mirror of
https://github.com/V2RetroComputing/analog.git
synced 2024-06-08 19:29:30 +00:00
254 lines
10 KiB
C
254 lines
10 KiB
C
#include <string.h>
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#include <pico/stdlib.h>
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#include <hardware/timer.h>
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#include "vga/vgabuf.h"
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#include "vga/render.h"
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#include "vga/vgaout.h"
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#include "vga/logo.h"
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#ifdef RASPBERRYPI_PICO_W
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#include <pico/unique_id.h>
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#endif
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#define _PIXPAIR(p1, p2) ((uint32_t)(p1) | (((uint32_t)p2) << 16))
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char error_message[16*24+1];
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void render_test_sleep() {
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memcpy(error_message + 208, " APPLE II BUS ", 16);
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memcpy(error_message + 224, " ACTIVITY ", 16);
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memcpy(error_message + 240, " NOT DETECTED ", 16);
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memcpy(error_message + 272, "SCREEN BLANKING ", 16);
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memcpy(error_message + 288, " IN 15 SECONDS ", 16);
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memcpy(error_message + 304, " ", 16);
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}
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void render_test_init() {
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memset(error_message, ' ', 16*24);
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memcpy(error_message + 0, "HW: ANALOG-REV-1", 16);
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memcpy(error_message + 16, "FW: 23-01-19-131", 16);
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memcpy(error_message + 64, " COPYRIGHT (C) ", 16);
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memcpy(error_message + 80, " DAVID KUDER ", 16);
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memcpy(error_message + 128, " BASED ON ", 16);
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memcpy(error_message + 144, " APPLEII-VGA BY ", 16);
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memcpy(error_message + 160, " MARK AIKENS ", 16);
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memcpy(error_message + 208, " APPLE II BUS ", 16);
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memcpy(error_message + 224, " ACTIVITY ", 16);
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memcpy(error_message + 240, " NOT DETECTED ", 16);
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memcpy(error_message + 272, "TURN OFF POWER &", 16);
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memcpy(error_message + 288, "CHECK FOR PROPER", 16);
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memcpy(error_message + 304, " CARD INSERTION ", 16);
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#ifdef RASPBERRYPI_PICO_W
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memcpy(error_message + 352, " SERIAL NUMBER: ", 16);
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// Get Pico's Flash Serial Number (Board ID) and terminating null.
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pico_get_unique_board_id_string(error_message + 368, 17);
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#else
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memcpy(error_message + 368, " V2-ANALOG-LC ", 16);
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#endif
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}
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// Clear the error message, in case the user sets 0x20 in terminal switches
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// to show the about screen.
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void render_about_init() {
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memset(error_message + 208, ' ', 48);
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memset(error_message + 272, ' ', 48);
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}
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static inline uint_fast8_t __time_critical_func(char_text_bits)(uint_fast8_t ch, uint_fast8_t glyph_line) {
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uint_fast8_t bits = character_rom[((uint_fast16_t)(ch & 0x7f) << 3) | glyph_line | 0x400];
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return bits & 0x7f;
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}
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void __noinline __time_critical_func(render_testpattern)() {
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vga_prepare_frame();
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for(uint line=0; line < VGA_HEIGHT;) {
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struct vga_scanline *sl = vga_prepare_scanline();
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uint sl_pos = 0;
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if((line == 0) || (line == VGA_HEIGHT-1) || (line == 36) || (line == VGA_HEIGHT-36-1)) {
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for(; sl_pos < VGA_WIDTH/8; sl_pos++) {
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sl->data[sl_pos] = _PIXPAIR(0x1ff | THEN_EXTEND_3, 0x1ff | THEN_EXTEND_3);
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}
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sl->length = sl_pos;
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} else if((line == 1) || (line == VGA_HEIGHT-36)) {
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for(uint i=0; i < VGA_WIDTH/4; i++, sl_pos++) {
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sl->data[sl_pos] = _PIXPAIR(0x1ff, 0);
