97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
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#include "lsnes.hpp"
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#include <snes/snes.hpp>
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#include <ui-libsnes/libsnes.hpp>
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#include "core/controllerframe.hpp"
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namespace
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{
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const char* buttons = "BYsSudlrAXLR";
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struct porttype_multitap : public porttype_info
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{
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porttype_multitap() : porttype_info(PT_MULTITAP, "multitap", 6) {}
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void write(unsigned char* buffer, unsigned idx, unsigned ctrl, short x) const throw()
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{
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if(ctrl >= 12 || idx > 4)
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return;
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unsigned i = idx * 12 + ctrl;
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if(x)
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buffer[i / 8] |= (1 << (i % 8));
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else
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buffer[i / 8] &= ~(1 << (i % 8));
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}
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short read(const unsigned char* buffer, unsigned idx, unsigned ctrl) const throw()
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{
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if(ctrl >= 12 || idx > 4)
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return 0;
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unsigned i = idx * 12 + ctrl;
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return ((buffer[i / 8] & (1 << (i % 8))) != 0);
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}
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void display(const unsigned char* buffer, unsigned idx, char* buf) const throw()
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{
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if(idx > 3) {
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buf[0] = '\0';
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return;
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}
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unsigned j = idx * 12;
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for(unsigned i = 0; i < 12; i++)
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buf[i] = (buffer[(i + j) / 8] & (1 << ((i + j) % 8))) ? buttons[i % 12] : ' ';
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buf[12] = '\0';
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}
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size_t serialize(const unsigned char* buffer, char* textbuf) const throw()
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{
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unsigned j = 0;
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for(unsigned i = 0; i < 48; i++) {
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if(i % 12 == 0)
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textbuf[j++] = '|';
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textbuf[j++] = (buffer[i / 8] & (1 << (i % 8))) ? buttons[i % 12] : '.';
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}
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return j;
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}
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size_t deserialize(unsigned char* buffer, const char* textbuf) const throw()
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{
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buffer[0] = 0;
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buffer[1] = 0;
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buffer[2] = 0;
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buffer[3] = 0;
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buffer[4] = 0;
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buffer[5] = 0;
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const char* orig_texbuf = textbuf;
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size_t index = 0;
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for(unsigned i = 0; i < 48; i++) {
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if(read_button_value(textbuf, index))
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buffer[i / 8] |= (1 << (i % 8));
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if(i % 12 == 0 && i > 0)
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skip_rest_of_field(textbuf, index, true);
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}
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skip_rest_of_field(textbuf, index, false);
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return index;
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}
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devicetype_t devicetype(unsigned idx) const throw()
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{
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return (idx < 4) ? DT_GAMEPAD : DT_NONE;
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}
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unsigned controllers() const throw()
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{
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return 4;
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}
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unsigned internal_type() const throw()
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{
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return SNES_DEVICE_MULTITAP;
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}
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bool legal(unsigned port) const throw()
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{
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return true;
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}
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} multitap;
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}
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