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Less lazy code.

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Bobbi Webber-Manners 2021-06-04 00:13:13 -04:00
parent dee0ebce3f
commit d4e3bc4109
1 changed files with 22 additions and 26 deletions
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48
apps/setmac/setmac.s
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@ -167,33 +167,29 @@ Main1: cld
; Actually set the MAC address on the Uthernet-II
; TODO: Make this slot independent and not hard-coded
; Hard-coded for slot 5
lda #$80 ; Reset W5100
sta $bfff+$d5 ; Store in MODE register
lda #$03 ; Address autoinc, indirect
sta $bfff+$d5 ; Store in MODE register
lda #$00 ; High byte of MAC reg addr
ldx #$09 ; Low byte
sta $bfff+$d6 ; Set high byte of pointer
stx $bfff+$d7 ; Set low byte
lda #$00 ; First byte of MAC
sta $bfff+$d8 ; Set and autoinc
lda #$08 ; Second byte of MAC
sta $bfff+$d8 ; Set and autoinc
lda #$dc ; Third byte of MAC
sta $bfff+$d8 ; Set and autoinc
lda #$de ; Fourth byte of MAC
sta $bfff+$d8 ; Set and autoinc
lda #$ad ; Fifth byte of MAC
sta $bfff+$d8 ; Set and autoinc
lda #$00 ; Sixth byte of MAC
sta $bfff+$d8 ; Set and autoinc
lda #$00 ; High byte of $001a reg addr
ldx #$1a ; Low byte
sta $c0d5 ; Set high byte of pointer
stx $c0d6 ; Set low byte
lda #$06 ; Magic value: MAC set!
sta $bfff+$d8 ; Set and autoinc
ldy $d0 ; Slot 5 offset
lda #$80 ; Reset W5100
sta $bfff+$d5 ; Store in MODE register
lda #$03 ; Address autoinc, indirect
sta $bfff+$d5 ; Store in MODE register
lda #$00 ; High byte of MAC reg addr
ldx #$09 ; Low byte
sta $bfff+$d6 ; Set high byte of pointer
stx $bfff+$d7 ; Set low byte
ldx #$00
: lda mac,x ; Load byte of MAC
sta $bfff+$d8 ; Set and autoinc
inx
cpx #6
bne :-
lda #$00 ; High byte of $001a reg addr
ldx #$1a ; Low byte
sta $c0d5 ; Set high byte of pointer
stx $c0d6 ; Set low byte
lda #$06 ; Magic value: MAC set!
sta $bfff+$d8 ; Set and autoinc
rts
mac: .byte $00,$08,$0d,$00,$de,$ad
.endproc
; This starts the process of finding & launching next system file
; unfortunately it also uses block reads and can't be run from an AppleShare