Routines
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26070: Generate Random Number
Used by the routines at GameLoop and ActionKill.
Return a number derived from the frame counter, used when an event may or may not happen.
Output
A A random number derived from *FRAMES
GenerateRandomNumber 26070 PUSH BC Take the frame counter as a countdown, limited by the value passed in.
26071 LD C,A
26072 LD A,(23672)
26075 LD B,A
26076 LD A,C
GenerateRandomNumber_Loop1 26077 DEC A Wrap back to that limit when the countdown passes zero.
26078 JR NZ,GenerateRandomNumber_Step1
26080 LD A,C
GenerateRandomNumber_Step1 26081 DJNZ GenerateRandomNumber_Loop1 Repeat for every frame that has passed.
26083 DEC A Step the result back one more.
26084 POP BC Restore the registers the caller needs from the stack.
26085 RET Return.
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