176 lines
6.5 KiB
C
176 lines
6.5 KiB
C
#include <string.h> /* memcpy */
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#include <stdint.h> /* uint8_t, uint16_t */
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#include "salzalon.h"
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#define SCREEN_PIXEL_WIDTH 280
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#define SCREEN_PIXEL_HEIGHT 192
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#define CHAR_PIXEL_WIDTH 7
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#define CHAR_PIXEL_HEIGHT 8
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/* Soft switches */
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#define EIGHTY_COL_STORE_OFF ((uint8_t *) 0xc000)
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#define EIGHTY_COL_STORE_ON ((uint8_t *) 0xc001)
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#define RAMRDOFF ((uint8_t *) 0xc002)
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#define RAMRDON ((uint8_t *) 0xc003)
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#define RAMWTOFF ((uint8_t *) 0xc004)
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#define RAMWTON ((uint8_t *) 0xc005)
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#define SET80COL ((uint8_t *) 0xc00d)
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#define TEXTOFF ((uint8_t *) 0xc050)
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#define MIXEDON ((uint8_t *) 0xc053)
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#define PAGE2OFF ((uint8_t *) 0xc054)
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#define PAGE2ON ((uint8_t *) 0xc055)
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#define HIRESOFF ((uint8_t *) 0xc056)
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#define HIRESON ((uint8_t *) 0xc057)
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#define SETAN3 ((uint8_t *) 0xc05e)
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/* Subroutines */
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#define TEXT ((uint8_t *) 0xF399)
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#define HGR2 ((uint8_t *) 0Xf3d8)
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#define CLRHGR ((uint8_t *) 0XF3E2)
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#define ADDR uint8_t*
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uint8_t *yAddressTable[] = {
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(uint8_t *) 0x2000, (uint8_t *) 0x2400, (uint8_t *) 0x2800, (uint8_t *) 0x2c00,
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(uint8_t *) 0x3000, (uint8_t *) 0x3400, (uint8_t *) 0x3800, (uint8_t *) 0x3c00,
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(uint8_t *) 0x2080, (uint8_t *) 0x2480, (uint8_t *) 0x2880, (uint8_t *) 0x2c80,
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(uint8_t *) 0x3080, (uint8_t *) 0x3480, (uint8_t *) 0x3880, (uint8_t *) 0x3c80,
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(uint8_t *) 0x2100, (uint8_t *) 0x2500, (uint8_t *) 0x2900, (uint8_t *) 0x2d00,
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(uint8_t *) 0x3100, (uint8_t *) 0x3500, (uint8_t *) 0x3900, (uint8_t *) 0x3d00,
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(uint8_t *) 0x2180, (uint8_t *) 0x2580, (uint8_t *) 0x2980, (uint8_t *) 0x2d80,
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(uint8_t *) 0x3180, (uint8_t *) 0x3580, (uint8_t *) 0x3980, (uint8_t *) 0x3d80,
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(uint8_t *) 0x2200, (uint8_t *) 0x2600, (uint8_t *) 0x2a00, (uint8_t *) 0x2e00,
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(uint8_t *) 0x3200, (uint8_t *) 0x3600, (uint8_t *) 0x3a00, (uint8_t *) 0x3e00,
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(uint8_t *) 0x2280, (uint8_t *) 0x2680, (uint8_t *) 0x2a80, (uint8_t *) 0x2e80,
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(uint8_t *) 0x3280, (uint8_t *) 0x3680, (uint8_t *) 0x3a80, (uint8_t *) 0x3e80,
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(uint8_t *) 0x2300, (uint8_t *) 0x2700, (uint8_t *) 0x2b00, (uint8_t *) 0x2f00,
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(uint8_t *) 0x3300, (uint8_t *) 0x3700, (uint8_t *) 0x3b00, (uint8_t *) 0x3f00,
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(uint8_t *) 0x2380, (uint8_t *) 0x2780, (uint8_t *) 0x2b80, (uint8_t *) 0x2f80,
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(uint8_t *) 0x3380, (uint8_t *) 0x3780, (uint8_t *) 0x3b80, (uint8_t *) 0x3f80,
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(uint8_t *) 0x2028, (uint8_t *) 0x2428, (uint8_t *) 0x2828, (uint8_t *) 0x2c28,
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(uint8_t *) 0x3028, (uint8_t *) 0x3428, (uint8_t *) 0x3828, (uint8_t *) 0x3c28,
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(uint8_t *) 0x20a8, (uint8_t *) 0x24a8, (uint8_t *) 0x28a8, (uint8_t *) 0x2ca8,
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(uint8_t *) 0x30a8, (uint8_t *) 0x34a8, (uint8_t *) 0x38a8, (uint8_t *) 0x3ca8,
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(uint8_t *) 0x2128, (uint8_t *) 0x2528, (uint8_t *) 0x2928, (uint8_t *) 0x2d28,
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(uint8_t *) 0x3128, (uint8_t *) 0x3528, (uint8_t *) 0x3928, (uint8_t *) 0x3d28,
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(uint8_t *) 0x21a8, (uint8_t *) 0x25a8, (uint8_t *) 0x29a8, (uint8_t *) 0x2da8,
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(uint8_t *) 0x31a8, (uint8_t *) 0x35a8, (uint8_t *) 0x39a8, (uint8_t *) 0x3da8,
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(uint8_t *) 0x2228, (uint8_t *) 0x2628, (uint8_t *) 0x2a28, (uint8_t *) 0x2e28,
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(uint8_t *) 0x3228, (uint8_t *) 0x3628, (uint8_t *) 0x3a28, (uint8_t *) 0x3e28,
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(uint8_t *) 0x22a8, (uint8_t *) 0x26a8, (uint8_t *) 0x2aa8, (uint8_t *) 0x2ea8,
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(uint8_t *) 0x32a8, (uint8_t *) 0x36a8, (uint8_t *) 0x3aa8, (uint8_t *) 0x3ea8,
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(uint8_t *) 0x2328, (uint8_t *) 0x2728, (uint8_t *) 0x2b28, (uint8_t *) 0x2f28,
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(uint8_t *) 0x3328, (uint8_t *) 0x3728, (uint8_t *) 0x3b28, (uint8_t *) 0x3f28,
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(uint8_t *) 0x23a8, (uint8_t *) 0x27a8, (uint8_t *) 0x2ba8, (uint8_t *) 0x2fa8,
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(uint8_t *) 0x33a8, (uint8_t *) 0x37a8, (uint8_t *) 0x3ba8, (uint8_t *) 0x3fa8,
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(uint8_t *) 0x2050, (uint8_t *) 0x2450, (uint8_t *) 0x2850, (uint8_t *) 0x2c50,
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(uint8_t *) 0x3050, (uint8_t *) 0x3450, (uint8_t *) 0x3850, (uint8_t *) 0x3c50,
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(uint8_t *) 0x20d0, (uint8_t *) 0x24d0, (uint8_t *) 0x28d0, (uint8_t *) 0x2cd0,
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(uint8_t *) 0x30d0, (uint8_t *) 0x34d0, (uint8_t *) 0x38d0, (uint8_t *) 0x3cd0,
