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add pico_multi_booter code

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cuu
2025-05-19 14:50:19 +08:00
parent f0058240cd
commit beb05b7ca7
134 changed files with 164897 additions and 1 deletions
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23
Code/pico_multi_booter/picomite/PicoMiteI2S.pio Normal file
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; ============================================================================
; QVGA PIO (16 instructions)
; ============================================================================
; Control word (right shifted):
; - bit 0..26 (27 bits) loop counter N
; - bit 27..31 (5 bits) jump address
.program i2s
.side_set 2 ; HSYNC and VSYNC output (2 bits)
.wrap_target
Set x,30 side 0
Pull noblock side 1
loop1:
Out pins,1 side 0
Jmp x--,loop1 side 1
Set x,30 side 2
Pull noblock side 3
loop2:
Out pins,1 side 2
Jmp x--,loop2 side 3
.wrap ; wrap jump to .wrap_target