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#include "fmdsp.h"
#include "fmdsp_sprites.h"
#include "fmdriver/fmdriver.h"
static void vramblit(uint8_t *vram, int x, int y,
const uint8_t *data, int w, int h) {
for (int yi = 0; yi < h; yi++) {
for (int xi = 0; xi < w; xi++) {
vram[(y+yi)*PC98_W+(x+xi)] = data[yi*w+xi];
}
}
}
static void vramblit_color(uint8_t *vram, int x, int y,
const uint8_t *data, int w, int h,
uint8_t color) {
for (int yi = 0; yi < h; yi++) {
for (int xi = 0; xi < w; xi++) {
vram[(y+yi)*PC98_W+(x+xi)] = data[yi*w+xi] ? color : 0;
}
}
}
static void vramblit_key(uint8_t *vram, int x, int y,
const uint8_t *data, int w, int h,
uint8_t key, uint8_t color) {
for (int yi = 0; yi < h; yi++) {
for (int xi = 0; xi < w; xi++) {
uint8_t d = data[yi*w+xi];
if (d == (key+1)) {
vram[(y+yi)*PC98_W+(x+xi)] = color;
}
}
}
}
void fmdsp_init(struct fmdsp *fmdsp) {
for (int i = 0; i < FMDSP_PALETTE_COLORS; i++) {
fmdsp->palette[i*3+0] = s_palettes[0][i*3+0];
fmdsp->palette[i*3+1] = s_palettes[0][i*3+1];
fmdsp->palette[i*3+2] = s_palettes[0][i*3+2];
}
}
static bool sjis_is_mb_start(uint8_t c) {
if (0x81 <= c && c <= 0x9f) return true;
if (0xe0 <= c && c <= 0xef) return true;
return false;
}
static uint16_t sjis2jis(uint8_t sjis_1st, uint8_t sjis_2nd) {
uint16_t jis;
if (sjis_1st >= 0xe0) sjis_1st -= 0x40;
sjis_1st -= 0x81;
jis = sjis_1st << 9;
if (sjis_2nd >= 0x80) sjis_2nd--;
if (sjis_2nd >= 0x9e) {
jis |= 0x100 | (sjis_2nd - 0x9e);
} else {
jis |= (sjis_2nd - 0x40);
}
jis += 0x2121;
return jis;
}
static void vram_putchar(uint16_t ptr, uint8_t *vram, const uint8_t *font,
int x, int y, uint8_t color) {
for (int yi = 0; yi < 16; yi++) {
for (int xi = 0; xi < 8; xi++) {
if (font[(ptr<<4)+yi] & (1<<(7-xi))) {
vram[(y+yi)*PC98_W+(x+xi)] = color;
}
}
}
}
static void fmdsp_putline(const char *strptr, uint8_t *vram, const uint8_t *font,
int y, uint8_t color) {
const uint8_t *cp932str = (const uint8_t *)strptr;
bool sjis_is2nd = false;
uint8_t sjis_1st;
int x = 0;
while (*cp932str) {
if (!sjis_is2nd) {
if (!sjis_is_mb_start(*cp932str)) {
if (*cp932str == '\t') {
if ((x+8*8) > PC98_W) return;
x += 8*8;
x &= ~(8*8-1);
cp932str++;
} else {
if ((x+8) > PC98_W) return;
vram_putchar(0x8000+*cp932str++, vram, font, x, y, color);
x += 8;
}
} else {
sjis_is2nd = true;
sjis_1st = *cp932str++;
}
} else {
uint8_t sjis_2nd = *cp932str++;
uint16_t jis = sjis2jis(sjis_1st, sjis_2nd);
uint8_t jis_1st = jis >> 8;
uint8_t jis_2nd = jis;
bool half = (jis_1st == 0x29);
if ((x+(half ? 8 : 16)) > PC98_W) return;
vram_putchar((jis_2nd<<8) | (jis_1st-0x20), vram, font, x, y, color);
x += 8;
if (!half) {
vram_putchar((jis_2nd<<8) | (jis_1st-0x20+0x80), vram, font, x, y, color);
x += 8;
}
sjis_is2nd = false;
}
}
}
void fmdsp_vram_init(struct fmdsp *fmdsp,
struct fmdriver_work *work,
const uint8_t *font,
uint8_t *vram) {
for (int y = 0; y < PC98_H; y++) {
for (int x = 0; x < PC98_W; x++) {
vram[y*PC98_W+x] = 0;
}
}
for (int t = 0; t < 10; t++) {
vramblit(vram, 1, TRACK_H*t+7, s_track, TNAME_W, TNAME_H);
vramblit(vram, KEY_LEFT_X, TRACK_H*t+KEY_Y, s_key_left, KEY_LEFT_W, KEY_H);
for (int i = 0; i < KEY_OCTAVES; i++) {
vramblit(vram, KEY_X+KEY_W*i, TRACK_H*t+KEY_Y,
s_key_bg, KEY_W, KEY_H);
}
vramblit(vram, KEY_X+KEY_W*KEY_OCTAVES, TRACK_H*t+KEY_Y,
s_key_right, KEY_RIGHT_W, KEY_H);
vramblit_color(vram, BAR_L_X, TRACK_H*t+BAR_Y,
