Routines
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D08B: Swap Player State
Used by the routines at RenderHUD, PlayerDeath and PlayerDeath_TapeLoadContinue.
Swaps the active and inactive player's 44-byte state blocks between the player 1 slot at Player_1_State and the player 2 slot at Player_2_State, using Player_State_Swap_Buffer as a scratch buffer. Called each time the game switches between the two players. The swap is a three-step rotate through the scratch buffer: save active, overwrite active with inactive, restore saved.
Swap_Player_State D08B LD HL,$C403 Save the active player's 44-byte state block to the scratch buffer at Player_State_Swap_Buffer.
D08E LD DE,$C48B
D091 LD BC,$0044
D094 LDIR
D096 LD DE,$C403 Copy the other player's state block from Player_2_State into the active player's slot at Player_1_State.
D099 LD BC,$0044
D09C LDIR
D09E LD HL,$C48B Copy the saved state block from Player_State_Swap_Buffer into the other player's slot at Player_2_State.
D0A1 LD BC,$0044
D0A4 LDIR
D0A6 RET Return.
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