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Merge pull request #34 from TC1995/master

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Separate Amstrad Mouse from main Amstrad machine core.
This commit is contained in:
OBattler
2016-10-21 23:48:25 +02:00
committed by GitHub
parent 7e07f2b533 a4fcfa9c78
commit fc017f03f5
1 changed files with 0 additions and 39 deletions
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39
src/amstrad.c
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@@ -38,49 +38,10 @@ void amstrad_write(uint16_t port, uint8_t val, void *priv)
}
}
static uint8_t mousex,mousey;
void amstrad_mouse_write(uint16_t addr, uint8_t val, void *priv)
{
// pclog("Write mouse %04X %02X %04X:%04X\n", addr, val, CS, pc);
if (addr==0x78) mousex=0;
else mousey=0;
}
uint8_t amstrad_mouse_read(uint16_t addr, void *priv)
{
// printf("Read mouse %04X %04X:%04X %02X\n", addr, CS, pc, (addr == 0x78) ? mousex : mousey);
if (addr==0x78) return mousex;
return mousey;
}
static int oldb = 0;
void amstrad_mouse_poll(int x, int y, int b)
{
mousex += x;
mousey -= y;
if ((b & 1) && !(oldb & 1))
keyboard_send(0x7e);
if ((b & 2) && !(oldb & 2))
keyboard_send(0x7d);
if (!(b & 1) && (oldb & 1))
keyboard_send(0xfe);
if (!(b & 2) && (oldb & 2))
keyboard_send(0xfd);
oldb = b;
}
void amstrad_init()
{
lpt2_remove_ams();
io_sethandler(0x0078, 0x0001, amstrad_mouse_read, NULL, NULL, amstrad_mouse_write, NULL, NULL, NULL);
io_sethandler(0x007a, 0x0001, amstrad_mouse_read, NULL, NULL, amstrad_mouse_write, NULL, NULL, NULL);
io_sethandler(0x0379, 0x0002, amstrad_read, NULL, NULL, NULL, NULL, NULL, NULL);
io_sethandler(0xdead, 0x0001, amstrad_read, NULL, NULL, amstrad_write, NULL, NULL, NULL);
mouse_poll = amstrad_mouse_poll;
}