mirror of
https://github.com/badvision/lawless-legends.git
synced 2024-07-12 02:29:00 +00:00
Symmetric improvements to 2D API.
This commit is contained in:
Martin Haye
parent
f0a53623b5
commit
7be0112be4
@ -1937,7 +1937,7 @@ __asmPlasm: !zone
|
||||
ldy evalStkH,x ; ...Y=hi
|
||||
.jsr jsr $1111 ; call the routine to do work
|
||||
bit setLcRW+lcBank2 ; read from language card (where PLASMA runtime lives)
|
||||
sta tmp ; save return value lo
|
||||
sta tmp ; stash return value lo
|
||||
pla
|
||||
tax ; restore adjusted PLASMA stack pointer
|
||||
lda tmp
|
||||
|
||||
@ -60,12 +60,12 @@ const FATAL_ERROR = $1F
|
||||
// Other constants
|
||||
const callbacks = $300
|
||||
|
||||
// 3D mode
|
||||
const OVERMAP_NUM = 11
|
||||
const OVERMAP_IS_3D = 1
|
||||
// 2D mode
|
||||
//const OVERMAP_NUM = 1
|
||||
//const OVERMAP_IS_3D = 0
|
||||
// 3D map start
|
||||
//const OVERMAP_NUM = 11
|
||||
//const OVERMAP_IS_3D = 1
|
||||
// 2D map start
|
||||
const OVERMAP_NUM = 1
|
||||
const OVERMAP_IS_3D = 0
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////////////////////////
|
||||
// Predefined functions, for circular calls or out-of-order calls
|
||||
@ -807,6 +807,7 @@ def kbdTeleport()
|
||||
word x, y
|
||||
byte dir
|
||||
|
||||
flipToPage1()
|
||||
^$c053
|
||||
if ^$25 < 23; ^$25 = 23; fin
|
||||
getPos(@x, @y)
|
||||
|
||||
@ -600,6 +600,11 @@ CROSS_WEST
|
||||
JSR MainDraw
|
||||
}
|
||||
|
||||
;----------------------------------------------------------------------
|
||||
; >> pl_render
|
||||
; Params: none; return: none
|
||||
; Draw at the current position.
|
||||
pl_render:
|
||||
DRAW: LDA #0
|
||||
BEQ +
|
||||
CALC: LDA #1
|
||||
@ -916,7 +921,6 @@ FinishCalc
|
||||
; params: mapNum, pMapData, x, y, dir
|
||||
pl_initMap: !zone
|
||||
STX PLASMA_X ; save PLASMA's eval stack pos
|
||||
BIT setROM ; switch out PLASMA while we work
|
||||
|
||||
; PLASMA code has already loaded the Northwest-most map section. Record its ID and address.
|
||||
LDA evalStkL+4,X
|
||||
@ -952,18 +956,12 @@ pl_initMap: !zone
|
||||
|
||||
; The bullk of the work is taken care of by a helper function.
|
||||
INX ; skip dir so that X/Y pos are at top of eval stack
|
||||
JSR SETPOS
|
||||
|
||||
; all done
|
||||
BIT setLcRW+lcBank2 ; switch PLASMA runtime back in
|
||||
LDX PLASMA_X ; restore PLASMA's eval stk pos
|
||||
INX
|
||||
INX ; toss 4 slots (params=5, ret=1, diff=4)
|
||||
INX
|
||||
INX
|
||||
RTS
|
||||
JMP SETPOS
|
||||
|
||||
;----------------------------------------------------------------------
|
||||
; >> pl_setPos
|
||||
; Params: X, Y
|
||||
pl_setPos:
|
||||
SETPOS:
|
||||
; Figure out which map sections we need to load.