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}
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for(uint i=0; i < VGA_WIDTH/4; i++, sl_pos++) {
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sl->data[sl_pos] = _PIXPAIR(0, 0x1ff);
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}
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sl->length = sl_pos;
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sl->repeat_count = 34;
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} else if((line >= 48) && (line < 48+128)) {
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sl->data[sl_pos++] = _PIXPAIR(0x1ff, 0 | THEN_EXTEND_6); // 8px
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_1, 0 | THEN_EXTEND_1); // 4px
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const uint z = (line - 48);
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if((z & 0xf) < 14) {
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const uint g = z / 16;
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for(uint b=0; b < 3; b++) {
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for(uint r=0; r < 8; r++) {
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const uint rgb = (r << 6) | (g << 3) | b;
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sl->data[sl_pos++] = _PIXPAIR(0, rgb | THEN_EXTEND_6); // 8px
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sl->data[sl_pos++] = _PIXPAIR(rgb | THEN_EXTEND_6, 0); // 8px
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}
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}
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} else {
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for(uint i=0; i < 24; i++) {
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_7, 0 | THEN_EXTEND_7); // 400px
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}
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}
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_3, 0 | THEN_EXTEND_3); // 8px
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const uint w = (line - 48);
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for(uint i=0; i < 16; i+=2) {
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uint32_t bits_a = char_text_bits(error_message[(w & 0x1f0) | i], (w/2) & 0x7);
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uint32_t bits_b = char_text_bits(error_message[(w & 0x1f0) | (i+1)], (w/2) & 0x7);
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uint32_t bits = (bits_a << 7) | bits_b;
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for(uint j=0; j < 7; j++) {
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uint32_t pixeldata = (bits & 0x2000) ? (0|THEN_EXTEND_1) : (0x1ff | THEN_EXTEND_1);
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pixeldata |= (bits & 0x1000) ? ((0|THEN_EXTEND_1) << 16) : ((0x1ff | THEN_EXTEND_1) << 16);
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bits <<= 2;
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sl->data[sl_pos++] = pixeldata;
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}
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}
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_1, 0 | THEN_EXTEND_1); // 4px
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_6, 0x1ff); // 8px
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sl->repeat_count = 1;
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sl->length = sl_pos;
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} else if((line >= 176) && (line < 176+128)) {
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sl->data[sl_pos++] = _PIXPAIR(0x1ff, 0 | THEN_EXTEND_6); // 8px
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_1, 0 | THEN_EXTEND_1); // 4px
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const uint z = (line - 176);
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const uint g = z / 16;
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// center-left square
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if((z & 0xf) < 14) {
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uint b = 3;
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for(uint r=0; r < 8; r++) {
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const uint rgb = (r << 6) | (g << 3) | b;
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sl->data[sl_pos++] = _PIXPAIR(0, rgb | THEN_EXTEND_6);
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sl->data[sl_pos++] = _PIXPAIR(rgb | THEN_EXTEND_6, 0);
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}
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} else {
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for(uint i=0; i < 8; i++) {
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_7, 0 | THEN_EXTEND_7);
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}
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}
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// center square (logo)
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for(uint i=0; i < 32; i++) {
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uint color1 = lores_palette[PicoPalLogo[((z & 0x7e) << 4) | i] >> 4];
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uint color2 = lores_palette[PicoPalLogo[((z & 0x7e) << 4) | i] & 0xf];
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sl->data[sl_pos++] = _PIXPAIR(color1 | THEN_EXTEND_1, color2 | THEN_EXTEND_1);
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}
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// center-right square
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if((z & 0xf) < 14) {
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uint b = 4;
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for(uint r=0; r < 8; r++) {
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const uint rgb = (r << 6) | (g << 3) | b;
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sl->data[sl_pos++] = _PIXPAIR(0, rgb | THEN_EXTEND_6);
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sl->data[sl_pos++] = _PIXPAIR(rgb | THEN_EXTEND_6, 0);
