added libs for memchips

This commit is contained in:
Jakub Husak
2023-01-10 13:53:32 +01:00
parent 10b63eee15
commit dd20cc4592
4 changed files with 128 additions and 0 deletions
+23
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@@ -0,0 +1,23 @@
TRIGGER_FORMAT_28SF equ $30
C_FORMAT_28SF equ $30
C_BYTE_PROG_28SF equ $10
flashoppreamble
pha
lda #C_BYTE_PROG_28SF
scc
lda #C_FORMAT_28SF ; only if c set
flashoppreamble_acc ; 28SF0x0
sta $d500,x ; can be any address
sta $a000; command: FORMAT/ID_MODE/BYTE_PROG, any address
rts
flash_unlockchip
sta $D500,x
; read from 1823H, 1820H, 1822H, 0418H, 041BH, 0419H, 041AH
lda $B823
lda $B820
lda $B822
lda $A418
lda $A41B
lda $A419
lda $A41A
rts
+36
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TRIGGER_FORMAT_29F equ $10
C_FORMAT_29F equ $80
C_BYTE_PROG_29F equ $a0
flashoppreamble_29F
pha
lda #C_BYTE_PROG_29F
scc
lda #C_FORMAT_29F ; only if c set
sta command_ZP
pla
.byte {bit.w}
flashoppreamble_acc_29F ; 39sf0x0, 29F040
sta command_ZP
txa
pha
; when write byte x must be set to either 0 or 40 temporarily
and #$40
tax
sta $d502,x
mva #$aa $b555 ; $5555<$aa
sta $d501,x
mva #$55 $aaaa ; $2aaa<$55
; $5555<$80
sta $d502,x
mva command_ZPff $b555; will become command: FORMAT/ID_MODE/BYTE_PROG
cmp #C_FORMAT_29F
bne @+ ; if not FORMAT, procedure finishes
; FORMAT part, more to write
sta $d502,x
mva #$aa $b555 ; $5555<$aa
sta $d501,x
mva #$55 $aaaa ; $2aaa<$55
@ pla
tax
flash_unlockchip_29F
rts
+33
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TRIGGER_FORMAT_29SF equ $10
C_FORMAT_29SF equ $80
C_BYTE_PROG_29SF equ $a0
flashoppreamble_29SF
pha
lda #C_BYTE_PROG_29SF
scc
lda #C_FORMAT_29SF ; only if c set
sta command_ZP
pla
.byte {bit.w}
flashoppreamble_acc_29SF ; 29sf040
sta command_ZP
txa
pha
; when write byte x must be set to either 0 or 40 temporarily
and #$40
tax
sta $d500,x
mva #$aa $a555 ; $555<$aa
mva #$55 $a2aa ; $2aa<$55
; $555<command
mva command_ZPff $a555; will become command: FORMAT/ID_MODE/BYTE_PROG
cmp #C_FORMAT_29SF
bne @+ ; if not FORMAT, procedure finishes
; FORMAT part, more to write
mva #$aa $a555 ; $555<$aa
mva #$55 $a2aa ; $2aa<$55
; PREPARE FOR SECTOR TO ERASE
@ pla
tax
flash_unlockchip_29SF
rts
+36
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TRIGGER_FORMAT_39SF equ $10
C_FORMAT_39SF equ $80
C_BYTE_PROG_39SF equ $a0
flashoppreamble_39SF
pha
lda #C_BYTE_PROG_39SF
scc
lda #C_FORMAT_39SF ; only if c set
sta command_ZP
pla
.byte {bit.w}
flashoppreamble_acc_39SF ; 39sf0x0, 29F040
sta command_ZP
txa
pha
; when write byte x must be set to either 0 or 40 temporarily
and #$40
tax
sta $d502,x
mva #$aa $b555 ; $5555<$aa
sta $d501,x
mva #$55 $aaaa ; $2aaa<$55
; $5555<$80
sta $d502,x
mva command_ZP $b555; will become command: FORMAT/ID_MODE/BYTE_PROG
cmp #C_FORMAT_39SF
bne @+ ; if not FORMAT, procedure finishes
; FORMAT part, more to write
sta $d502,x
mva #$aa $b555 ; $5555<$aa
sta $d501,x
mva #$55 $aaaa ; $2aaa<$55
@ pla
tax
flash_unlockchip_39SF
rts