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