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Add some basic fat32 code

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Byron Lathi
2023-12-03 23:27:45 -08:00
parent 184c58b962
commit 5c74d161d4
11 changed files with 326 additions and 7 deletions
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19
sw/kernel/devices/io.inc65
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@@ -10,4 +10,21 @@ SPI_BAUD = $efd8
SPI_INPUT = $efd9
SPI_OUTPUT = $efda
SPI_CTRL = $efdb
SPI_STATUS = SPI_CTRL
SPI_STATUS = SPI_CTRL
MULTIPLIER_BASE = $eff0
MULTIPLIER_AL = MULTIPLIER_BASE + 0
MULTIPLIER_AH = MULTIPLIER_BASE + 1
MULTIPLIER_BL = MULTIPLIER_BASE + 2
MULTIPLIER_BH = MULTIPLIER_BASE + 3
MULTIPLIER_OLL = MULTIPLIER_BASE + 4
MULTIPLIER_OLH = MULTIPLIER_BASE + 5
MULTIPLIER_OHL = MULTIPLIER_BASE + 6
MULTIPLIER_OHH = MULTIPLIER_BASE + 7
GOLDEN_OUTPUT_0 = $03
GOLDEN_OUTPUT_1 = $0a
GOLDEN_OUTPUT_2 = $08
GOLDEN_OUTPUT_3 = $00