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/* $Id: shiroi.c 13 2024-08-29 04:36:14Z nishi $ */
#include "io.h"
#include "math.h"
#include "sound.h"
#include "video.h"
#include "text.h"
#include "debug.h"
#include "char.h"
void init_cards(void);
void basic(void);
extern short vdp_addr;
extern short vdp_data;
extern short vdg_addr;
extern short vdg_data;
extern short psg_addr;
extern short psg_data;
extern short debug_addr;
extern short debug_data;
extern short fpu_stack;
extern short fpu_command;
extern short text_kbd_data;
extern int scrwidth;
extern int scrheight;
extern char caps;
unsigned char keylist[13 * 4];
unsigned char keylist_caps[13 * 4];
void main(void){
int i;
/*
* / 1 2 3 4 5 6 7 8 9 10 11 12 13
* 1 1 2 3 4 5 6 7 8 9 0 - = bs
* 2 q w e r t y u i o p [ ] rt
* 3 a s d f g h j k l ; ' \ cl
* 4 z x c v b n m , . / sp
*
* When Caps Lock
*
* / 1 2 3 4 5 6 7 8 9 10 11 12 13
* 1 ! @ # $ % ^ & * ( ) _ + bs
* 2 Q W E R T Y U I O P { } rt
* 3 A S D F G H J K L : " | cl
* 4 Z X C V B N M < > ? sp
*/
const char* keys;
keys = "1234567890-=\x08";
for(i = 0; i < 13; i++){
keylist[i] = keys[i];
}
keys = "qwertyuiop[]\n";
for(i = 0; i < 13; i++){
keylist[13 + i] = keys[i];
}
keys = "asdfghjkl;'\\!";
for(i = 0; i < 13; i++){
keylist[26 + i] = keys[i];
}
keys = "zxcvbnm,./ ";
for(i = 0; i < 13; i++){
keylist[39 + i] = keys[i];
}
keys = "!@#$%^&*()_+\x08";
for(i = 0; i < 13; i++){
keylist_caps[i] = keys[i];
}
keys = "QWERTYUIOP{}\n";
for(i = 0; i < 13; i++){
keylist_caps[13 + i] = keys[i];
}
keys = "ASDFGHJKL:\"|!";
for(i = 0; i < 13; i++){
keylist_caps[26 + i] = keys[i];
}
keys = "ZXCVBNM<>? ";
for(i = 0; i < 13; i++){
keylist_caps[39 + i] = keys[i];
}
vdp_addr = -1;
vdg_addr = -1;
psg_addr = -1;
debug_addr = -1;
fpu_stack = -1;
text_kbd_data = -1;
init_cards();
#ifdef ONLY_VDP
if(vdp_addr == -1){
#else
if(vdp_addr == -1 && vdg_addr == -1){
#endif
int i;
debug_number(0x0001);
for(i = 0; i < 3; i++){
_beep(1L * 1024);
unsigned long j;
for(j = 0; j < 1L * 1024; j++);
}
while(1);
}
video_init();
text_init();
clear();
beep();
if(text_kbd_data == -1){
debug_number(0x0002);
putstr("Text Card Mark I not present\r\n");
putstr("Text Card Mark I is required to use the BASIC\r\n");
putstr("Halted. Get one.\r\n");
while(1);
}
if(fpu_stack == -1){
debug_number(0x0003);
putstr("Math Card Mark I not present\r\n");
putstr("Math Card Mark I is required to use the BASIC\r\n");
putstr("Halted. Get one.\r\n");
while(1);
}
int incr;
int move = 0;
char k;
int wait = 0;
const char* title;
#ifdef ONLY_VDP
if(vdp_addr != -1){
#else
if(vdp_addr != -1 || vdg_addr != -1){
#endif
title = "Shiroi Microcomputer";
setvramaddr(scrwidth / 2 - strlen(title) / 2 + mull((scrheight - 9) / 2 - 1 + 3, scrwidth));
for(i = 0; title[i] != 0; i++) vramchar(title[i]);
if(vdp_addr != -1){
title = "\x82 2024 Nishi";
}else if(vdg_addr != -1){
title = "(C) 2024 Nishi";
}
setvramaddr(scrwidth / 2 - strlen(title) / 2 + mull(scrheight - 2, scrwidth));
for(i = 0; title[i] != 0; i++) vramchar(title[i]);
title = "Press any key to begin";
setvramaddr(scrwidth / 2 - strlen(title) / 2 + mull((scrheight - 9) / 2 + 1 + 3, scrwidth));
for(i = 0; title[i] != 0; i++) vramchar(title[i]);
}
move_bar:
if(vdp_addr != -1){
}
#ifndef ONLY_VDP
else if(vdg_addr != -1){
goto skip;
}
#endif
incr = move;
for(i = 0; i < 16; i++){
int j;
for(j = 0; j < 3; j++){
int p = incr;
if(p >= 15) p = p - 15;
if(wait == 0){
setvramaddr(i * 2 + j * 32);
_vramchar((p + 1) * 8 + 0x80);
_vramchar((p + 1) * 8 + 0x80);
setvramaddr(i * 2 + 32 * 20 - j * 32);
_vramchar((p + 1) * 8 + 0x80);
_vramchar((p + 1) * 8 + 0x80);
}else{
if(i * 2 - 1 < 0){
setvramaddr(i * 2 + j * 32);
_vramchar((p + 1) * 8 + 0x80);
}else{
setvramaddr(i * 2 + j * 32 - 1);
_vramchar((p + 1) * 8 + 0x80);
_vramchar((p + 1) * 8 + 0x80);
}
if(i * 2 - 1 < 0){
setvramaddr(i * 2 + 32 * 20 - j * 32);
_vramchar((p + 1) * 8 + 0x80);
}else{
setvramaddr(i * 2 + 32 * 20 - j * 32 - 1);
_vramchar((p + 1) * 8 + 0x80);
_vramchar((p + 1) * 8 + 0x80);
}
}
}
incr++;
if(incr == 15) incr = 0;
}
wait++;
if(wait == 2){
wait = 0;
move++;
if(move == 15) move = 0;
}
for(i = 0; i < 3 * 1024 / 16; i++);
skip:
if((k = inp(text_kbd_data)) == 0) goto move_bar;
while(inp(text_kbd_data) != 0);
if(vdp_addr == -1){
outp(vdp_addr, 0xf0);
outp(vdp_addr, 0x87);
}
basic();
}
void init_cards(void){
int i;
int port = 2;
for(i = 0; i < 256 / 3; i++){
int t = inp(port);
if(t != 0){
video_card(t, port);
sound_card(t, port);
math_card(t, port);
text_card(t, port);
debug_card(t, port);
}
port += 3;
}
}