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(uint8_t *) 0x2150, (uint8_t *) 0x2550, (uint8_t *) 0x2950, (uint8_t *) 0x2d50,
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(uint8_t *) 0x3150, (uint8_t *) 0x3550, (uint8_t *) 0x3950, (uint8_t *) 0x3d50,
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(uint8_t *) 0x21d0, (uint8_t *) 0x25d0, (uint8_t *) 0x29d0, (uint8_t *) 0x2dd0,
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(uint8_t *) 0x31d0, (uint8_t *) 0x35d0, (uint8_t *) 0x39d0, (uint8_t *) 0x3dd0,
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(uint8_t *) 0x2250, (uint8_t *) 0x2650, (uint8_t *) 0x2a50, (uint8_t *) 0x2e50,
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(uint8_t *) 0x3250, (uint8_t *) 0x3650, (uint8_t *) 0x3a50, (uint8_t *) 0x3e50,
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(uint8_t *) 0x22d0, (uint8_t *) 0x26d0, (uint8_t *) 0x2ad0, (uint8_t *) 0x2ed0,
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(uint8_t *) 0x32d0, (uint8_t *) 0x36d0, (uint8_t *) 0x3ad0, (uint8_t *) 0x3ed0,
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(uint8_t *) 0x2350, (uint8_t *) 0x2750, (uint8_t *) 0x2b50, (uint8_t *) 0x2f50,
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(uint8_t *) 0x3350, (uint8_t *) 0x3750, (uint8_t *) 0x3b50, (uint8_t *) 0x3f50,
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(uint8_t *) 0x23d0, (uint8_t *) 0x27d0, (uint8_t *) 0x2bd0, (uint8_t *) 0x2fd0,
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(uint8_t *) 0x33d0, (uint8_t *) 0x37d0, (uint8_t *) 0x3bd0, (uint8_t *) 0x3fd0,
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};
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uint8_t capY[] = {
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0x22,
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0x92,
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0x14,
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0x8c,
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0x08,
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0x08,
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0x08,
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0x00
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};
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struct Font
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{
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uint8_t pixelWidth;
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uint8_t pixelHeight;
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uint8_t glyphCount;
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uint8_t **glyphs;
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};
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struct Font blah = { 7, 12, 6, { {0} } };
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uint8_t cursorX = 0;
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uint8_t cursorY = 0;
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struct Font *font;
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void drawChar(char c)
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{
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uint8_t screenPixelY;
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uint8_t charPixelY;
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for (charPixelY = 0, screenPixelY = cursorY * CHAR_PIXEL_HEIGHT;
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charPixelY < CHAR_PIXEL_HEIGHT;
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++charPixelY, ++screenPixelY) {
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/* Transfer one byte to memory representing 7 horizontal pixels
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at vertical position Y */
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*(yAddressTable[screenPixelY] + cursorX) = salzalon[c][charPixelY];
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}
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if (cursorX < 40) {
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++cursorX;
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}
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else {
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cursorX = 0;
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++cursorY;
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}
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}
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void main(void)
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{
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uint8_t x = 10;
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uint8_t y = 50;
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char c;
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/* Set soft switches to turn on HGR page 1. */
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*TEXTOFF = (uint8_t) 1;
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*HIRESON = (uint8_t) 1;
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*MIXEDON = (uint8_t) 1;
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*PAGE2OFF = (uint8_t) 1;
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for (c = '!'; c <= 'd'; ++c)
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drawChar(c);
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/*
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for (i = 0; i < 16; ++i) {
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*(yAddressTable[y + i] + x) = salzalon[i];
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}
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++x;
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for (i = 0; i < 16; ++i) {
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*(yAddressTable[y + i] + x) = runes_as_ur[i];
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}
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++x;
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for (i = 0; i < 16; ++i) {
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*(yAddressTable[y + i] + x) = runes_as_thorn[i];
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}
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x=10;
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y+=16;
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for (i = 0; i < 12; ++i) {
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*(yAddressTable[y + i] + x) = salzalon[i];
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}
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++x;
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for (i = 0; i < 12; ++i) {
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*(yAddressTable[y + i] + x) = salzalon[i];
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}
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++x;
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for (i = 0; i < 12; ++i) {
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*(yAddressTable[y + i] + x) = salzalon[i];
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}
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*/
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}
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