, 0xff) < 0) {
+                                        fail("SDL_SetRenderDrawColor() failed: %s", SDL_GetError());
+                                }
+                                if (SDL_RenderClear(ren) < 0) {
+                                        fail("SDL_RenderClear() failed: %s", SDL_GetError());
+                                }
+                                SDL_RenderPresent(ren);
+                                render = 0;
+                                current_op = G_DSPOFF;
+                                break;
+
+                        case G_DSPON:
+                                render = 1;
+                                current_op = G_DSPON;
+                                break;
+
+                        case G_CRSFRM:
+                                // TODO Setup Cursor Form...
+                                current_op = 0x00;
+                                break;
+
                         default:
                                 current_op = 0x00;