We just released a Feb. 5 '89 prototype of DuckTales for the NES!
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If you'd like to support our preservation efforts (and this wasn't cheap), please consider donating or supporting us on Patreon. Thank you!
Eskimo Eddie (ZX Spectrum)
Revision as of 01:15, 28 June 2016 by CounterDiving (talk | contribs) (Created page with "{{bob |bobscreen=Eskimo Eddie (ZX Spectrum)-title.png |title=Eskimo Eddie |developer=Ocean |publisher=Ocean |europe={{date|1984}} |system=ZX Spectrum |source=y }} ==Source Co...")
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Developer:
Ocean
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-title.png)
Source Code Fragments
A decent amount of the code is left in the game. The code seen below can be seen with a hex editor at the addresses below in the .tap dump of the game.
5252:
CALL BO1
LD A,D
ADD 8
LD D,A
DJNZ SIDE1
LD B,20
LD D,24
SIDE2 LD E,31
LD A,5
LD C,64
CALL BO1
LD A,D
ADD 8
LD D,A
DJNZ SIDE2
RET
BO1 PUSH BC
PUSH DE
CALL PRINT
POP DE
POP BC
RET
SCREN LD B,(IX+0)
INC IX
S1 LD E,(IX+0)
LD D,(IX+1)
LD A,71
LD C,17
PUSH BC
CALL 37000
POP BC
INC IX
INC IX
DJNZ S1
RET
DELAY LD BC,3000
WAIT DEC BC
LD A,B
OR C
JR NZ,WAIT
RET
CHEK1 LD A,(P.E)
CP 29
JP Z,ELEC1
CALL FINDB
LD A,(P.E)
ADD 2
LD C,A
CALL ATTR
CP 71
JP Z,PUSH1
RET
CHEK2 LD A,(P.E)
CP 1
JP Z,ELEC2
CALL FINDB
LD A,(P.E)
SUB 1
LD C,A
CALL ATTR
CP 71
RET NZ
JP PUSH2
CHEK3 LD A,(PD)
CP 168
JP Z,ELEC4
CALL FINDB
LD A,B
ADD 2
LD B,A
LD A,(P.E)
LD C,A
CALL ATTR
CP 71
RET NZ
JP PUSH3
CHEK4 LD A,(PD)
CP 24
JP Z,ELEC3
CALL FINDB
LD A,B
SUB 1
LD B,A
LD A,(P.E)
LD C,A
CALL ATTR
CP 71
RET NZ
JP PUSH4
FINDB LD A,(PD)
LD B,0
T1 SUB 8
RET C
INC B
JR T1
ATTR LD HL,57DFH
LD DE,32
INC B
AT1 ADD HL,DE
DJNZ AT1
LD B,C
INC B
AT2 INC HL
DJNZ AT2
LD A,(HL)
RET
ELEC1 LD A,07FH
IN A,(254)
AND 2
JP NZ,NMOVE
LD B,20
LD D,24
EL1 LD E,31
LD A,5
LD C,84
CALL BO1
LD A,D
5B4B:
MOND1 CALL EX1
LD A,(MONE)
CP 1
CALL Z,ELE1
LD HL,MOND1
CALL EX2
LD DE,MOND2
CALL EX1
LD A,(MONE)
CP 1
CALL Z,ELE1
LD HL,MOND2
CALL EX2
LD DE,MOND3
CALL EX1
LD A,(MONE)
CP 1
CALL Z,ELE1
LD HL,MOND3
CALL EX2
LD DE,MOND4
CALL EX1
LD A,(MONE)
CP 1
CALL Z,ELE1
LD HL,MOND4
CALL EX2
RET
ELEC3 LD A,07FH
IN A,(254)
AND 2
JP NZ,NMOVE
LD B,32
LD E,0
EL3 LD A,5
LD C,85
LD D,16
CALL BO1
INC E
DJNZ EL3
CALL MOEL3
CALL BORDR
JP NMOVE
MOEL3 LD DE,MOND1
CALL EX1
LD A,(MOND)
CP 24
CALL Z,ELE1
LD HL,MOND1
CALL EX2
LD DE,MOND2
CALL EX1
LD A,(MOND)
CP 24
CALL Z,ELE1
LD HL,MOND2
CALL EX2
LD DE,MOND3
CALL EX1
LD A,(MOND)
CP 24
CALL Z,ELE1
LD HL,MOND3
CALL EX2
LD DE,MOND4
CALL EX1
LD A,(MOND)
CP 24
CALL Z,ELE1
LD HL,MOND4
CALL EX2
RET
ELEC4 LD A,07FH
IN A,(254)
AND 2
JR NZ,NMOVE
LD B,32
LD E,0
EL4 LD A,5
LD C,85
LD D,184
CALL BO1
INC E
DJNZ EL4
CALL MOEL4
CALL BORDR
613D:
LD DE,MOND4
CALL EX1
LD A,(MOND)
CP 168
CALL Z,ELE1
LD HL,MOND4
CALL EX2
RET
NMOVE LD A,1
LD (MOVE#),A
RET
PUSH1 LD A,07FH
IN A,(2
