mirror of
https://github.com/inexorabletash/jsbasic.git
synced 2025-10-30 14:16:09 +00:00
52 lines
1.7 KiB
JavaScript
52 lines
1.7 KiB
JavaScript
function pos(code, sw) {
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var x = Math.floor(code / 16);
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var y = code % 16;
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var sx = ( sw > 40 ? 1 : 2 );
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var sy = 2;
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x = -sx * (7 * x);
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y = -sy * (8 * y);
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return String(x) + 'px ' + String(y) + 'px';
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}
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function gen(cc, sc, sw, styles) {
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console.log('.jsb-'+sw+'col'+styles+' .jsb-chr'+cc+' { background-position: '+ pos(sc,sw)+' }');
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}
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var sw, i;
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for( sw = 40; sw <= 80; sw += 40) {
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// 0x00-0x1F = INVERSE @ABC…XYZ[\]^_
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// 0x20-0x3F = INVERSE !"#$…<=>?
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for (i = 0x00; i < 0x20; i++) { gen(i+0x00, i+0xC0, sw, ''); }
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for (i = 0x00; i < 0x20; i++) { gen(i+0x20, i+0xA0, sw, ''); }
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// 80-column firmware inactive
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// 0x40-0x5F = FLASH @ABC…XYZ[\]^_
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// 0x60-0x7F = FLASH !"#$…<=>?
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for (i = 0x00; i < 0x20; i++) { gen(i+0x40, i+0x40, sw, ''); }
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for (i = 0x00; i < 0x20; i++) { gen(i+0x40, i+0xC0, sw, '.jsb-flash'); }
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for (i = 0x00; i < 0x20; i++) { gen(i+0x60, i+0x20, sw, ''); }
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for (i = 0x00; i < 0x20; i++) { gen(i+0x60, i+0xA0, sw, '.jsb-flash'); }
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// 80-column firmware active
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// 0x40-0x5F = MOUSETEXT
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// 0x60-0x7F = INVERSE `abc…{|}~
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for (i = 0x00; i < 0x20; i++) { gen(i+0x40, i+0x80, sw, '.jsb-active'); }
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for (i = 0x00; i < 0x20; i++) { gen(i+0x60, i+0xE0, sw, '.jsb-active'); }
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// 0x80-0x9F = NORMAL @ABC…XYZ[\]^_
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// 0xA0-0xBF = NORMAL !"#$…<=>?
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// 0xC0-0xDF = NORMAL @ABC…XYZ[\]^_
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// 0xE0-0xFF = NORMAL `abc…{|}~
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for (i = 0x00; i < 0x20; i++) { gen(i+0x80, i+0x40, sw, ''); }
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for (i = 0x00; i < 0x20; i++) { gen(i+0xA0, i+0x20, sw, ''); }
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for (i = 0x00; i < 0x20; i++) { gen(i+0xC0, i+0x40, sw, ''); }
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for (i = 0x00; i < 0x20; i++) { gen(i+0xE0, i+0x60, sw, ''); }
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// Extension symbols
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for (i = 0x00; i < 0x20; i++) { gen(i+0x100, i+0x100, sw, ''); }
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}
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