2023-02-02 03:18:08 +01:00
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; serial terminal - spawn sh.fxf on the serial port
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2023-07-25 06:17:56 +02:00
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opton
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2023-02-02 03:18:08 +01:00
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; start an instance of sh.fxf
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2023-03-23 08:37:16 +01:00
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call get_current_disk_id
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mov r1, r0
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mov r0, sh_fxf_name
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mov r2, stream_struct
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mov r3, 0
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mov r4, 0
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mov r5, 0
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mov r6, 0
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call launch_fxf_from_disk
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cmp r0, 0xFFFFFFFF
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ifz call end_current_task
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2023-02-02 03:18:08 +01:00
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mov.8 [shell_task_id], r0
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event_loop:
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movz.8 r0, [shell_task_id]
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call is_task_id_used
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ifz call end_current_task
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call yield_task
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rjmp event_loop
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print_str_to_terminal:
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push r0
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push r1
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print_str_to_terminal_loop:
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mov r1, [r0]
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cmp r1, 0
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ifz jmp print_str_to_terminal_out
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out 0, r1
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inc r0
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jmp print_str_to_terminal_loop
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print_str_to_terminal_out:
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pop r1
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pop r0
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2023-02-05 01:19:09 +01:00
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ret
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2023-02-02 03:18:08 +01:00
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stream_struct:
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data.8 0x00
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data.16 0x00
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data.32 0x00
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data.8 0x01
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data.32 stream_read
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data.32 stream_write
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shell_task_id: data.8 0
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2023-03-23 08:37:16 +01:00
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sh_fxf_name: data.strz "sh.fxf"
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2023-02-02 03:18:08 +01:00
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stream_read:
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in r0, 0
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ret
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stream_write:
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push r0
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movz.8 r0, [r0]
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bts r0, 7
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ifnz jmp stream_write_special
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out 0, r0
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pop r0
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ret
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stream_write_special:
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cmp r0, 0x8a
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ifz out 0, ' '
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pop r0
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ret
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2024-02-04 12:06:11 +01:00
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#include "../../fox32rom/fox32rom.def"
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2023-03-23 08:37:16 +01:00
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#include "../../fox32os.def"
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