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}
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} else {
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for(uint i=0; i < 8; i++) {
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_7, 0 | THEN_EXTEND_7);
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}
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}
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_3, 0 | THEN_EXTEND_3); // 8px
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const uint w = (line - 48);
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for(uint i=0; i < 16; i+=2) {
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uint32_t bits_a = char_text_bits(error_message[(w & 0x1f0) | i], (w/2) & 0x7);
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uint32_t bits_b = char_text_bits(error_message[(w & 0x1f0) | (i+1)], (w/2) & 0x7);
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uint32_t bits = (bits_a << 7) | bits_b;
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for(uint j=0; j < 7; j++) {
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uint32_t pixeldata = (bits & 0x2000) ? (0|THEN_EXTEND_1) : (0x1ff | THEN_EXTEND_1);
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pixeldata |= (bits & 0x1000) ? ((0|THEN_EXTEND_1) << 16) : ((0x1ff | THEN_EXTEND_1) << 16);
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bits <<= 2;
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sl->data[sl_pos++] = pixeldata;
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}
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}
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_1, 0 | THEN_EXTEND_1); // 4px
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_6, 0x1ff); // 8px
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sl->repeat_count = 1;
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sl->length = sl_pos;
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} else if((line >= 304) && (line < 304+128)) {
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sl->data[sl_pos++] = _PIXPAIR(0x1ff, 0 | THEN_EXTEND_6); // 8px
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_1, 0 | THEN_EXTEND_1); // 4px
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const uint z = (line - 304);
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if((z & 0xf) < 14) {
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const uint g = z / 16;
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for(uint b=5; b < 8; b++) {
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for(uint r=0; r < 8; r++) {
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const uint rgb = (r << 6) | (g << 3) | b;
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sl->data[sl_pos++] = _PIXPAIR(0, rgb | THEN_EXTEND_6);
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sl->data[sl_pos++] = _PIXPAIR(rgb | THEN_EXTEND_6, 0);
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}
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}
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} else {
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for(uint i=0; i < 24; i++) {
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_7, 0 | THEN_EXTEND_7); // 400px
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}
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}
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_3, 0 | THEN_EXTEND_3); // 8px
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const uint w = (line - 48);
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for(uint i=0; i < 16; i+=2) {
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uint32_t bits_a = char_text_bits(error_message[(w & 0x1f0) | i], (w/2) & 0x7);
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uint32_t bits_b = char_text_bits(error_message[(w & 0x1f0) | (i+1)], (w/2) & 0x7);
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uint32_t bits = (bits_a << 7) | bits_b;
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for(uint j=0; j < 7; j++) {
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uint32_t pixeldata = (bits & 0x2000) ? (0|THEN_EXTEND_1) : (0x1ff | THEN_EXTEND_1);
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pixeldata |= (bits & 0x1000) ? ((0|THEN_EXTEND_1) << 16) : ((0x1ff | THEN_EXTEND_1) << 16);
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bits <<= 2;
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sl->data[sl_pos++] = pixeldata;
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}
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}
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_1, 0 | THEN_EXTEND_1); // 4px
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_6, 0x1ff); // 8px
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sl->repeat_count = 1;
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sl->length = sl_pos;
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} else if(line < VGA_HEIGHT) {
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// black w/ white border
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sl->data[sl_pos++] = _PIXPAIR(0x1ff, 0 | THEN_EXTEND_6);
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for(uint i=0; i < 39; i++) {
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_7, 0 | THEN_EXTEND_7);
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}
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sl->data[sl_pos++] = _PIXPAIR(0 | THEN_EXTEND_6, 0x1ff);
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sl->length = sl_pos;
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} else {
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sl->data[sl_pos++] = _PIXPAIR(0, 0);
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sl->length = sl_pos;
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}
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line += sl->repeat_count + 1;
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vga_submit_scanline(sl);
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}
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}
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