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-rw-r--r--include/errnum.h17
-rw-r--r--include/print-utils.h14
-rw-r--r--include/z80-if.h3
3 files changed, 19 insertions, 15 deletions
diff --git a/include/errnum.h b/include/errnum.h
index adb8a80..628c432 100644
--- a/include/errnum.h
+++ b/include/errnum.h
@@ -12,16 +12,17 @@
typedef enum {
ESUCCESS = 0,
ENOMEM = 101,
+ EINTR,
EBUSTO,
EUNEXPARG,
- EATRANGE,
- EATALRDY,
- EATNOT,
- EATOPEN,
- EATOTHER,
- ERUNNING,
- EINVAL,
- EEOF,
+ EATRANGE,
+ EATALRDY,
+ EATNOT,
+ EATOPEN,
+ EATOTHER,
+ ERUNNING,
+ EINVAL,
+ EEOF,
} ERRNUM;
diff --git a/include/print-utils.h b/include/print-utils.h
index ffff039..38de111 100644
--- a/include/print-utils.h
+++ b/include/print-utils.h
@@ -1,7 +1,7 @@
/*
- * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ * (C) Copyright 2014, 2018 Leo C. <erbl259-lmu@yahoo.de>
*
- * SPDX-License-Identifier: GPL-2.0+
+ * SPDX-License-Identifier: GPL-2.0
*/
#ifndef PRINT_UTILS_H
@@ -11,14 +11,14 @@
#include <avr/eeprom.h>
void print_blanks(uint_fast8_t count);
-int dump_mem(uint32_t address, uint32_t offset, uint32_t len,
- int (*readfkt)(uint8_t *, uint32_t, uint8_t), char *title);
+ERRNUM dump_mem(uint32_t address, uint32_t offset, uint32_t len,
+ ERRNUM (*readfkt)(uint8_t *, uint32_t, uint8_t), char *title);
void dump_eep(uint32_t addr, unsigned int len, char *title);
void dump_ram(uint8_t *addr, size_t offset, unsigned int len, char *title);
-int eeprom_read_buf(uint8_t *buf, uint32_t addr, uint8_t count);
-int ram_read_buf(uint8_t *buf, uint32_t addr, uint8_t count);
-int flash_read_buf(uint8_t *buf, uint32_t addr, uint8_t count);
+ERRNUM eeprom_read_buf(uint8_t *buf, uint32_t addr, uint8_t count);
+ERRNUM ram_read_buf(uint8_t *buf, uint32_t addr, uint8_t count);
+ERRNUM flash_read_buf(uint8_t *buf, uint32_t addr, uint8_t count);
#endif /* PRINT_UTILS_H */
diff --git a/include/z80-if.h b/include/z80-if.h
index ef87e5a..d5a5f56 100644
--- a/include/z80-if.h
+++ b/include/z80-if.h
@@ -26,6 +26,9 @@ typedef enum {
typedef enum {LOW, HIGH} level_t;
+
+void z80_bus_request_or_exit(void);
+
zstate_t z80_bus_state(void);
zstate_t z80_bus_cmd(bus_cmd_t cmd);
void z80_setup_bus(void);