work on interrupts
This commit is contained in:
Kyle Cardoza
parent
2bbfecfea8
commit
67ae905a17
371
src/interrupts.s
371
src/interrupts.s
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@ -153,25 +153,42 @@ cop_handler_native:
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jmp (.kbank cop_jump_table,x)
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cop_jump_table:
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.word .word0 cop_exit
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.word .word0 cop_reset
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.word .word0 cop_get_version
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.word .word0 cop_console_input
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.word .word0 cop_console_output
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.word .word0 cop_console_print_string
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.word .word0 cop_console_read_line
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.word .word0 cop_console_status
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.word .word0 cop_volume_select
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.word .word0 cop_volume_query
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.word .word0 cop_volume_current
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.word .word0 cop_get_date
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.word .word0 cop_set_date
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.word .word0 cop_get_time
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.word .word0 cop_set_time
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.word .word0 cop_filesystem_status
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.word .word0 cop_get_date_time
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.word .word0 cop_set_date_time
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.word .word0 cop_sector_read
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.word .word0 cop_sector_write
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.word .word0 cop_file_open
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.word .word0 cop_file_create
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.word .word0 cop_file_close
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.word .word0 cop_file_read
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.word .word0 cop_file_write
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.word .word0 cop_file_seek
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.word .word0 cop_file_delete
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.word .word0 cop_file_move
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.word .word0 cop_file_get_attributes
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.word .word0 cop_file_set_attributes
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.word .word0 cop_file_get_timestamp
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.word .word0 cop_file_set_timestamp
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.word .word0 cop_get_working_directory
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.word .word0 cop_set_working_directory
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.word .word0 cop_exec
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.word .word0 cop_exit
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.word .word0 cop_volume_initialize
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.word .word0 cop_volume_format
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.word .word0 cop_get_environment_value
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.word .word0 cop_set_environment_value
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.word .word0 cop_ioctl
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; -----------------------------------------------------------------------------
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; Function 0: Exit
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; Function 0: Soft Reset
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;
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; Exit the calling program, effectively soft-rebooting the system.
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;
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@ -179,7 +196,7 @@ cop_jump_table:
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; Return value: None
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.extern __program_start
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cop_exit:
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cop_reset:
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jmp long:__program_start
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; -----------------------------------------------------------------------------
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@ -269,48 +286,26 @@ cop_console_status:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 7: Select Volume
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; Function 7: Query Filesystem Status
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;
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; Sets the selected volume to the one whose logical number is in A.
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;
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; Arguments:
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; A: Logical number to select as the selected volume.
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; Return Value:
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; A: Zero on success. Error code on failure.
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cop_volume_select:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 8: Query Volumes
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;
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; Returns a bitmap of the active (available) volume numbers in C.
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; Bit 0 refers to logical volume 0, bit 1 to logical volume 1, etc.
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; Determine if there is an SD card inserted which contains a valid filesystem.
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;
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; Arguments: None
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; Return Value:
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; C: Bitmap of active logical volumes.
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; A: Zero if a valid filesystem is present, nonzero otherwise.
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cop_volume_query:
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cop_filesystem_status:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 9: Get Current Volume
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;
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; Returns the logical volume ID of the currently selected volume.
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;
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; Arguments: None
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; Return Value:
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; A: Logical volume ID of the current volume.
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cop_volume_current:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 10: Get Date
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; Function 8: Get Date and Time
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;
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; Gets the current date into a structure with the following format:
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; struct date_s {
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; uint8_t millisecond;
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; uint8_t second;
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; uint8_t minute;
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; uint8_t hour;
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; uint16_t year;
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; uint8_t month;
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; uint8_t day;
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@ -325,14 +320,18 @@ cop_volume_current:
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; Y: Argument address
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; Return Value: None
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cop_get_date:
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cop_get_date_time:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 11: Set Date
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; Function 9: Set Date and Time
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;
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; Sets the current date from a structure with the following format:
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; struct date_s {
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; uint8_t millisecond;
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; uint8_t second;
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; uint8_t minute;
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; uint8_t hour;
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; uint16_t year;
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; uint8_t month;
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; uint8_t day;
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@ -347,70 +346,23 @@ cop_get_date:
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; Y: Argument address
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; Return Value: None
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cop_set_date:
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cop_set_date_time:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 12: Get Time
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; Function 10: Read Sectors
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;
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; Gets the current time into a structure with the following format:
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; struct time_s {
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; uint8_t millisecond;
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; uint8_t second;
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; uint8_t minute;
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; uint8_t hour;
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; };
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; Read a number of sectors from the SD card into a memory buffer provided by the
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; caller. Arguments are provided in a structure with the following format:
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;
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; If a compatible realtime clock is installed, it will be used as the source
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; for the time; otherwise, internal kernel variables will be used, updated by
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; the system timer.
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;
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; Arguments:
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; A: Bank of argument address
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; Y: Argument address
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; Return Value: None
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cop_get_time:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 13: Set Time
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;
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; Gets the current time into a structure with the following format:
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; struct time_s {
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; uint8_t millisecond;
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; uint8_t second;
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; uint8_t minute;
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; uint8_t hour;
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; };
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;
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; If a compatible realtime clock is installed, it will be used as the destination
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; for the date; otherwise, internal kernel variables will be used, updated by
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; the system timer.
