6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-12-25 03:32:01 +00:00
Code Issues Projects Releases Wiki Activity

The ColecoVision now accepts and loads cartridges.

Browse Source
This commit is contained in:
Thomas Harte 2018-02-24 18:26:44 -05:00
parent 23c47e21de
commit 23d15a4d6c
1 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
Machines/ColecoVision/ColecoVision.cpp
View File

@ -13,6 +13,7 @@
#include "../../Components/9918/9918.hpp"
#include "../CRTMachine.hpp"
#include "../ConfigurationTarget.hpp"
#include "../../ClockReceiver/ForceInline.hpp"
@ -22,7 +23,8 @@ namespace Vision {
class ConcreteMachine:
public Machine,
public CPU::Z80::BusHandler,
public CRTMachine::Machine {
public CRTMachine::Machine,
public ConfigurationTarget::Machine {
public:
ConcreteMachine() : z80_(*this) {
@ -50,6 +52,20 @@ class ConcreteMachine:
z80_.run_for(cycles);
}
void configure_as_target(const Analyser::Static::Target &target) override {
// Insert the media.
insert_media(target.media);
}
bool insert_media(const Analyser::Static::Media &media) override {
if(!media.cartridges.empty()) {
const auto &segment = media.cartridges.front()->get_segments().front();
cartridge_ = segment.data;
}
return true;
}
// Obtains the system ROMs.
bool set_rom_fetcher(const std::function<std::vector<std::unique_ptr<std::vector<uint8_t>>>(const std::string &machine, const std::vector<std::string> &names)> &roms_with_names) override {
auto roms = roms_with_names(
@ -83,6 +99,8 @@ class ConcreteMachine:
*cycle.value = bios_[address];
} else if(address >= 0x6000 && address < 0x8000) {
*cycle.value = ram_[address & 1023];
} else if(address >= 0x8000 && address < 0x8000 + cartridge_.size()) {
*cycle.value = cartridge_[address - 0x8000];
} else {
*cycle.value = 0xff;
}
@ -139,6 +157,7 @@ class ConcreteMachine:
std::unique_ptr<TI::TMS9918> vdp_;
std::vector<uint8_t> bios_;
std::vector<uint8_t> cartridge_;
uint8_t ram_[1024];
HalfCycles time_since_vdp_update_;