Revision 7ac56ff0
| b/hw/ssd0323.c | ||
|---|---|---|
| 30 | 30 |
/* Scaling factor for pixels. */ |
| 31 | 31 |
#define MAGNIFY 4 |
| 32 | 32 |
|
| 33 |
#define REMAP_SWAP_COLUMN 0x01 |
|
| 34 |
#define REMAP_SWAP_NYBBLE 0x02 |
|
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#define REMAP_VERTICAL 0x04 |
|
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#define REMAP_SWAP_COM 0x10 |
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#define REMAP_SPLIT_COM 0x40 |
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|
|
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enum ssd0323_mode |
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{
|
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SSD0323_CMD, |
| ... | ... | |
| 49 | 55 |
int col_start; |
| 50 | 56 |
int col_end; |
| 51 | 57 |
int redraw; |
| 58 |
int remap; |
|
| 52 | 59 |
enum ssd0323_mode mode; |
| 53 | 60 |
uint8_t framebuffer[128 * 80 / 2]; |
| 54 | 61 |
} ssd0323_state; |
| ... | ... | |
| 60 | 67 |
case SSD0323_DATA: |
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DPRINTF("data 0x%02x\n", data);
|
| 62 | 69 |
s->framebuffer[s->col + s->row * 64] = data; |
| 63 |
s->col++; |
|
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if (s->col > s->col_end) {
|
|
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if (s->remap & REMAP_VERTICAL) {
|
|
| 65 | 71 |
s->row++; |
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s->col = s->col_start; |
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} |
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if (s->row > s->row_end) {
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s->row = s->row_start; |
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if (s->row > s->row_end) {
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s->row = s->row_start; |
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s->col++; |
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} |
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if (s->col > s->col_end) {
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s->col = s->col_start; |
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} |
|
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} else {
|
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s->col++; |
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if (s->col > s->col_end) {
|
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s->row++; |
|
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s->col = s->col_start; |
|
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} |
|
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if (s->row > s->row_end) {
|
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s->row = s->row_start; |
|
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} |
|
| 70 | 88 |
} |
| 71 | 89 |
s->redraw = 1; |
| 72 | 90 |
break; |
| ... | ... | |
| 82 | 100 |
#define DATA(x) if (s->cmd_len <= (x)) return 0 |
| 83 | 101 |
case 0x15: /* Set column. */ |
| 84 | 102 |
DATA(2); |
| 85 |
s->col_start = s->cmd_data[0] % 64; |
|
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s->col = s->col_start = s->cmd_data[0] % 64;
|
|
| 86 | 104 |
s->col_end = s->cmd_data[1] % 64; |
| 87 | 105 |
break; |
| 88 | 106 |
case 0x75: /* Set row. */ |
| 89 | 107 |
DATA(2); |
| 90 |
s->row_start = s->cmd_data[0] % 80; |
|
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s->row = s->row_start = s->cmd_data[0] % 80;
|
|
| 91 | 109 |
s->row_end = s->cmd_data[1] % 80; |
| 92 | 110 |
break; |
| 93 | 111 |
case 0x81: /* Set contrast */ |
| ... | ... | |
| 99 | 117 |
case 0xa0: /* Set remapping. */ |
| 100 | 118 |
/* FIXME: Implement this. */ |
| 101 | 119 |
DATA(1); |
| 120 |
s->remap = s->cmd_data[0]; |
|
| 102 | 121 |
break; |
| 103 | 122 |
case 0xa1: /* Set display start line. */ |
| 104 | 123 |
case 0xa2: /* Set display offset. */ |
| ... | ... | |
| 207 | 226 |
} |
| 208 | 227 |
p += dest_width; |
| 209 | 228 |
} |
| 229 |
/* TODO: Implement row/column remapping. */ |
|
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dest = s->ds->data; |
| 211 | 231 |
for (y = 0; y < 64; y++) {
|
| 212 | 232 |
line = y; |
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