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48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/* Copyright holders: Sarah Walker
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see COPYING for more details
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*/
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#include "ibm.h"
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#include "io.h"
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#include "keyboard.h"
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#include "lpt.h"
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#include "mouse.h"
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#include "amstrad.h"
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static uint8_t amstrad_dead;
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uint8_t amstrad_read(uint16_t port, void *priv)
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{
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pclog("amstrad_read : %04X\n",port);
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switch (port)
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{
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case 0x379:
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return 7 | readdacfifo();
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case 0x37a:
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if (romset == ROM_PC1512) return 0x20;
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if (romset == ROM_PC200) return 0x80;
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return 0;
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case 0xdead:
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return amstrad_dead;
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}
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return 0xff;
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}
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void amstrad_write(uint16_t port, uint8_t val, void *priv)
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{
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switch (port)
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{
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case 0xdead:
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amstrad_dead = val;
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break;
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}
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}
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void amstrad_init()
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{
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lpt2_remove_ams();
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io_sethandler(0x0379, 0x0002, amstrad_read, NULL, NULL, NULL, NULL, NULL, NULL);
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io_sethandler(0xdead, 0x0001, amstrad_read, NULL, NULL, amstrad_write, NULL, NULL, NULL);
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}
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