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;
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; Arguments:
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; A: Bank of argument address
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; Y: Argument address
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; Return Value: None
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cop_set_time:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 14: Read Sectors
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;
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; Read a number of sectors from the specified physical device. Arguments are
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; provided in a structure with the following format:
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; struct sector_read_s {
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; uint8_t device;
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; uint32_t first_sector;
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; uint8_t length;
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; void *dest;
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; far void *dest;
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; };
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;
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; Arguments:
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; C: Bank of argument address
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; A: Bank of argument address
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; Y: Argument address
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; Return Value: Error code
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@ -419,21 +371,236 @@ cop_sector_read:
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; -----------------------------------------------------------------------------
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; Function 15: Write Sectors
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; Function 11: Write Sectors
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;
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; Write a number of sectors to the SD card from a buffer provided by the caller.
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; Arguments are provided in a structure with the following format:
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;
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; Write a number of sectors to the specified physical device. Arguments are
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; provided in a structure with the following format:
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; struct sector_write_s {
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; uint8_t device;
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; uint32_t first_sector;
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; uint8_t length;
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; void *src;
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; far void *src;
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; };
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;
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; Arguments:
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; C: Bank of argument address
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; A: Bank of argument address
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; Y: Argument address
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; Return Value: Error code
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cop_sector_write:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 12: Open File
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;
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; Given a pointer to a NULL-terminated string representing the full path to a
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; file, create a new file handle representing that file, open the file, and
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; return the file handle.
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;
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; struct sector_write_s {
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; char *path;
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; uint8_t mode;
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; };
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;
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; The mode is a bit-flag composed of the binary OR of any of the following
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; options:
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; MODE_READ
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; Specifies read access to the file.
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; Combine with MODE_WRITE for read-write access.
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; MODE_WRITE
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; Specifies write access to the file.
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; Combine with MODE_READ for read-write access.
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; MODE_OPEN_EXISTING
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; Opens a file. The function fails if the file does not exist.
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; MODE_CREATE_NEW
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; Creates a new file. The function fails if the file already exists.
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; MODE_CREATE_ALWAYS
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; Creates a new file. If the file exists, it will be overwritten.
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; MODE_OPEN_ALWAYS
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; Create the file if it does not exist.
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; MODE_OPEN_APPEND
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; Same as MODE_OPEN_ALWAYS except the index pointer is set to the
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; end of the file.
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;
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; Arguments:
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; A: Bank of argument address
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; Y: Argument address
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; Return Value:
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; A: Error code
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; Y: File handle
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cop_file_open:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 13: Create File
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;
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; Given a pointer to a NULL-terminated string representing the full path to a
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; file, create a new file handle representing that file, create the file, and
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; return an open file handle.
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;
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; Arguments:
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; A: Bank of string address
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; Y: String address
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; Return Value:
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; A: Error code
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; Y: File handle
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cop_file_create:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 14: Close File
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;
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; Given a file handle, close it and invalidate the file handle.
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;
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; Arguments:
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; C: File handle
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; Return Value:
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; C: Error code
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cop_file_close:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 15: Read File
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;
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; Given an open file handle and a buffer into which to place data, read data
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; from the file into the buffer. Arguments are supplied in a structure with the
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; following format:
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;
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; struct file_read_args {
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; uint16_t file_handle;
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; uint16_t length;
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; far void *dest;
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; };
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;
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; Arguments:
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; A: Bank of argument address
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; Y: Argument address
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; Return Value:
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; A: Error code
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; Y: Number of bytes actually read
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cop_file_read:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 16: Write File
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;
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; Given an open file handle and a buffer from which to source data, write data
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; into the file from the buffer. Arguments are supplied in a structure with the
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; following format:
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;
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; struct file_write_args {
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; uint16_t file_handle;
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; uint16_t length;
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; far void *src;
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; };
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;
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; Arguments:
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; A: Bank of argument address
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; Y: Argument address
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; Return Value:
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; A: Error code
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; Y: Number of bytes actually written
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cop_file_write:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 17: Seek in File
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;
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; Given an open file handle and an offset, reposition the file's index.
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; Arguments are supplied in a structure with the following format:
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;
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; struct file_seek_args {
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; uint16_t file_handle;
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; uint16_t offset;
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; bool relative;
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; };
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;
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; Arguments:
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; A: Bank of argument address
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; Y: Argument address
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; Return Value:
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; A: Error code
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; Y: Current index position relative to file beginning
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cop_file_seek:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 14: Close File
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;
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; Given a file handle, delete the represented file from the filesyste, and close
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; and invalidate the file handle.
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;
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; Arguments:
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; C: File handle
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; Return Value:
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; C: Error code
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cop_file_delete:
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cop_rti
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; -----------------------------------------------------------------------------
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; Function 14: Move File
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;
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; Given an open file handle and a fully qualified path string, move the represented
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; file to the new path. Arguments are passed in a structure with the following
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; format:
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;
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; struct move_file_args {
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; uint16_t file_handle;
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; char *path;
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; };
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;
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; Arguments:
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; A: Bank of argument address
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; Y: Argument address
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; Return Value:
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; A: Error code
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cop_file_move:
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cop_rti
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cop_file_get_attributes:
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cop_rti
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cop_file_set_attributes:
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cop_rti
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cop_file_get_timestamp:
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cop_rti
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cop_file_set_timestamp:
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cop_rti
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cop_get_working_directory:
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cop_rti
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cop_set_working_directory:
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cop_rti
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cop_exec:
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cop_rti
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cop_exit:
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cop_rti
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cop_volume_initialize:
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cop_rti
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cop_volume_format:
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cop_rti
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cop_get_environment_value:
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cop_rti
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cop_set_environment_value:
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cop_rti
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cop_ioctl:
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cop_rti
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