collapseos/recipes/rc2014/sdcard/glue.asm

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; classic RC2014 setup (8K ROM + 32K RAM) and a stock Serial I/O module
; The RAM module is selected on A15, so it has the range 0x8000-0xffff
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.equ RAMSTART 0x8000
.equ RAMEND 0xffff
.equ ACIA_CTL 0x80 ; Control and status. RS off.
.equ ACIA_IO 0x81 ; Transmit. RS on.
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jp init
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; *** JUMP TABLE ***
; Why not use this unused space between 0x03 and 0x38 for a jump table?
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jp printstr
jp printHex
jp sdcInitialize
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jp sdcSendRecv
jp sdcWaitResp
jp sdcCmd
jp sdcCmdR1
jp sdcCmdR7
jp sdcReadBlk
jp sdcSetBlkSize
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; interrupt hook
.fill 0x38-$
jp aciaInt
#include "core.asm"
#include "parse.asm"
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.equ ACIA_RAMSTART RAMSTART
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#include "acia.asm"
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.equ BLOCKDEV_RAMSTART ACIA_RAMEND
.equ BLOCKDEV_COUNT 2
#include "blockdev.asm"
; List of devices
.dw aciaGetC, aciaPutC, 0, 0
.dw sdcGetC, 0, 0, 0
#include "blockdev_cmds.asm"
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.equ STDIO_RAMSTART BLOCKDEV_RAMEND
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#include "stdio.asm"
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.equ SHELL_RAMSTART STDIO_RAMEND
.equ SHELL_EXTRA_CMD_COUNT 3
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#include "shell.asm"
.dw sdcInitializeCmd, blkBselCmd, blkSeekCmd
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.equ SDC_RAMSTART SHELL_RAMEND
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.equ SDC_PORT_CSHIGH 6
.equ SDC_PORT_CSLOW 5
.equ SDC_PORT_SPI 4
#include "sdc.asm"
init:
di
; setup stack
ld hl, RAMEND
ld sp, hl
im 1
call aciaInit
xor a
ld de, BLOCKDEV_GETC
call blkSel
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call stdioInit
call shellInit
ei
jp shellLoop