|
||||
; We can temporarily use the DRAW_* variables for our work here, since
|
||||
@ -1148,42 +1146,24 @@ SETPOS:
|
||||
; >> pl_flipToPage1
|
||||
; No-op, because in 2D we don't use hi-res page 2
|
||||
pl_flipToPage1:
|
||||
dex ; no-op still needs a return slot (0 param - 1 ret = -1)
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------
|
||||
; >> pl_setColor
|
||||
; No-op, because in 2D we don't have sky and ground colors
|
||||
pl_setColor:
|
||||
rts ; no need to mess with X: 1 param - 1 ret = 0
|
||||
|
||||
;----------------------------------------------------------------------
|
||||
; >> pl_setPos
|
||||
; Params: X, Y
|
||||
pl_setPos:
|
||||
TXA
|
||||
PHA ; save PLASMA eval stk pos
|
||||
BIT setROM ; switch out PLASMA while we work
|
||||
JSR SETPOS ; bulk of the work done by a helper function
|
||||
BIT setLcRW+lcBank2 ; switch PLASMA runtime back in
|
||||
PLA ; restore PLASMA's eval stk pos
|
||||
TAX
|
||||
INX ; toss 1 slot (params=2, ret=0, diff=2)
|
||||
INX
|
||||
RTS
|
||||
rts
|
||||
|
||||
;----------------------------------------------------------------------
|
||||
; >> pl_getPos
|
||||
; Params: @X, @Y
|
||||
pl_getPos: !zone {
|
||||
!if DEBUG {
|
||||
BIT setROM
|
||||
+prStr : !text "O_X=",0 : +prWord ORIGIN_X
|
||||
+prStr : !text "R_X=",0 : +prByte REL_X
|
||||
+prStr : !text "O_Y=",0 : +prWord ORIGIN_Y
|
||||
+prStr : !text "R_Y=",0 : +prByte REL_Y
|
||||
+crout
|
||||
BIT setLcRW+lcBank2
|
||||
}
|
||||
LDA ORIGIN_Y
|
||||
CLC
|
||||
@ -1199,7 +1179,7 @@ pl_getPos: !zone {
|
||||
JSR .sto
|
||||
LDA ORIGIN_X+1
|
||||
ADC #0
|
||||
JMP .sto2 ; Note: total X incr: 1 (2 parms - 1 ret = 1)
|
||||
JMP .sto2
|
||||
.sto LDY evalStkL,X ; lo byte of address
|
||||
STY .sto2+1
|
||||
LDY evalStkH,X ; hi byte of address
|
||||
@ -1217,10 +1197,7 @@ pl_getDir:
|
||||
LDA AVATAR_DIR ; take our 0..3
|
||||
ASL ; and translate
|
||||
ASL ; to 0..15
|
||||
DEX ; make a place for it on eval stk
|
||||
STA evalStkL,X ; and save it
|
||||
LDA #0
|
||||
STA evalStkH,X
|
||||
LDY #0
|
||||
RTS
|
||||
|
||||
;----------------------------------------------------------------------
|
||||
@ -1279,7 +1256,12 @@ INNER_ADVANCE: !zone {
|
||||
}
|
||||
|
||||
;----------------------------------------------------------------------
|
||||
ADVANCE: !zone {
|
||||
; >> pl_advance
|
||||
; Params: none; return: 0 if blocked, 1 if same, 2 if new map tile, 3 if new and scripted
|
||||
; Advance in the current direction
|
||||
pl_advance: !zone {
|
||||
STX PLASMA_X ; save PLASMA eval stk pos
|
||||
|
||||
LDA REL_X ; save X
|
||||
PHA
|
||||
LDA REL_Y ; and save Y
|
||||
@ -1311,51 +1293,14 @@ ADVANCE: !zone {
|
||||
EOR REL_X
|
||||
.or ORA #11 ; self-modified above
|
||||
BEQ .ret
|
||||
INY ; moved
|
||||
LDY #2 ; moved, so return at least 2.
|
||||
LDA AVATAR_TILE
|
||||
AND #$40 ; check script flag
|
||||
BEQ .ret
|
||||
INY ; moved and also new place is scripted
|
||||
.ret RTS
|
||||
}
|
||||
|
||||
;----------------------------------------------------------------------
|
||||
; >> pl_advance
|
||||
; Params: none; return: 0 if same, 1 if new map tile, 2 if new and scripted
|
||||
; Advance in the current direction
|
||||
pl_advance: !zone {
|
||||
STX PLASMA_X ; save PLASMA eval stk pos
|
||||
BIT setROM ; switch out PLASMA while we work
|
||||
|
||||
JSR ADVANCE ; most of the work done by helper function
|
||||
TYA
|
||||
PHA
|
||||
JSR DRAW
|
||||
PLA
|
||||
TAY
|
||||
|
||||
BIT setLcRW+lcBank2 ; switch PLASMA runtime back in
|
||||
LDX PLASMA_X ; restore PLASMA's eval stk pos
|
||||
DEX ; make room for ret val (params=0, ret=1, diff=-1)
|
||||
TYA ; get ret val
|
||||
STA evalStkL,X ; and save it
|
||||
LDA #0 ; hi byte of ret val
|
||||
STA evalStkH,X ; is always zero
|
||||
RTS
|
||||
}
|
||||
|
||||
;----------------------------------------------------------------------
|
||||
; >> pl_render
|
||||
; Params: none; return: none
|
||||
; Draw at the current position.
|
||||
pl_render: !zone {
|
||||
STX PLASMA_X ; save PLASMA eval stk pos
|
||||
BIT setROM ; switch out PLASMA while we work
|
||||
|
||||
JSR DRAW
|
||||
|
||||
BIT setLcRW+lcBank2 ; switch PLASMA runtime back in
|
||||
RTS
|
||||
INY ; moved and also new place is scripted, return 3.
|
||||
.ret TYA
|
||||
LDY #0 ; hi byte of return always zero
|
||||
RTS
|
||||
}
|
||||
|
||||
tblHGRl
|
||||
|
||||
Loading…
Reference in New Issue
Block a user