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A793: Routine at A793
A793 LD A,($A036) A=*A036.
A796 EX AF,AF' Exchange the shadow AF register with the AF register.
A797 XOR A A=00.
This entry point is used by the routine at A7AC.
A798 LD ($A028),A Write A to *A028.
A79B EX AF,AF' Exchange the AF register with the shadow AF register.
A79C PUSH AF Stash AF on the stack.
A79D CALL $A82F Call A82F.
A7A0 POP AF Restore AF from the stack.
A7A1 AND A Set flags.
A7A2 LD DE,$0485 DE=0485.
A7A5 RET NZ Return if ?? is not equal to A.
A7A6 LD DE,$007A DE=007A.
A7A9 OR %00000001 Set bit 0.
A7AB RET Return.
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