Routines
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53387: Swap Player State
Used by the routines at RenderHUD, PlayerDeath and PlayerDeath_TapeLoadContinue.
Swaps the active and inactive player's 68-byte game state blocks between the player 1 slot at Player_1_State and the player 2 slot at Player_2_State, using 50315 as a temporary buffer. Called each time the game switches between the two players.
SwapPlayerState 53387 LD HL,50179 HL=Player_1_State (player 1 state source).
53390 LD DE,50315 DE=50315 (temporary buffer destination).
53393 LD BC,68 BC=0068 (68 bytes = one player state block).
53396 LDIR Copy player 1 state to the temporary buffer; HL advances to Player_2_State (player 2 state).
53398 LD DE,50179 DE=Player_1_State (player 1 slot destination).
53401 LD BC,68 BC=0068.
53404 LDIR Copy player 2 state (from Player_2_State) into the player 1 slot.
53406 LD HL,50315 HL=50315 (saved player 1 state source).
53409 LD BC,68 BC=0068.
53412 LDIR Copy saved player 1 state into the player 2 slot (at Player_2_State).
53414 RET Return.
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