Routines
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BE5B: Configure projectile for swing gun
Configure projectile for swing gun left orientation. Used by the routine at BCDD.
BE5B PUSH AF Save AF
BE5C LD A,(IX+$00) Set A093 x-pixel-position for projectile
BE5F SUB $18
BE61 LD ($A093),A
BE64 LD A,$14 Set increment for y-pixel-position
BE66 CALL $B58E Draw projectile
BE69 LD HL,$FFFF Base offset into room graphic data for every frame (left)
BE6C LD (IY+$04),$F8 Set the x-delta for the projectile
BE70 LD A,$05 Set A the y-delta for the projectile
BE72 JP $BE8C Jump to finish projectile configuration
Configure projectile for swing gun left orientation. Used by the routine at BCDD.
BE75 PUSH AF Save AF
BE76 LD A,(IX+$00) Set A093 x-pixel-position for projectile
BE79 SUB $18
BE7B LD ($A093),A
BE7E LD A,$19 Set increment for y-pixel-position
BE80 CALL $B58E Draw projectile
BE83 LD HL,$FFFF Base offset into room graphic data for every frame (left)
BE86 LD (IY+$04),$F8 Set the x-delta for the projectile
BE8A LD A,$08 Set A the y-delta for the projectile
This entry point is used by the routines at BE5B, BE9B and BEB3. Finish projectile configuration
BE8C LD (IY+$07),L Save offset into projectile configuration
BE8F LD (IY+$08),H
BE92 LD (IY+$05),$00 Reset y-delta for the projectile
BE96 CALL $B4EA Computes offset into the room graphic data based on projectile y-delta
BE99 POP AF Restore AF
BE9A RET
Configure projectile for swing gun right bottom orientation. Used by the routine at BCDD.
BE9B PUSH AF Save AF
BE9C LD A,(IX+$00) Set A093 x-pixel-position for projectile
BE9F LD ($A093),A
BEA2 LD A,$19 Set increment for y-pixel-position
BEA4 CALL $B58E Draw projectile
BEA7 LD HL,$0001 Base offset into room graphic data for every frame (right)
BEAA LD (IY+$04),$08 Set the x-delta for the projectile
BEAE LD A,$08 Set A the y-delta for the projectile
BEB0 JP $BE8C Jump to finish projectile configuration
Configure projectile for swing gun right orientation. Used by the routine at BCDD.
BEB3 PUSH AF Save AF
BEB4 LD A,(IX+$00) Set A093 x-pixel-position for projectile
BEB7 LD ($A093),A
BEBA LD A,$14 Set increment for y-pixel-position
BEBC CALL $B58E Draw projectile
BEBF LD HL,$0001 Base Offset into room graphic data for every frame (right)
BEC2 LD (IY+$04),$08 Set the x-delta for the projectile
BEC6 LD A,$05 Set A the y-delta for the projectile
BEC8 JP $BE8C Jump to finish projectile configuration
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