Flash Point (MSX, Sega Master System)

Flash Point
Developer: Zemina Publisher: Zemina Platforms: MSX, Unlicensed Sega Master System Released in KR: January 1991 This game has uncompiled source code.

An unlicensed port of Sega's Flash Point.

Uncompiled Source Code

Many chunks of uncompiled source code can be found in both of the game's versions. Offsets are listed as appropriate.

0x19E4 / 0x5B00 (MSX)
0x19BD / 0x5B00 (SMS)
Red - Exclusive to the earlier chunk in the SMS version only
Orange - Exclusive to the earlier chunk data

 OR A
 RET NZ
 LD A,(IX+XSTEP)
 CP 1
 JR NZ,SALLXX
 LD A,(IX+STAGE)
 ADD A,1
 DAA
 LD (IX+STAGE),
 LD L,(IX+ADDR)
 INC L
 INC L
 LD (IX+ADDR),L
 LD A,(IX+ROUNO)
 ADD A,10H
 LD (IX+ROUNO),A
 CP 50H
 JR C,SALLX1
 AND 0FH
 LD (IX+ROUNO),A
 LD A,(IX+STAGE)
 SUB 5
 DAA
 LD (IX+STAGE),A
 LD A,(IX+ADDR)
 SUB 10
 LD (IX+ADDR),A
SALLX1:LD A,9AH
 CALL PUTBOX
 LD L,(IX+ADDR)
 LD H,(IX+ADDR+1)
 CALL PUTSML
 CALL STGNUM
 JR SALLY
SALLXX: CP 0FFH
 JR NZ,SALLY
 LD A,(IX+STAGE)
 SUB 1
 DAA
 LD (IX+STAGE),A
 LD L,(IX+ADDR)
 DEC L
 DEC L
 LD (IX+ADDR),L
 LD A,(IX+ROUNO)
 SUB 10H
 LD (IX+ROUNO),A
;CP 50H
 JR NC,SALLX2
 AND 0FH
 OR 40H
 LD (IX+ROUNO),A
 LD A,(IX+STAGE)
 ADD A,5
 DAA
 LD (IX+STAGE),A
 LD A,(IX+ADDR)
 ADD A,10
 LD (IX+ADDR),A
SALLX2:LD A,9AH
 CALL PUTBOX
 LD L,(IX+ADDR)
 LD H,(IX+ADDR+1)
 CALL PUTSML
 CALL STGNUM
SALLY:LD A,(IX+YSTEP)
 CP 1
 JR NZ,SALLYY
 LD L,(IX+ADDR)
 LD H,(IX+ADDR+1)
 LD DE,60H
 ADD HL,DE
 LD (IX+ADDR),L
 LD (IX+ADDR+1),H
 LD A,(IX+STAGE)
 ADD A,5
 DAA
 CP 91H
 JR C,SALLY1
 SUB 90H
 DAA
SALLY1:LD (IX+STAGE),A
 LD A,(IX+ROUNO)
 INC A
 LD (IX+ROUNO),A
 AND 0FH
 CP 03
 JR NZ,SALLY2
 LD L,(IX+ADDR)
 LD H,(IX+ADDR+1)
 LD DE,60H
 OR A
 SBC HL,DE
 LD (IX+ADDR),L
 LD (IX+ADDR+1),H
 LD A,(IX+ROUNO)
 DEC A
 LD (IX+ROUNO),A
 LD A,9CH
 CALL PUTBOX
 CALL WAIT

0x21D9 / 0x61D9

PA
 LD B,22
 STGCL1:PUSH B:

0x23B3 / 0x63B3 (MSX)
0x63B3 (SMS)

 LD (ISDEMO),A
STNQUT:CALL CLRSCR
 LD HL,VIVRAM+2C0H
 LD

0x6EC4

WRS
  LD IX,0FA60H
; LD HL,(0FACCH)
; LD (IX+1),L
; LD (IX+2),H
  CALL WRS
  LD HL,NULSTR
  LD (0F932H),HL
  LD HL,FMDAT1
  LD (0F934H),HL
  LD HL,FMDAT2
  LD (0F936H),HL
  LD HL,FMDAT3
  LD (0F938H),HL
  LD HL,FMDAT4

0x79A0

LD A,(0FA80H)
LD E,A
LD D,0
LD HL,SUNYI
ADD HL,DE
LD A,(HL)
EX AF,AF'
LD E,A
LD HL,SUNYI
ADD HL,DE
EX AF,AF'
CP (HL)
JR C,EXT
EX AF,AF'

  PUSH AF
  XOR A
  LD (0FA84H),A ;LEN
  POP AF
;
LD (0FA80H),A
  DE