mirror of https://github.com/nmlgc/ReC98.git
81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
// Shared parts from all graph_putsa_fx() implementations
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#define set_vram_ptr(vram, first_bit, left, top) \
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vram = (planar8_t *)(MK_FP(GRAM_400, (top * ROW_SIZE) + (left / 8))); \
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first_bit = left % 8; \
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#define get_glyph(glyph, codepoint, fullwidth, str, left, line) \
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if(_ismbblead(str[0])) { \
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codepoint = _mbcjmstojis(((char)str[0] << 8) + str[1]); \
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str += 2; \
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} else if(_ismbbkana((char)str[0])) { \
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codepoint = str[0] + 0x2980; \
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str += 1; \
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} else if(isgraph((char)str[0])) { \
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codepoint = str[0] + 0x2900; \
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str += 1; \
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} else { \
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codepoint = 0x2B21; \
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str += 1; \
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} \
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\
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OUTB(0xA1, codepoint & 0xFF); \
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OUTB(0xA3, (codepoint >> 8) - 0x20); \
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if(codepoint >= 0x2921 && codepoint <= 0x2B7E) { \
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if(left <= (RES_X - GLYPH_HALF_W)) { \
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for(line = 0; line < GLYPH_H; line++) { \
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OUTB(0xA5, line | 0x20); \
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glyph[line] = INPB(0xA9) << 8; \
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} \
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fullwidth = 0; \
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} else { \
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break; \
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} \
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} else if(left <= (RES_X - GLYPH_FULL_W)) { \
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for(line = 0; line < GLYPH_H; line++) { \
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OUTB(0xA5, line | 0x20); \
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glyph[line] = INPB(0xA9) << 8; \
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OUTB(0xA5, line); \
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glyph[line] += INPB(0xA9); \
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} \
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fullwidth = 1; \
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} else { \
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break; \
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}
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#define glyph_double(row, tmp) \
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tmp = row; \
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row |= tmp << 1;
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#define apply_weight(row_out, row_in, row_tmp, weight) \
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row_out = row_in; \
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switch(weight) { \
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case 1: \
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glyph_double(row_out, row_tmp); \
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break; \
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case 3: \
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glyph_double(row_out, row_tmp); \
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/* fallthrough */ \
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case 2: \
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glyph_double(row_out, row_tmp); \
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row_tmp ^= row_out; \
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row_out &= ~(row_tmp << 1); \
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}
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#define put_row_and_advance(vram, row, first_bit) \
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if(first_bit) { \
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vram[0] = glyph_row >> (first_bit + 8); \
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vram[1] = glyph_row >> (first_bit + 0); \
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vram[2] = glyph_row << (8 - first_bit); \
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} else { \
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vram[0] = glyph_row >> 8; \
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vram[1] = glyph_row; \
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} \
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vram += ROW_SIZE;
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#define advance_left(left, fullwidth, spacing) \
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if(fullwidth) { \
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left += 8; \
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} \
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left += spacing + 8;
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