pico-extras/src/rp2_common/pico_scanvideo_dbi/control.pio

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;
; Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
;
; SPDX-License-Identifier: BSD-3-Clause
;
.program video_dbi_control
.define out_delay 1
.define clk_delay 1
.side_set 1 ; used for WR strobe
.extern data_run_out
out pins, 16 [out_delay] set 0
jmp x-- data_run_out [out_delay] set 1
.extern entry_point
.wrap_target
.extern new_state_wait
out exec, 16 set 1
out x, 11 set 1
out pc, 5 set 1
.extern clock_run
nop [clk_delay] set 0
jmp x-- clock_run [clk_delay] set 1
.wrap