Python: Add GB SIO

This commit is contained in:
Vicki Pfau 2017-05-31 22:40:03 -07:00
parent efd8c4b466
commit 362c572009
5 changed files with 119 additions and 30 deletions

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@ -34,6 +34,15 @@ enum GBMemoryBankControllerType {
GB_MBC5_RUMBLE = 0x105
};
struct GBSIODriver {
struct GBSIO* p;
bool (*init)(struct GBSIODriver* driver);
void (*deinit)(struct GBSIODriver* driver);
void (*writeSB)(struct GBSIODriver* driver, uint8_t value);
uint8_t (*writeSC)(struct GBSIODriver* driver, uint8_t value);
};
CXX_GUARD_END
#endif

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@ -12,6 +12,7 @@ CXX_GUARD_START
#include <mgba/core/log.h>
#include <mgba/core/timing.h>
#include <mgba/gb/interface.h>
#define MAX_GBS 2
@ -34,15 +35,6 @@ struct GBSIO {
uint8_t pendingSB;
};
struct GBSIODriver {
struct GBSIO* p;
bool (*init)(struct GBSIODriver* driver);
void (*deinit)(struct GBSIODriver* driver);
void (*writeSB)(struct GBSIODriver* driver, uint8_t value);
uint8_t (*writeSC)(struct GBSIODriver* driver, uint8_t value);
};
DECL_BITFIELD(GBRegisterSC, uint8_t);
DECL_BIT(GBRegisterSC, ShiftClock, 0);
DECL_BIT(GBRegisterSC, ClockSpeed, 1);

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@ -1,4 +1,4 @@
# Copyright (c) 2013-2016 Jeffrey Pfau
# Copyright (c) 2013-2017 Jeffrey Pfau
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
@ -8,6 +8,7 @@ from .lr35902 import LR35902Core
from .core import Core, needsReset
from .memory import Memory
from .tile import Sprite
from . import createCallback
class GB(Core):
KEY_A = lib.GBA_KEY_A
@ -34,6 +35,48 @@ class GB(Core):
self._native.video.renderer.cache = ffi.NULL
lib.mTileCacheDeinit(cache)
def attachSIO(self, link):
lib.GBSIOSetDriver(ffi.addressof(self._native.sio), link._native)
createCallback("GBSIOPythonDriver", "init")
createCallback("GBSIOPythonDriver", "deinit")
createCallback("GBSIOPythonDriver", "writeSB")
createCallback("GBSIOPythonDriver", "writeSC")
class GBSIODriver(object):
def __init__(self):
self._handle = ffi.new_handle(self)
self._native = ffi.gc(lib.GBSIOPythonDriverCreate(self._handle), lib.free)
def init(self):
return True
def deinit(self):
pass
def writeSB(self, value):
pass
def writeSC(self, value):
return value
class GBSIOSimpleDriver(GBSIODriver):
def __init__(self):
super(GBSIOSimpleDriver, self).__init__()
self.tx = 0xFF
self.rx = 0xFF
def writeSB(self, value):
self.rx = value
def schedule(self, period=0x100, when=0):
self._native.p.remainingBits = 8
self._native.p.period = period
self._native.p.pendingSB = self.tx
self.tx = 0xFF
lib.mTimingDeschedule(ffi.addressof(self._native.p.p.timing), ffi.addressof(self._native.p.event))
lib.mTimingSchedule(ffi.addressof(self._native.p.p.timing), ffi.addressof(self._native.p.event), when)
class GBMemory(Memory):
def __init__(self, core):
super(GBMemory, self).__init__(core, 0x10000)

