BIOSUpdate_forward_queue_to_channel_map

;BS-X BIOS
;forward_queue_to_channel_map update from bsx16.srm (BS-X SRAMS Dumps 6-26-01)
;Disassembled by LuigiBlood

SEP #$20
LDA $7EA1B8
BNE NotZero
INC A
STA $7EA1B8
JML $80E0E5 ;Original full forward_queue_to_channel_map BIOS code
NotZero:
REP #$20
LDA $1429
AND #$00FF
ASL A
TAX
SEP #$20
JSR (Jumps,x)
RTL

Jumps:
dw $50D1, $50DA, $51BF

;$50D1
INC $1429
STZ $1413
STZ $1412
;$50DA
LDA $143C
AND #$1C
CMP #$10
BEQ PacketStartFlag
JMP Return1
PacketStartFlag:
LDY $1435
STY $1433
STZ $1437
LDY #$FFFF
STY $4B
INY
SearchFirstPacket:
LDA $9A20,y
BIT #$10
BNE FirstPacketFound
INY
CPY $143D
BNE SearchFirstPacket
JMP Return1
FirstPacketFound:
STY $47
LDA $9A20,y
BIT #$80
BNE .arLabel059
INY
CPY $143D
BEQ .arLabel05B
SearchLastPacket:
LDA $9A20,y
BIT #$90
BNE .arLabel052
INY
CPY $143D
BNE SearchLastPacket
BRA .arLabel05B
.arLabel052:
BIT #$10
BEQ .arLabel059
JMP $521C
.arLabel059:
STY $4B
.arLabel05B:
JSR $5252
LDY $47
INY
INY
LDA $9A34,y
STA $1411
INY
LDA $9A34,y
STA $1410
INY
LDA $9A34,y
STA $140F
INY
STY $49
LDX #$9BEC
STX $51
LDA #$7E
STA $53
LDX $4B
BPL $2F
LDX $143D
STX $47
JSR $5252
LDX #$0000
LDA $9A34,y
PHY
TXY
STA [$51],y
PLY
INY
INX
CPY $47
BNE $F2
TXY
JSR $5243
REP #$20
LDA $47
SEC
SBC $49
STA $47
JSR $522E
SEP #$20
INC $1429
Return1:
RTS
STX $47
JSR $5252
LDA $1411
BNE $20
LDX $140F
BEQ $17
STX $47
LDX #$0000
LDA $9A34,y
PHY
TXY
STA [$51],y
PLY
INY
INX
CPX $47
BNE $F2
TXY
JSR $5243
STZ $1427
RTS
LDA #$01
STA $1429
LDY $1435
STY $1433
STZ $1437
RTS

;$51BF
LDX $143D
STX $47
JSR $5252
LDA $143C
BIT #$1C
BNE $4E
BIT #$80
BNE $19
REP #$20
LDY #$0000
LDA $9A34,y
STA [$51],y
INY
INY
CPY $47
BNE $F5
SEP #$20
JSR $522E
JSR $5243
RTS
LDA $1411
BMI $19
BNE $1B
LDY $140F
BEQ $12
STY $47
LDY #$0000
LDA $9A34,y
STA [$51],y
INY
CPY $47
BNE $F6
JSR $5243
STZ $1427
RTS
LDA #$01
STA $1429
LDY $1435
STY $1433
STZ $1437
RTS
STZ $1429
LDY $1435
STY $1433
STZ $1437
LDA #$8D05
CMP #$6013
PHP
REP #$20
LDA $140F
SEC
SBC $47
STA $140F
SEP #$20
BCS $03
DEC $1411
PLP
RTS
REP #$20
TYA
CLC
ADC $51
STA $51
SEP #$20
BCC $02
INC $53
RTS
REP #$20
LDA $47
ASL A
ASL A
ADC $47
ASL A
ADC $47
ASL A
STA $47
SEP #$20
RTS