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fakesd.s
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fakesd.s
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; ***************************************************************************
; ***************************************************************************
;
; fakesd.s
;
; Various sectors from an existing SDcard that can be used to simulate a
; real FAT32 volume when debugging TEOS in mednafen.
;
; Copyright John Brandwood 2019.
;
; Distributed under the Boost Software License, Version 1.0.
; (See accompanying file LICENSE_1_0.txt or copy at
; http://www.boost.org/LICENSE_1_0.txt)
;
; ***************************************************************************
; ***************************************************************************
; ***************************************************************************
; ***************************************************************************
;
;
; $0a3a fat1_begins sector
;
; $27f0 data_begins sector
;
; 8 sectors per cluster
;
; 0c 00 00 00 "SuperGrafx" cluster -> sector $2850 -> offset $50a000 2 sectors
; c2 15 00 00 "USA" directory cluster -> sector $d600 -> offset $1ac0000 2 sectors
; 7b 3c 00 00 "JAPAN" directory cluster -> sector $20bc8 -> offset $4179000 2 sectors
; 05 3e 00 00 "A-C" directory cluster -> sector $21818 -> offset $4303000 1 cluster
;
; byte offset $014
; sect offset $07c
;
; -> FAT sector address $ab6
;
; -> next cluster $4a86 -> sector $27c20 -> offset $4f84000
;
if REALHW
else
.bank 7
.org $4000
fake_bram1: incbin "fake/save0.bin"
fake_bram2: incbin "fake/save2.bin"
;
;
;
fake_sector_l: db $00
db $00
db $B6
db $B7
db $00
db $00
db $50
db $51
db $C8
db $C9
db $18
db $19
db $1A
db $1B
db $1C
db $1D
db $1E
db $1F
db $20
db $21
db $22
db $FF
fake_sector_m: db $00
db $08
db $0A
db $0A
db $20
db $28
db $28
db $28
db $0B
db $0B
db $18
db $18
db $18
db $18
db $18
db $18
db $18
db $18
db $7C
db $7C
db $7C
db $FF
fake_sector_h: db $00
db $00
db $00
db $00
db $00
db $00
db $00
db $00
db $02
db $02
db $02
db $02
db $02
db $02
db $02
db $02
db $02
db $02
db $02
db $02
db $02
db $FF
fake_sector_tii:dw fake_000000
dw fake_000800
dw fake_000AB6
dw fake_000AB7
dw fake_002000
dw fake_002800
dw fake_002850
dw fake_002851
dw fake_020BC8
dw fake_020BC9
dw fake_021818
dw fake_021819
dw fake_02181A
dw fake_02181B
dw fake_02181C
dw fake_02181D
dw fake_02181E
dw fake_02181F
dw fake_027C20
dw fake_027C21
dw fake_027C22
fake_000000: tii sector000000 + $0000,f32_cache_buf,512
rts
fake_000800: tii sector000800 + $0000,f32_cache_buf,512
rts
fake_000AB6: tii sector000AB6 + $0000,f32_cache_buf,512
rts
fake_000AB7: tii sector000AB6 + $0200,f32_cache_buf,512
rts
fake_002000: tii sector002000 + $0000,f32_cache_buf,512
rts
fake_002800: tii sector002800 + $0000,f32_cache_buf,512
rts
fake_002850: tii sector002850 + $0000,f32_cache_buf,512
rts
fake_002851: tii sector002850 + $0200,f32_cache_buf,512
rts
fake_020BC8: tii sector020BC8 + $0000,f32_cache_buf,512
rts
fake_020BC9: tii sector020BC8 + $0200,f32_cache_buf,512
rts
fake_021818: tii sector021818 + $0000,f32_cache_buf,512
rts
fake_021819: tii sector021818 + $0200,f32_cache_buf,512
rts
fake_02181A: tii sector021818 + $0400,f32_cache_buf,512
rts
fake_02181B: tii sector021818 + $0600,f32_cache_buf,512
rts
fake_02181C: tii sector021818 + $0800,f32_cache_buf,512
rts
fake_02181D: tii sector021818 + $0A00,f32_cache_buf,512
rts
fake_02181E: tii sector021818 + $0C00,f32_cache_buf,512
rts
fake_02181F: tii sector021818 + $0E00,f32_cache_buf,512
rts
fake_027C20: tii sector027C20 + $0000,f32_cache_buf,512
rts
fake_027C21: tii sector027C20 + $0200,f32_cache_buf,512
rts
fake_027C22: tii sector027C20 + $0400,f32_cache_buf,512
rts
;
;
;
sector000000: incbin "fake/sector00000000.bin" ; (1) MBR
sector000800: incbin "fake/sector00000800.bin" ; (1) FAT32 BPB
sector000AB6: incbin "fake/sector00000AB6.bin" ; (2) FAT for A-C directory
;sector000000: incbin "fake/t32-s000000.bin" ; (1) MBR
sector002000: incbin "fake/t32-s002000.bin" ; (1) MBR
.bank 8
.org $6000
sector002800: incbin "fake/sector00002800.bin" ; (1) Root directory
sector002850: incbin "fake/sector00002850.bin" ; (2) SuperGrafx directory
sector020BC8: incbin "fake/sector00020BC8.bin" ; (2) Japan directory
sector021818: incbin "fake/sector00021818.bin" ; (8) A-C directory 1st
sector027C20: incbin "fake/sector00027C20.bin" ; (3) A-C directory 2nd
endif