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@ -3,36 +3,36 @@
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <mgba/gba/interface.h>
#include "flags.h"
#define CREATE_SHIM(PLAT, NAME, RETURN) \
RETURN _py ## PLAT ## SIOPythonDriver ## NAME (void* driver); \
static RETURN _py ## PLAT ## SIOPythonDriver ## NAME ## Shim(struct PLAT ## SIODriver* driver) { \
struct PLAT ## SIODriver* py = (struct PLAT ## SIODriver*) driver; \
return _py ## PLAT ## SIOPythonDriver ## NAME(py); \
}
#define CREATE_SHIM_ARGS(PLAT, NAME, RETURN, TYPES, ...) \
RETURN _py ## PLAT ## SIOPythonDriver ## NAME TYPES; \
static RETURN _py ## PLAT ## SIOPythonDriver ## NAME ## Shim TYPES { \
struct PLAT ## SIODriver* py = (struct PLAT ## SIODriver*) driver; \
return _py ## PLAT ## SIOPythonDriver ## NAME(py, __VA_ARGS__); \
}
#ifdef M_CORE_GBA
#define CREATE_SHIM(NAME, RETURN) \
RETURN _pyGBASIOPythonDriver ## NAME (void* driver); \
static RETURN _pyGBASIOPythonDriver ## NAME ## Shim(struct GBASIODriver* driver) { \
struct GBASIODriver* py = (struct GBASIODriver*) driver; \
return _pyGBASIOPythonDriver ## NAME(py); \
}
#define CREATE_SHIM_ARGS(NAME, RETURN, TYPES, ...) \
RETURN _pyGBASIOPythonDriver ## NAME TYPES; \
static RETURN _pyGBASIOPythonDriver ## NAME ## Shim TYPES { \
struct GBASIODriver* py = (struct GBASIODriver*) driver; \
return _pyGBASIOPythonDriver ## NAME(py, __VA_ARGS__); \
}
#include <mgba/gba/interface.h>
struct GBASIOPythonDriver {
struct GBASIODriver d;
void* pyobj;
};
CREATE_SHIM(Init, bool);
CREATE_SHIM(Deinit, void);
CREATE_SHIM(Load, bool);
CREATE_SHIM(Unload, bool);
CREATE_SHIM_ARGS(WriteRegister, uint16_t, (struct GBASIODriver* driver, uint32_t address, uint16_t value), address, value);
CREATE_SHIM(GBA, Init, bool);
CREATE_SHIM(GBA, Deinit, void);
CREATE_SHIM(GBA, Load, bool);
CREATE_SHIM(GBA, Unload, bool);
CREATE_SHIM_ARGS(GBA, WriteRegister, uint16_t, (struct GBASIODriver* driver, uint32_t address, uint16_t value), address, value);
struct GBASIODriver* GBASIOPythonDriverCreate(void* pyobj) {
struct GBASIOPythonDriver* driver = malloc(sizeof(*driver));
@ -47,3 +47,30 @@ struct GBASIODriver* GBASIOPythonDriverCreate(void* pyobj) {
}
#endif
#ifdef M_CORE_GB
#include <mgba/gb/interface.h>
struct GBSIOPythonDriver {
struct GBSIODriver d;
void* pyobj;
};
CREATE_SHIM(GB, Init, bool);
CREATE_SHIM(GB, Deinit, void);
CREATE_SHIM_ARGS(GB, WriteSB, void, (struct GBSIODriver* driver, uint8_t value), value);
CREATE_SHIM_ARGS(GB, WriteSC, uint8_t, (struct GBSIODriver* driver, uint8_t value), value);
struct GBSIODriver* GBSIOPythonDriverCreate(void* pyobj) {
struct GBSIOPythonDriver* driver = malloc(sizeof(*driver));
driver->d.init = _pyGBSIOPythonDriverInitShim;
driver->d.deinit = _pyGBSIOPythonDriverDeinitShim;
driver->d.writeSB = _pyGBSIOPythonDriverWriteSBShim;
driver->d.writeSC = _pyGBSIOPythonDriverWriteSCShim;
driver->pyobj = pyobj;
return &driver->d;
}
#endif

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@ -21,3 +21,21 @@ PYEXPORT bool _pyGBASIOPythonDriverUnload(void* driver);
PYEXPORT uint16_t _pyGBASIOPythonDriverWriteRegister(void* driver, uint32_t address, uint16_t value);
#endif
#ifdef M_CORE_GB
#include <mgba/gb/interface.h>
struct GBSIOPythonDriver {
struct GBSIODriver d;
void* pyobj;
};
struct GBSIODriver* GBSIOPythonDriverCreate(void* pyobj);
PYEXPORT bool _pyGBSIOPythonDriverInit(void* driver);
PYEXPORT void _pyGBSIOPythonDriverDeinit(void* driver);
PYEXPORT void _pyGBSIOPythonDriverWriteSB(void* driver, uint8_t value);
PYEXPORT uint8_t _pyGBSIOPythonDriverWriteSC(void* driver, uint8_t value);
#endif