#include <stdint.h>#include "pt2_tables.h"#include "pt2_textout.h"#include "pt2_structs.h"#include "pt2_config.h"#include "pt2_visuals.h" #define MIDDLE_ROW 7#define VISIBLE_ROWS 15 static const char emptyDottedEffect[4] = { 0x02, 0x02, 0x02, 0x00 };static const char emptyDottedSample[3] = { 0x02, 0x02, 0x00 }; static int32_t periodToNote(int32_t period) // 0 = no note, 1 = illegal note, 2..37 = note{	if (period == 0)		return 0; 	int32_t beg = 0;	int32_t end = 36 - 1; 	// do binary search	while (beg <= end)	{		const int32_t mid = (beg + end) >> 1; 		int32_t tableVal = periodTable[mid];		if (period == tableVal)			return 2+mid; 		if (period < tableVal)			beg = mid+1;		else			end = mid-1;	} 	return 1; // illegal note} static void drawPatternNormal(void){	const char **noteNames;	if (config.accidental)		noteNames = (const char **)noteNames2;	else		noteNames = (const char **)noteNames1; 	note_t *patt = song->patterns[song->currPattern];	int32_t row = song->currRow - MIDDLE_ROW;	int32_t y = 140; 	for (int32_t i = 0; i < VISIBLE_ROWS; i++, y += 7, row++)	{		if (row < 0 || row >= MOD_ROWS)		{			// clear empty rows outside of pattern data			fillRect(8,         y, FONT_CHAR_W*2, FONT_CHAR_H, video.palette[PAL_BACKGRD]);			fillRect(32+(0*72), y, FONT_CHAR_W*8, FONT_CHAR_H, video.palette[PAL_BACKGRD]);			fillRect(32+(1*72), y, FONT_CHAR_W*8, FONT_CHAR_H, video.palette[PAL_BACKGRD]);			fillRect(32+(2*72), y, FONT_CHAR_W*8, FONT_CHAR_H, video.palette[PAL_BACKGRD]);			fillRect(32+(3*72), y, FONT_CHAR_W*8, FONT_CHAR_H, video.palette[PAL_BACKGRD]);		}		else		{			if (i == MIDDLE_ROW) // middle row has twice as tall glyphs			{				y++;				printTwoDecimalsBigBg(8, y, row, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]); 				note_t *note = patt + (row << 2);				int32_t x = 32;				for (int32_t j = 0; j < PAULA_VOICES; j++, note++)				{					textOutBigBg(x, y, noteNames[periodToNote(note->period)], video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);					x += 8*3; 					char smpChar = (config.blankZeroFlag && !(note->sample & 0xF0)) ? ' ' : hexTable[note->sample >> 4];					charOutBigBg(x, y, smpChar, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);					x += 8; 					printOneHexBigBg(x, y, note->sample & 0x0F, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);					x += 8; 					printOneHexBigBg(x, y, note->command, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);					x += 8; 					printTwoHexBigBg(x, y, note->param, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);					x += (8*2)+8;				}				y += 6;			}			else // non-middle rows			{				printTwoDecimalsBg(8, y, row, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]); 				note_t *note = patt + (row << 2);				int32_t x = 32;				for (int32_t j = 0; j < PAULA_VOICES; j++, note++)				{					textOutBg(x, y, noteNames[periodToNote(note->period)], video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);					x += 8*3; 					char smpChar = (config.blankZeroFlag && !(note->sample & 0xF0)) ? ' ' : hexTable[note->sample >> 4];					charOutBg(x, y, smpChar, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);					x += 8; 					printOneHexBg(x , y, note->sample & 0x0F, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);					x += 8; 					printOneHexBg(x, y, note->command, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);					x += 8; 					printTwoHexBg(x, y, note->param, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);					x += (8*2)+8;				}			}		}	}} static void drawPatternDotted(void){	const char **noteNames;	if (config.accidental)		noteNames = (const char **)noteNames4;	else		noteNames = (const char **)noteNames3; 	note_t *patt = song->patterns[song->currPattern];	int32_t row = song->currRow - MIDDLE_ROW;	int32_t y = 140; 	for (int32_t i = 0; i < VISIBLE_ROWS; i++, y += 7, row++)	{		if (row < 0 || row >= MOD_ROWS)		{			// clear empty rows outside of pattern data			fillRect(8,         y, FONT_CHAR_W*2, FONT_CHAR_H, video.palette[PAL_BACKGRD]);			fillRect(32+(0*72), y, FONT_CHAR_W*8, FONT_CHAR_H, video.palette[PAL_BACKGRD]);			fillRect(32+(1*72), y, FONT_CHAR_W*8, FONT_CHAR_H, video.palette[PAL_BACKGRD]);			fillRect(32+(2*72), y, FONT_CHAR_W*8, FONT_CHAR_H, video.palette[PAL_BACKGRD]);			fillRect(32+(3*72), y, FONT_CHAR_W*8, FONT_CHAR_H, video.palette[PAL_BACKGRD]);		}		else		{			if (i == MIDDLE_ROW) // middle row has twice as tall glyphs			{				y++;				printTwoDecimalsBigBg(8, y, row, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]); 				note_t *note = patt + (row << 2);				int32_t x = 32;				for (int32_t j = 0; j < PAULA_VOICES; j++, note++)				{					textOutBigBg(x, y, noteNames[periodToNote(note->period)], video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);					x += 8*3; 					if (note->sample == 0)					{						textOutBigBg(x, y, emptyDottedSample, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);						x += 8*2;					}					else					{						char smpChar = (note->sample & 0xF0) ? hexTable[note->sample >> 4] : 0x02;						charOutBigBg(x, y, smpChar, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);						x += 8;						printOneHexBigBg(x, y, note->sample & 0x0F, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);						x += 8;					} 					if (note->command == 0 && note->param == 0)					{						textOutBigBg(x, y, emptyDottedEffect, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);						x += (8*3)+8;					}					else					{						printOneHexBigBg(x, y, note->command, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);						x += 8;						printTwoHexBigBg(x, y, note->param, video.palette[PAL_GENTXT], video.palette[PAL_GENBKG]);						x += (8*2)+8;					}				}				y += 6;			}			else // non-middle rows			{				printTwoDecimalsBg(8, y, row, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]); 				// pattern data				note_t *note = patt + (row << 2);				int32_t x = 32;				for (int32_t j = 0; j < PAULA_VOICES; j++, note++)				{					textOutBg(x, y, noteNames[periodToNote(note->period)], video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);					x += 8*3; 					if (note->sample == 0)					{						textOutBg(x, y, emptyDottedSample, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);						x += 8*2;					}					else					{						char smpChar = (note->sample & 0xF0) ? hexTable[note->sample >> 4] : 0x02;						charOutBg(x, y, smpChar, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);						x += 8;						printOneHexBg(x, y, note->sample & 0x0F, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);						x += 8;					} 					if (note->command == 0 && note->param == 0)					{						textOutBg(x, y, emptyDottedEffect, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);						x += (8*3)+8;					}					else					{						printOneHexBg(x, y, note->command, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);						x += 8;						printTwoHexBg(x, y, note->param, video.palette[PAL_PATTXT], video.palette[PAL_BACKGRD]);						x += (8*2)+8;					}				}			}		}	}} void redrawPattern(void){	if (config.pattDots)		drawPatternDotted();	else		drawPatternNormal();}