s_bar_l, BAR_L_W, BAR_H, 3);
for (int i = 0; i < BAR_CNT; i++) {
vramblit_color(vram, BAR_X+BAR_W*i, TRACK_H*t+BAR_Y,
s_bar, BAR_W, BAR_H, 3);
}
}
vramblit(vram, PLAYING_X, PLAYING_Y,
s_playing, PLAYING_W, PLAYING_H);
for (int x = 74; x < PC98_W; x++) {
vram[332*PC98_W+x] = 7;
}
int height = (16+3)*3+8;
for (int y = PC98_H-height; y < PC98_H; y++) {
for (int x = 0; x < PC98_W; x++) {
vram[y*PC98_W+x] = (y&1)^(x&1) ? 3 : 0;
}
}
vram[(PC98_H-height)*PC98_W] = 0;
vram[(PC98_H-1)*PC98_W] = 0;
for (int i = 0; i < 3; i++) {
fmdsp_putline(work->comment[i], vram, font, COMMENT_Y+COMMENT_H*i, 2);
}
}
void fmdsp_update(struct fmdsp *fmdsp,
const struct fmdriver_work *work, uint8_t *vram) {
for (int t = 0; t < 10; t++) {
struct fmdriver_track_status *track = &work->track_status[t];
uint8_t *track_type;
switch (track->type) {
case FMDRIVER_TRACK_FM:
track_type = s_t_fm;
break;
case FMDRIVER_TRACK_SSG:
track_type = s_t_ssg;
break;
case FMDRIVER_TRACK_ADPCM:
track_type = s_t_adpcm;
break;
case FMDRIVER_TRACK_PPZ8:
track_type = s_t_ppz8;
break;
}
vramblit(vram, 1, TRACK_H*t+1, track_type, TNAME_W, TNAME_H);
vramblit(vram, NUM_X+NUM_W*0, TRACK_H*t+1, s_num[(track->num/10)%10], NUM_W, NUM_H);
vramblit(vram, NUM_X+NUM_W*1, TRACK_H*t+1, s_num[track->num%10], NUM_W, NUM_H);
for (int i = 0; i < KEY_OCTAVES; i++) {
vramblit(vram, KEY_X+KEY_W*i, TRACK_H*t+KEY_Y,
s_key_bg, KEY_W, KEY_H);
if (track->playing) {
if (track->actual_key >> 4 == i) {
vramblit_key(vram, KEY_X+KEY_W*i, TRACK_H*t+KEY_Y,
s_key_mask, KEY_W, KEY_H,
track->actual_key & 0xf, 8);
}
if (track->key >> 4 == i) {
vramblit_key(vram, KEY_X+KEY_W*i, TRACK_H*t+KEY_Y,
s_key_mask, KEY_W, KEY_H,
track->key & 0xf, 6);
}
}
}
uint8_t color_on = track->key == 0xff ? 7 : 2;
if (!track->playing) color_on = 3;
vramblit_color(vram, BAR_L_X, TRACK_H*t+BAR_Y,
s_bar_l, BAR_L_W, BAR_H, color_on);
for (int i = 0; i < BAR_CNT; i++) {
int c = (i < (track->ticks_left>>2)) ? color_on : 3;
vramblit_color(vram, BAR_X+BAR_W*i, TRACK_H*t+BAR_Y,
s_bar, BAR_W, BAR_H, c);
}
vramblit_color(vram, BAR_X+BAR_W*(track->ticks>>2), TRACK_H*t+BAR_Y,
s_bar, BAR_W, BAR_H, 7);
}
}
void fmdsp_vrampalette(struct fmdsp *fmdsp, const uint8_t *vram, uint8_t *vram32, int stride) {
for (int y = 0; y < PC98_H; y++) {
for (int x = 0; x < PC98_W; x++) {
uint8_t r = fmdsp->palette[vram[y*PC98_W+x]*3+0];
uint8_t g = fmdsp->palette[vram[y*PC98_W+x]*3+1];
uint8_t b = fmdsp->palette[vram[y*PC98_W+x]*3+2];
uint32_t data = (((uint32_t)r)<<16) | (((uint32_t)g)<<8) | ((uint32_t)b);
uint32_t *row = (uint32_t *)(vram32 + y*stride);
row[x] = data;
}
}
}
//2/1 - 7/14
// 0x21 - 0x7e
static void fontrom_copy_rows(uint8_t *font, const uint8_t *fontrom,
int rowstart, int rowend) {
for (int row = rowstart; row < rowend; row++) {
for (int cell = 0x20; cell < 0x80; cell++) {
for (int y = 0; y < 16; y++) {
// left
font[0x000+((row-0x20)<<4)+(cell<<12)+y] = fontrom[0x800+(0x60*16*2*(row-0x20))+(cell<<5)+y];
// right
font[0x800+((row-0x20)<<4)+(cell<<12)+y] = fontrom[0x800+(0x60*16*2*(row-0x20))+(cell<<5)+y+16];
}
}
}
}
void fmdsp_font_from_fontrom(uint8_t *font, const uint8_t *fontrom) {
// ANK
for (int i = 0; i < 256*16; i++) {
font[0x80000+i] = fontrom[0x800+i];
}
fontrom_copy_rows(font, fontrom, 0x21, 0x50);
fontrom_copy_rows(font, fontrom, 0x50, 0x76);
fontrom_copy_rows(font, fontrom, 0x78, 0x7d);
}
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