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Diffstat (limited to 'hw/display/sm501_template.h')
-rw-r--r--hw/display/sm501_template.h90
1 files changed, 38 insertions, 52 deletions
diff --git a/hw/display/sm501_template.h b/hw/display/sm501_template.h
index f33e499be4..a60abad019 100644
--- a/hw/display/sm501_template.h
+++ b/hw/display/sm501_template.h
@@ -47,81 +47,67 @@ static void glue(draw_line8_, PIXEL_NAME)(
{
uint8_t v, r, g, b;
do {
- v = ldub_p(s);
- r = (pal[v] >> 16) & 0xff;
- g = (pal[v] >> 8) & 0xff;
- b = (pal[v] >> 0) & 0xff;
- ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
- s ++;
- d += BPP;
- } while (-- width != 0);
+ v = ldub_p(s);
+ r = (pal[v] >> 16) & 0xff;
+ g = (pal[v] >> 8) & 0xff;
+ b = (pal[v] >> 0) & 0xff;
+ *(PIXEL_TYPE *)d = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+ s++;
+ d += BPP;
+ } while (--width != 0);
}
static void glue(draw_line16_, PIXEL_NAME)(
- uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
+ uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
{
uint16_t rgb565;
uint8_t r, g, b;
do {
- rgb565 = lduw_p(s);
- r = ((rgb565 >> 11) & 0x1f) << 3;
- g = ((rgb565 >> 5) & 0x3f) << 2;
- b = ((rgb565 >> 0) & 0x1f) << 3;
- ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
- s += 2;
- d += BPP;
- } while (-- width != 0);
+ rgb565 = lduw_le_p(s);
+ r = (rgb565 >> 8) & 0xf8;
+ g = (rgb565 >> 3) & 0xfc;
+ b = (rgb565 << 3) & 0xf8;
+ *(PIXEL_TYPE *)d = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+ s += 2;
+ d += BPP;
+ } while (--width != 0);
}
static void glue(draw_line32_, PIXEL_NAME)(
- uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
+ uint8_t *d, const uint8_t *s, int width, const uint32_t *pal)
{
uint8_t r, g, b;
do {
- ldub_p(s);
-#if defined(TARGET_WORDS_BIGENDIAN)
- r = s[1];
- g = s[2];
- b = s[3];
-#else
- b = s[0];
- g = s[1];
r = s[2];
-#endif
- ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
- s += 4;
- d += BPP;
- } while (-- width != 0);
+ g = s[1];
+ b = s[0];
+ *(PIXEL_TYPE *)d = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+ s += 4;
+ d += BPP;
+ } while (--width != 0);
}
/**
* Draw hardware cursor image on the given line.
*/
-static void glue(draw_hwc_line_, PIXEL_NAME)(SM501State * s, int crt,
- uint8_t * palette, int c_y, uint8_t *d, int width)
+static void glue(draw_hwc_line_, PIXEL_NAME)(uint8_t *d, const uint8_t *s,
+ int width, const uint8_t *palette, int c_x, int c_y)
{
- int x, i;
- uint8_t bitset = 0;
-
- /* get hardware cursor pattern */
- uint32_t cursor_addr = get_hwc_address(s, crt);
- assert(0 <= c_y && c_y < SM501_HWC_HEIGHT);
- cursor_addr += 64 * c_y / 4; /* 4 pixels per byte */
- cursor_addr += s->base;
+ int i;
+ uint8_t r, g, b, v, bitset = 0;
/* get cursor position */
- x = get_hwc_x(s, crt);
- d += x * BPP;
-
- for (i = 0; i < SM501_HWC_WIDTH && x + i < width; i++) {
- uint8_t v;
+ assert(0 <= c_y && c_y < SM501_HWC_HEIGHT);
+ s += SM501_HWC_WIDTH * c_y / 4; /* 4 pixels per byte */
+ d += c_x * BPP;
+ for (i = 0; i < SM501_HWC_WIDTH && c_x + i < width; i++) {
/* get pixel value */
if (i % 4 == 0) {
- bitset = ldub_phys(&address_space_memory, cursor_addr);
- cursor_addr++;
+ bitset = ldub_p(s);
+ s++;
}
v = bitset & 3;
bitset >>= 2;
@@ -129,10 +115,10 @@ static void glue(draw_hwc_line_, PIXEL_NAME)(SM501State * s, int crt,
/* write pixel */
if (v) {
v--;
- uint8_t r = palette[v * 3 + 0];
- uint8_t g = palette[v * 3 + 1];
- uint8_t b = palette[v * 3 + 2];
- ((PIXEL_TYPE *) d)[0] = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
+ r = palette[v * 3 + 0];
+ g = palette[v * 3 + 1];
+ b = palette[v * 3 + 2];
+ *(PIXEL_TYPE *)d = glue(rgb_to_pixel, PIXEL_NAME)(r, g, b);
}
d += BPP;
}