mirror of https://github.com/hsoft/collapseos.git
53 lines
742 B
NASM
53 lines
742 B
NASM
.equ JUMP_PRINTSTR 0x03
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.equ JUMP_PRINTHEX 0x06
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.equ JUMP_SDCINITALIZE 0x09
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.equ JUMP_SDCSENDRECV 0x0c
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.equ JUMP_SDCWAITRESP 0x0f
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.equ JUMP_SDCCMD 0x12
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.equ JUMP_SDCCMDR1 0x15
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.equ JUMP_SDCCMDR7 0x18
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.equ JUMP_SDCREAD 0x1b
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.equ JUMP_SDCSETBLKSIZE 0x1e
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.org 0x9000
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call JUMP_SDCINITALIZE
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or a
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jp nz, error
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ld hl, sOk
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call JUMP_PRINTSTR
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call JUMP_SDCSETBLKSIZE
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or a
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jp nz, error
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ld hl, sOk
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call JUMP_PRINTSTR
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; read sector 0
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xor a
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call JUMP_SDCREAD
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or a
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jp nz, error
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push hl
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ld hl, sOk
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call JUMP_PRINTSTR
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pop hl
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; SDC buffer address is in HL
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; YOLO! print it!
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call JUMP_PRINTSTR
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ret
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error:
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call JUMP_PRINTHEX
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ld hl, sErr
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call JUMP_PRINTSTR
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ret
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sOk:
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.db "Ok", 0xa, 0xd, 0
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sErr:
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.db "Err", 0xa, 0xd, 0
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