TV BOYエミュレータを更新しました。求む！エミュレータ開発者。
ソフトは6種類(各3,800円)が発売されたそうです。
- 市街戦200X年（ふつうに遊べる！）
- ミスターボム（ふつうに遊べる！）
- エキサイトインベーダー（ゲーム開始直後フリーズ）
- ロボタンウォーズ（ゲーム開始後キー入力できない）
- 地対空大作戦（サウンドが鳴らない）
- フロッガー（タイトルでフリーズ）
ソースコード差分は以下になります。
takeda-toshiya.my.coocan.jp
/*
GAKKEN TV BOY Emulator 'yaTVBOY'
Author : tanam
Date : 2020.06.13
[ memory ]
*/
#include "memory.h"
#define SET_BANK(s, e, w, r) { \
int sb = (s) >> 10, eb = (e) >> 10; \
for(int i = sb; i <= eb; i++) { \
if((w) == wdmy) { \
wbank[i] = wdmy; \
} else { \
wbank[i] = (w) + 0x400 * (i - sb); \
} \
if((r) == rdmy) { \
rbank[i] = rdmy; \
} else { \
rbank[i] = (r) + 0x400 * (i - sb); \
} \
} \
}
void MEMORY::initialize()
{
memset(rom, 0xff, sizeof(rom));
memset(rdmy, 0xff, sizeof(rdmy));
// set memory map
SET_BANK(0x0000, 0x0fff, ram, ram );
SET_BANK(0x1000, 0x1fff, vram, vram);
SET_BANK(0x2000, 0xefff, wdmy, rdmy);
SET_BANK(0xf000, 0xffff, wdmy, rom );
// register event
// register_event_by_clock(this, 0, 256, true, NULL);
register_event_by_clock(this, 0, 4096, true, NULL);
event = false;
inserted = false;
}
void MEMORY::reset()
{
memset(ram, 0, sizeof(ram));
for (int i=0; i<sizeof(vram); i++) {
vram[i]=rand() % 256;
}
d_vdp->write_signal(SIG_MC6847_AS, 0x00, 0x08);
d_vdp->write_signal(SIG_MC6847_AG, 0x10, 0x10);
d_vdp->write_signal(SIG_MC6847_CSS, 0x20, 0x20);
d_vdp->write_signal(SIG_MC6847_GM, 0x00, 0x02);
d_vdp->write_signal(SIG_MC6847_GM, 0x01, 0x01);
d_vdp->write_signal(SIG_MC6847_INTEXT, 0x00, 0x04);
shot1 = shot2 = up = down = left = right = 0;
}
void MEMORY::write_data8(uint32_t addr, uint32_t data)
{
addr &= 0xffff;
if(addr >= 0x80 && addr < 0x100) {
d_cpu->ram[addr-0x80]=data;
}
if(addr == 0x2000) {
d_vdp->write_signal(SIG_MC6847_AS, data, 0x08);
d_vdp->write_signal(SIG_MC6847_AG, data, 0x10);
d_vdp->write_signal(SIG_MC6847_CSS, data, 0x20);
d_vdp->write_signal(SIG_MC6847_GM, data << 1, 0x02);
d_vdp->write_signal(SIG_MC6847_GM, data >> 1, 0x01);
d_vdp->write_signal(SIG_MC6847_INTEXT, data, 0x04);
return;
}
wbank[addr >> 10][addr & 0x3ff] = data;
}
uint32_t MEMORY::read_data8(uint32_t addr)
{
addr &= 0xffff;
if(addr >= 0x80 && addr < 0x100) {
return d_cpu->ram[addr-0x80];
}
return rbank[addr >> 10][addr & 0x3ff];
}
void MEMORY::write_signal(int id, uint32_t data, uint32_t mask)
{
d_cpu->write_signal(SIG_MC6801_PORT_2, 0x1E, 0x1E);
if (shot2==1 && (d_cpu->port[0].wreg & 0x01)==1) {
d_cpu->write_signal(SIG_MC6801_PORT_2, 0x00, 0x04);
}
if (shot1==1 && (d_cpu->port[0].wreg & 0x01)==1) {
d_cpu->write_signal(SIG_MC6801_PORT_2, 0x00, 0x02);
}
// if (event) return; // speed down
if (down==1 && (d_cpu->port[0].wreg & 0x01)==0) {
d_cpu->write_signal(SIG_MC6801_PORT_2, 0x00, 0x04);
// frogger
if (rom[0x0ff4]==0xfa && rom[0x0ff5]==0xd7) down =0;
}
if (up==1 && (d_cpu->port[0].wreg & 0x01)==0) {
d_cpu->write_signal(SIG_MC6801_PORT_2, 0x00, 0x02);
// frogger
if (rom[0x0ff4]==0xfa && rom[0x0ff5]==0xd7) up =0;
}
if (left==1 && (d_cpu->port[0].wreg & 0x01)==0) {
d_cpu->write_signal(SIG_MC6801_PORT_2, 0x00, 0x08);
// frogger
if (rom[0x0ff4]==0xfa && rom[0x0ff5]==0xd7) left =0;
}
if (right==1 && (d_cpu->port[0].wreg & 0x01)==0) {
d_cpu->write_signal(SIG_MC6801_PORT_2, 0x00, 0x10);
// frogger
if (rom[0x0ff4]==0xfa && rom[0x0ff5]==0xd7) right =0;
}
}
void MEMORY::event_callback(int event_id, int err)
{
if (event) {
d_cpu->write_signal(SIG_CPU_IRQ, 1, 1);
event = false;
} else {
d_cpu->write_signal(SIG_CPU_IRQ, 0, 1);
event = true;
}
}
void MEMORY::key_down(int code)
{
if (code==0x20) {
shot1 =1;
}
if (code==0x11) {
shot2 =1;
}
if (code==0x25) {
left =1;
}
if (code==0x26) {
up =1;
}
if (code==0x27) {
right =1;
}
if (code==0x28) {
down =1;
}
}
void MEMORY::key_up(int code)
{
if (code==0x20) {
shot1 =0;
}
if (code==0x11) {
shot2 =0;
}
if (code==0x25) {
left =0;
}
if (code==0x26) {
up =0;
}
if (code==0x27) {
right =0;
}
if (code==0x28) {
down =0;
}
}
void MEMORY::open_cart(const _TCHAR* file_path)
{
FILEIO* fio = new FILEIO();
if(fio->Fopen(file_path, FILEIO_READ_BINARY)) {
fio->Fread(rom, sizeof(rom), 1);
fio->Fclose();
inserted = true;
}
delete fio;
}
void MEMORY::close_cart()
{
memset(rom, 0xff, sizeof(rom));
inserted = false;
}
#define STATE_VERSION 1
bool MEMORY::process_state(FILEIO* state_fio, bool loading)
{
if(!state_fio->StateCheckUint32(STATE_VERSION)) {
return false;
}
if(!state_fio->StateCheckInt32(this_device_id)) {
return false;
}
state_fio->StateArray(ram, sizeof(ram), 1);
state_fio->StateArray(vram, sizeof(vram), 1);
return true;
}
