66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/*
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* unistd.h - standard system calls
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*/
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/* $Id$ */
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#ifndef _CPM_H
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#define _CPM_H
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#include <stdint.h>
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/* These interface provides a very bare-bones interface to the CP/M BDOS. Set
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* the following four variables as you wish, call cpm_bdos(), and the contents
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* of the variables will have been updated accordingly. */
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extern uint8_t cpm_a_register;
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extern uint16_t cpm_bc_register;
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extern uint16_t cpm_de_register;
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extern uint16_t cpm_hl_register;
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extern void cpm_bdos(void);
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/* Describes the available CP/M BDOS calls. They're a fairly conservative set
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* taken from the CP/M 2.0 manual. */
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enum
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{
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CPM_BDOS_SYSTEM_RESET,
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CPM_BDOS_CONSOLE_INPUT,
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CPM_BDOS_CONSOLE_OUTPUT,
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CPM_BDOS_READER_INPUT,
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CPM_BDOS_PUNCH_OUTPUT,
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CPM_BDOS_LIST_OUTPUT,
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CPM_BDOS_CONSOLE_IO,
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CPM_BDOS_GET_IO_BYTE,
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CPM_BDOS_SET_IO_BYTE,
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CPM_BDOS_PRINT_STRING,
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CPM_BDOS_READ_CONSOLE_BUFFER,
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CPM_BDOS_GET_CONSOLE_STATUS,
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CPM_BDOS_GET_VERSION_NUMBER,
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CPM_BDOS_RESET_DISK_SYSTEM,
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CPM_BDOS_SELECT_DISK,
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CPM_BDOS_OPEN_FILE,
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CPM_BDOS_CLOSE_FILE,
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CPM_BDOS_SEARCHFIRST,
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CPM_BDOS_SEARCHNEXT,
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CPM_BDOS_DELETE_FILE,
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CPM_BDOS_READ_SEQ,
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CPM_BDOS_WRITE_SEQ,
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CPM_BDOS_MAKE_FILE,
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CPM_BDOS_RENAME_FILE,
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CPM_BDOS_GET_LOGIN_VECTOR,
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CPM_BDOS_GET_CURRENT_DISK,
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CPM_BDOS_SET_DMA_ADDRESS,
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CPM_BDOS_GET_ALLOC_VECTOR,
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CPM_BDOS_WRITE_PROTECT,
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CPM_BDOS_GET_RO_VECTOR,
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CPM_BDOS_SET_FILE_ATTR,
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CPM_BDOS_GET_DISK_PARMS,
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CPM_BDOS_SETGET_USER,
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CPM_BDOS_READ_RANDOM,
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CPM_BDOS_WRITE_RANDOM,
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CPM_BDOS_GET_FILE_SIZE,
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CPM_BDOS_SET_RANDOM
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};
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#endif
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