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Changed move_zp_word to move_word and got rid of indirect/jsr stuff (it saved a byte per call but was much slower, not worth it.)

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Brendan Robert 2014-07-15 23:17:23 -05:00
parent 68d9767947
commit 2fe992370d
1 changed files with 11 additions and 20 deletions
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31
Platform/Apple/virtual/src/tile/tile.s
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@ -117,10 +117,9 @@ SET_XY
;----------------------------------------------------------------------
; >> TRIGGER SCRIPT AT TILE (X,Y = Coordinates in section)
;----------------------------------------------------------------------
!macro move_zp_word from, to {
ldx #from
ldy #to
jsr move_zp_word
!macro move_word from, to {
!move_byte from, to
!move_byte from+1, to+1
}
!macro move_byte from, to {
@ -128,14 +127,6 @@ SET_XY
STX to
}
move_zp_word
; Move a two-byte word from (X) to (Y)
lda $00,X
sta $00,Y
lda $01,X
sta $01,Y
rts
; >> CROSS NORTH BOUNDARY (Load next section to the north)
!zone
CROSS_NORTH
@ -146,9 +137,9 @@ CROSS_NORTH
ADC #SECTION_HEIGHT
STA REL_Y
!move_byte NW_MAP_ID, SW_MAP_ID
!movezp_word NW_MAP_LOC, SW_MAP_LOC
!move_word NW_MAP_LOC, SW_MAP_LOC
!move_byte NE_MAP_ID, SE_MAP_ID
!movezp_word NE_MAP_LOC, SE_MAP_LOC
!move_word NE_MAP_LOC, SE_MAP_LOC
LDA REL_X
CMP SECTION_WIDTH+VIEWPORT_HORIZ_PAD
BGE .1
@ -182,9 +173,9 @@ CROSS_EAST
SBC #SECTION_WIDTH
STA REL_X
!move_byte NE_MAP_ID, NW_MAP_ID
!movezp_word NE_MAP_LOC, NW_MAP_LOC
!move_word NE_MAP_LOC, NW_MAP_LOC
!move_byte SE_MAP_ID, SW_MAP_ID
!movezp_word SE_MAP_LOC, SW_MAP_LOC
!move_word SE_MAP_LOC, SW_MAP_LOC
LDA REL_Y
CMP SECTION_HEIGHT+VIEWPORT_VERT_PAD
BGE .1
@ -220,9 +211,9 @@ CROSS_SOUTH
SBC #SECTION_HEIGHT
STA REL_Y
!move_byte SW_MAP_ID, NW_MAP_ID
!movezp_word SW_MAP_LOC, NW_MAP_LOC
!move_word SW_MAP_LOC, NW_MAP_LOC
!move_byte SE_MAP_ID, NE_MAP_ID
!movezp_word SE_MAP_LOC, NE_MAP_LOC
!move_word SE_MAP_LOC, NE_MAP_LOC
LDA REL_X
CMP SECTION_WIDTH+VIEWPORT_HORIZ_PAD
BGE .1
@ -258,9 +249,9 @@ CROSS_WEST
ADC #SECTION_WIDTH
STA REL_X
!move_byte NW_MAP_ID, NE_MAP_ID
!movezp_word NW_MAP_LOC, NE_MAP_LOC
!move_word NW_MAP_LOC, NE_MAP_LOC
!move_byte SW_MAP_ID, SE_MAP_ID
!movezp_word SW_MAP_LOC, SE_MAP_LOC
!move_word SW_MAP_LOC, SE_MAP_LOC
LDA REL_Y
CMP SECTION_HEIGHT+VIEWPORT_VERT_PAD
BGE .1