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recipe/rc2014/sdcard: Make sdinit program output readable text

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Makes for a more straightforward test.
This commit is contained in:
Virgil Dupras 2019-05-07 16:20:28 -04:00
parent e80888555f
commit c9f164a510
1 changed files with 38 additions and 2 deletions
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40
recipes/rc2014/sdcard/sdinit.asm
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@ -3,16 +3,52 @@
call JUMP_SDCWAKEUP
; We expect a 0x01 R1 response
ld hl, sCmd0
call JUMP_PRINTSTR
ld a, 0b01000000 ; CMD0
ld hl, 0
ld de, 0
ld c, 0x95
call JUMP_SDCCMDR1
call JUMP_PRINTHEX
cp 0x01
jr nz, .error
ld hl, sOk
call JUMP_PRINTSTR
; We expect a 0x01 R1 response followed by 0x0001aa R7 response
ld hl, sCmd8
call JUMP_PRINTSTR
ld a, 0b01001000 ; CMD8
ld hl, 0
ld de, 0x01aa
ld c, 0x87
call JUMP_SDCCMDR7
call JUMP_PRINTHEX
ld a, h
cp 0
jr nz, .error
ld a, l
cp 0
jr nz, .error
ld a, d
cp 0x01
jr nz, .error
ld a, e
cp 0xaa
jr nz, .error
ld hl, sOk
call JUMP_PRINTSTR
ret
.error:
ld hl, sErr
call JUMP_PRINTSTR
ret
sCmd0:
.db "Sending CMD0", 0xa, 0xd, 0
sCmd8:
.db "Sending CMD8", 0xa, 0xd, 0
sOk:
.db "Ok", 0xa, 0xd, 0
sErr:
.db "Err", 0xa, 0xd, 0