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Load_MOTO() / Save_MOTO(): supports bm4, 80col and bm16 in BIN format

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This commit is contained in:
Thomas Bernard 2018-11-18 00:20:15 +01:00
parent 15eee8ff5b
commit 8354c548a0
1 changed files with 40 additions and 16 deletions
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56
src/miscfileformats.c
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@ -4938,7 +4938,7 @@ void Load_MOTO(T_IO_Context * context)
byte code;
word length, address;
int transpose = 1;
enum MOTO_mode { F_40col, F_80col, F_bm4, F_bm16 } mode = F_40col;
enum MOTO_Graphic_Mode mode = MOTO_MODE_40col;
enum PIXEL_RATIO ratio = PIXEL_SIMPLE;
int width = 320, height = 200, columns = 40;
@ -4984,20 +4984,20 @@ void Load_MOTO(T_IO_Context * context)
default:
case 0: // bitmap4 or 40col
width = 8 * columns;
mode = F_40col; // default to 40col
mode = MOTO_MODE_40col; // default to 40col
bpp = 4;
break;
case 0x40: // bitmap16
columns >>= 1;
width = 4 * columns;
mode = F_bm16;
mode = MOTO_MODE_bm16;
bpp = 4;
ratio = PIXEL_WIDE;
break;
case 0x80: // 80col
columns >>= 1;
width = 16 * columns;
mode = F_80col;
mode = MOTO_MODE_80col;
bpp = 1;
ratio = PIXEL_TALL;
break;
@ -5027,7 +5027,7 @@ void Load_MOTO(T_IO_Context * context)
GFX2_Log(GFX2_DEBUG, "CONSOLE,,,,%u\n", data);
if(data == 2)
{
mode = F_bm4;
mode = MOTO_MODE_bm4;
bpp = 2;
}
for (i = 0; i < 16; i++)
@ -5050,7 +5050,7 @@ void Load_MOTO(T_IO_Context * context)
GFX2_Log(GFX2_DEBUG, "CONSOLE,,,,%u\n", data);
if(data == 2)
{
mode = F_bm4;
mode = MOTO_MODE_bm4;
bpp = 2;
}
snprintf(context->Comment, sizeof(context->Comment), "PPM .MAP file");
@ -5088,7 +5088,7 @@ void Load_MOTO(T_IO_Context * context)
i += columns; // to the next line
if (i >= columns * height)
{
if (mode == F_bm4 || mode == F_40col)
if (mode == MOTO_MODE_bm4 || mode == MOTO_MODE_40col)
i -= (columns * height - 1); // to the 1st line of the next column
else
{
@ -5110,7 +5110,7 @@ void Load_MOTO(T_IO_Context * context)
i += columns; // to the next line
if (i >= columns * height)
{
if (mode == F_bm4 || mode == F_40col)
if (mode == MOTO_MODE_bm4 || mode == MOTO_MODE_40col)
i -= (columns * height - 1); // to the 1st line of the next column
else
{
@ -5169,7 +5169,11 @@ void Load_MOTO(T_IO_Context * context)
vram_couleur[8000+x*2]<<8 | vram_couleur[8000+x*2+1]);
}
if (length >= 8064)
{
memcpy(context->Comment, vram_couleur + 8032, 32);
if (vram_couleur[8063] >= '0' && vram_couleur[8063] <= '3')
mode = vram_couleur[8063] - '0';
}
context->Comment[COMMENT_SIZE] = '\0';
}
length = 0;
@ -5179,6 +5183,23 @@ void Load_MOTO(T_IO_Context * context)
fseek(file, length, SEEK_CUR);
} while(code == 0);
fclose(file);
switch (mode)
{
case MOTO_MODE_40col: // default
break;
case MOTO_MODE_bm4:
bpp = 2;
break;
case MOTO_MODE_80col:
bpp = 1;
width = 640;
ratio = PIXEL_TALL;
break;
case MOTO_MODE_bm16:
width = 160;
ratio = PIXEL_WIDE;
break;
}
}
else
{
@ -5209,11 +5230,11 @@ void Load_MOTO(T_IO_Context * context)
break;
case 4:
bpp = 2;
mode = F_bm4;
mode = MOTO_MODE_bm4;
break;
default:
bpp = 1;
mode = F_80col;
mode = MOTO_MODE_80col;
width = 640;
ratio = PIXEL_TALL;
}
@ -5236,7 +5257,7 @@ void Load_MOTO(T_IO_Context * context)
ext[-1] = (ext[-1] & 32) | 'C';
if (n_colors == 16)
{
mode = F_bm16;
mode = MOTO_MODE_bm16;
width = 160;
ratio = PIXEL_WIDE;
}
@ -5295,11 +5316,11 @@ void Load_MOTO(T_IO_Context * context)
if (vram_couleur)
couleurs = vram_couleur[i];
else
couleurs = (mode == F_40col) ? 0x01 : 0x00;
couleurs = (mode == MOTO_MODE_40col) ? 0x01 : 0x00;
i++;
switch(mode)
{
case F_bm4:
case MOTO_MODE_bm4:
for (x = bx*8; x < bx*8+8; x++)
{
Set_pixel(context, x, y, ((forme & 0x80) >> 6) | ((couleurs & 0x80) >> 7));
@ -5319,13 +5340,13 @@ void Load_MOTO(T_IO_Context * context)
}
#endif
break;
case F_bm16:
case MOTO_MODE_bm16:
Set_pixel(context, bx*4, y, forme >> 4);
Set_pixel(context, bx*4+1, y, forme & 0x0F);
Set_pixel(context, bx*4+2, y, couleurs >> 4);
Set_pixel(context, bx*4+3, y, couleurs & 0x0F);
break;
case F_80col:
case MOTO_MODE_80col:
for (x = bx*16; x < bx*16+8; x++)
{
Set_pixel(context, x, y, (forme & 0x80) >> 7);
@ -5334,7 +5355,7 @@ void Load_MOTO(T_IO_Context * context)
couleurs <<= 1;
}
break;
case F_40col:
case MOTO_MODE_40col:
default:
if (transpose)
{
@ -5990,6 +6011,9 @@ void Save_MOTO(T_IO_Context * context)
strncpy((char *)vram_forme + 8032, context->Comment, 32);
else
snprintf((char *)vram_forme + 8032, 32, "GrafX2 %s.%s", Program_version, SVN_revision);
// also saves the video mode
//*((char *)vram_forme + 8063) = '0' + mode;
vram_forme[8063] = '0' + mode;
memcpy(vram_couleur + 8000, vram_forme + 8000, 64);
}