Galaga (FM-7)

Galaga
Developer: Dempa Publisher: Dempa Platform: FM-7 Released in JP: July 1985 This game has uncompiled source code. This game has a hidden developer message. This game has hidden developer credits.

Dempa's cool party trick of porting the arcade hits of the day to impressively underpowered Japanese microcomputers continues onto Namco's evolution of the Invaders.

Developer Texts

Loaded at various parts in RAM are bits of source code as well as a message from the developer.

$9246

1:LDD ,X++
 CMPA #$FF
 BEQ BG03
 CMPA #$80
 BEQ BG02
 JSR SOUND
 BRA BG01
BG02:STB <BGMC
 STX <BGMX
 RTS
BG03:CLR <BGMX
 CLR <BGMX+1
 RTS
BG04:DEC <BGMC
BG05:RTS
;
;
;
;
CHECK2:EQU *
 LDA <RSTAL
 CMPA #4
 BGT CC28
 CLRA
 LDX #ALA1F
CC21:ADDA ,X
 LEAX 16,X
 CMPX #ALA1F+64
 BNE CC21
 LDX #ALB1F
CC22:ADDA ,X
 LEAX 13,X
 CMPX #ALB1F+208
 BNE CC22
 LDX #ALC1F
CC23:ADDA ,X
 LEAX 13,X
 CMPX #ALC1F+260
 BNE CC23
 LDX #ALE1F
CC24:ADDA ,X
 LEAX 21,X
 CMPX #ALE1F+126
 BNE CC24
 LDX #ALF1F
CC25:ADDA ,X
 LEAX 17,X
 CMPX #ALF1F+238
 BNE CC25
 LDX #ALG1F
CC26:ADDA ,X
 LEAX 17,X
 CMPX #ALG1F+238
 BNE CC26
 LDX #ALH1F
CC27:ADDA ,X
 LEAX 18,X
 CMPX #ALH1F+54
 BNE CC27
 TSTA
 RTS
CC28:LDA #1
 RTS
;
;
;
;
MAIN:EQU *
;   **********
;   JSR PRTCT
;   **********
 JSR INIT1
MA01:JSR DEMO
 JSR INIT2
MA02:JSR INIT3
MA03:JSR INIT5
MA04:JSR MASUB1
 LDA <CHALF
 LBNE MA30
 JSR MSCHCK
 LDA <DIE
 BNE 3
 JSR CHECK
 LDA <ENTC
 CMPA #7
 BEQ MA06
 JSR MOVEC
 LDA <ENTC
 CMPA #6
 BEQ MA05
 LDX #MADT1-2
 LDA <ENTPT
 ASLA
 JSR [A,X]
 JSR MOVEN
 JSR FRMIS
 JSR MOVALM
 BRA MA10
MA05:LDA $1F93
 CMPA #14
 BNE MA10
 INC <ENTC
 CLR <ATKN
 BRA MA10
MA06:LDA <WAIT
 BEQ MA07
 DEC <WAIT
 BRA MA08
MA07:JSR CHAT3
 JSR CHAT1
 JSR CHAT2
MA08:JSR ATCK3
 JSR ATCK2
 JSR ATCK1
 JSR TRKT
 JSR APPBAL
 JSR ATCKB
 JSR MOVCB
 LDA <TRKC
 BMI 3
 JSR FRMIS
 JSR MOVALM
;
MA10:JSR MSCHCK
 LDA <DIE
 BNE 3
 JSR CHECK
 JSR MOVMIS
 JSR MSCHCK
 JSR FCMES
 LDA <TRKC
 BPL MA11
 JSR TRKCP
 LDA <TRKC
 LBNE MA04
 DEC <

$9A00

 MA20
 JSR INIT4
 LBRA MA03
;
MA20:JSR OVER
 LBRA MA01
;
MA30:LDA <CHFF
 BNE MA31
 JSR MSCHK2
 JSR CHALST
 JSR CHALMV
 JSR MSCHK2
 JSR MOVMIS
 JSR MSCHK2
 JSR MOVMY
 JSR FIRE
 LBRA MA04
MA31:CMPA #1
 BNE MA32
 JSR CHADTS
 LBRA MA04
MA32:JSR CHALMS
 JSR CHALM2
 LDD <CHLW
 LBNE MA04
 LDA #100
MA33:PSHS A
 JSR INTSB1
 JSR MOVMY
 PULS A
 DECA
 BNE MA33
 JSR CHLMC
 LBRA MA02
;
;
MADT1:EQU *
 FDB $3780,$38FE,$39BF
;
;
;
;
;
END:EQU *
;
;
;
;
ALCT:EQU $1D00
ALCCT:EQU $1D01
TTTT:EQ

$9D96

QU $1D5B
REDD:EQU $1D5C
ENTPT:EQU $1D5D
ROUND:EQU $1D5E
CHALF:EQU $1D5F
ATKMN:EQU $1D60
ESF1:EQU $1D80
ESF2:EQU $1D81
ESF3:EQU $1D82
ESF4:EQU $1D83
ESF5:EQU $1D84
ESF11:EQU $1D8A
ESF12:EQU $1D8B
ESF13:EQU $1D8C
ESF14:EQU $1D8D
ALCTT:EQU $1DA0
CCA:EQU $1DC6
MYBF:EQU $1DD0
MYBX:EQU $1DD1
ESXA:EQU $1DD2
ESCA:EQU $1DD4
ESXB:EQU $1DD5
ESCB:EQU $1DD7
ESXC:EQU $1DD8
ESCC:EQU $1DDA
BGMX:EQU $1DDB
BGMC:EQU $1DDD
II:EQU $1DC3
I0:EQU $1DC4
ENT1:EQU $1DEA
;
;
ALA1F:EQU $1E00
ALB1F:EQU $1E40
ALC1F:EQU $1F10
ALE1F:EQU $2020
ALF1F:EQU $20A0
ALG1F:EQU $2190
ALH1F:EQU $2280
MS1X:EQU $22C0
;
;
CH3216:EQU $2400
CH168:EQU $2455
TI

$68A6

Lovely Mhoohm ♥♥♥   Momo,Nina,Lum ♥♥♥  GALAGA     by Toshihiko Kurebayashi.....