Routines
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627D: Collect one byte from a command list
Used by the routines at 7CD0, 7EF1, F073 and F487, and also by the unused routines at 7C95 and 7CA1. Collects a byte from a character's current command list and returns it in A.
Input
H Character number (0xB7-0xD6)
627D PUSH HL Save the character number
627E LD L,$19 Bytes 0x19 and 0x1A of the character's buffer hold the address of the point reached in the command list
6280 LD A,(HL) Pick up the LSB of this address
6281 INC (HL) Increment the LSB
6282 INC HL L=0x1A
6283 JR NZ,$628C Jump unless the LSB was incremented to 0
6285 INC (HL) Increment the MSB
6286 LD H,(HL) HL=address of the point reached in the command list
6287 DEC H
6288 LD L,A
6289 LD A,(HL) Pick up the byte from the command list
628A POP HL Restore the character number to H
628B RET
628C LD H,(HL) HL=address of the point reached in the command list
628D LD L,A
628E LD A,(HL) Pick up the byte from the command list
628F POP HL Restore the character number to H
6290 RET
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