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comparison io.c @ 1427:4e5797b3935a

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WIP - New savestate format
author Michael Pavone <pavone@retrodev.com>
date Sun, 06 Aug 2017 00:06:36 -0700
parents 6a0e3bb6981f
children 178de1432291
comparison
equal deleted inserted replaced
1426:957325c990d5 1427:4e5797b3935a
13 #include <errno.h> 13 #include <errno.h>
14 #endif 14 #endif
15 #include <string.h> 15 #include <string.h>
16 #include <stdlib.h> 16 #include <stdlib.h>
17 17
18 #include "serialize.h"
18 #include "io.h" 19 #include "io.h"
19 #include "blastem.h" 20 #include "blastem.h"
20 #include "genesis.h" 21 #include "genesis.h"
21 #include "sms.h" 22 #include "sms.h"
22 #include "render.h" 23 #include "render.h"
2128 printf ("value: %X\n", value); 2129 printf ("value: %X\n", value);
2129 }*/ 2130 }*/
2130 return value; 2131 return value;
2131 } 2132 }
2132 2133
2133 2134 void io_serialize(io_port *port, serialize_buffer *buf)
2135 {
2136 save_int8(buf, port->output);
2137 save_int8(buf, port->control);
2138 save_int8(buf, port->serial_out);
2139 save_int8(buf, port->serial_in);
2140 save_int8(buf, port->serial_ctrl);
2141 save_int8(buf, port->device_type);
2142 save_buffer32(buf, port->slow_rise_start, 8);
2143 switch (port->device_type)
2144 {
2145 case IO_GAMEPAD6:
2146 save_int32(buf, port->device.pad.timeout_cycle);
2147 save_int16(buf, port->device.pad.th_counter);
2148 break;
2149 case IO_MOUSE:
2150 save_int32(buf, port->device.mouse.ready_cycle);
2151 save_int16(buf, port->device.mouse.last_read_x);
2152 save_int16(buf, port->device.mouse.last_read_y);
2153 save_int16(buf, port->device.mouse.latched_x);
2154 save_int16(buf, port->device.mouse.latched_y);
2155 save_int8(buf, port->device.mouse.tr_counter);
2156 break;
2157 case IO_SATURN_KEYBOARD:
2158 case IO_XBAND_KEYBOARD:
2159 save_int8(buf, port->device.keyboard.tr_counter);
2160 if (port->device_type == IO_XBAND_KEYBOARD) {
2161 save_int8(buf, port->device.keyboard.mode);
2162 save_int8(buf, port->device.keyboard.cmd);
2163 }
2164 break;
2165 }
2166 }
2167
2168 void io_deserialize(deserialize_buffer *buf, void *vport)
2169 {
2170 io_port *port = vport;
2171 port->output = load_int8(buf);
2172 port->control = load_int8(buf);
2173 port->serial_out = load_int8(buf);
2174 port->serial_in = load_int8(buf);
2175 port->serial_ctrl = load_int8(buf);
2176 uint8_t device_type = load_int8(buf);
2177 if (device_type != port->device_type) {
2178 warning("Loaded save state has a different device type from the current configuration");
2179 return;
2180 }
2181 switch (port->device_type)
2182 {
2183 case IO_GAMEPAD6:
2184 port->device.pad.timeout_cycle = load_int32(buf);
2185 port->device.pad.th_counter = load_int16(buf);
2186 break;
2187 case IO_MOUSE:
2188 port->device.mouse.ready_cycle = load_int32(buf);
2189 port->device.mouse.last_read_x = load_int16(buf);
2190 port->device.mouse.last_read_y = load_int16(buf);
2191 port->device.mouse.latched_x = load_int16(buf);
2192 port->device.mouse.latched_y = load_int16(buf);
2193 port->device.mouse.tr_counter = load_int8(buf);
2194 break;
2195 case IO_SATURN_KEYBOARD:
2196 case IO_XBAND_KEYBOARD:
2197 port->device.keyboard.tr_counter = load_int8(buf);
2198 if (port->device_type == IO_XBAND_KEYBOARD) {
2199 port->device.keyboard.mode = load_int8(buf);
2200 port->device.keyboard.cmd = load_int8(buf);
2201 }
2202 break;
2203 }
2204 }