mirror of
https://github.com/badvision/lawless-legends.git
synced 2024-06-26 00:29:30 +00:00
Converting main loop to PLASMA.
This commit is contained in:
Martin Haye
parent
0950b9357e
commit
a399d81478
1
.gitignore
vendored
1
.gitignore
vendored
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@ -23,4 +23,5 @@
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*.a
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/Platform/Apple/tools/PLASMA/src/plasm
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/Platform/Apple/tools/PLASMA/src/plvm
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/Platform/Apple/tools/PLASMA/src/PLVM02.SYSTEM.sys
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/Platform/Apple/tools/PLASMA/src/*#*
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@ -2,7 +2,7 @@
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AFLAGS = -o $@
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LFLAGS = -C default.cfg
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PLVM = plvm
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PLVM02 = PLASMA.SYSTEM\#FF2000
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PLVM02 = PLVM02.SYSTEM.sys#2000
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CMD = CMD\#FF2000
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PLASM = plasm
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INCS = tokens.h symbols.h lex.h parse.h codegen.h
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@ -7,6 +7,7 @@
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<property name="build.dir" value="./build"/>
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<property name="a2copy.dir" value="../tools/A2Copy/dist"/>
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<property name="pack.dir" value="../tools/PackPartitions/dist"/>
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<property name="plasma.dir" location="../tools/PLASMA/src"/>
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<property name="IMG_FILE" value="${build.dir}/${projName}.bin#${ORG_ADDR}"/>
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@ -49,7 +50,7 @@
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<delete failonerror="false" dir="${build.dir}/root"/>
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<mkdir dir="${build.dir}/root"/>
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<copy todir="${build.dir}/root">
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<fileset dir="${src.dir}/plasma/build" includes="*.sys*"/>
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<fileset dir="${plasma.dir}" includes="PLVM02.SYSTEM*"/>
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<fileset dir="${src.dir}/core/build" includes="*.sys*"/>
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<fileset dir="./build" includes="game.part*.bin"/>
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</copy>
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@ -12,6 +12,7 @@
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; Global definitions
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!source "../include/global.i"
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!source "../include/mem.i"
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!source "../include/plasma.i"
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; Constants
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MAX_SEGS = 96
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@ -394,7 +395,7 @@ init: !zone
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; 6: main $6000 -> 3, inactive
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; 7: main $BF00 -> 0, active + locked
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; First, the flags
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lda #$C0 ; flags for active + locked (with no resource)
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lda #$C0 ; flags for active + locked (with no resource)
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sta tSegType+0
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sta tSegType+1
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sta tSegType+3
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@ -430,30 +431,40 @@ init: !zone
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sta tSegAdrHi+6
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; Finally, form a long list of the remaining unused segments.
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ldx #8
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stx unusedSeg ; that's the first unused seg
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stx unusedSeg ; that's the first unused seg
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ldy #9
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.loop: tya
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sta tSegLink,x
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inx
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iny
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cpy #MAX_SEGS ; did all segments yet?
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bne .loop ; no, loop again
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; Load code resource #1 at $6000
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cpy #MAX_SEGS ; did all segments yet?
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bne .loop ; no, loop again
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; Allocate space for the PLASMA frame stack
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ldx #0
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ldy #2 ; 2 pages
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lda #REQUEST_MEMORY
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jsr mainLoader
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stx framePtr
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iny ; twice for 2 pages: initial pointer at top of new space
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iny
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sty framePtr+1
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; Load PLASMA module #1
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ldx #0
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lda #START_LOAD
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jsr mainLoader
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ldx #0
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ldy #$60
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lda #SET_MEM_TARGET
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jsr mainLoader
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ldx #RES_TYPE_CODE
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ldx #RES_TYPE_MODULE
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ldy #1
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lda #QUEUE_LOAD
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jsr mainLoader
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ldx #1 ; keep open for efficiency's sake
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stx .gomod+1
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sty .gomod+2
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lda #LOCK_MEMORY ; lock it in forever
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jsr mainLoader
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ldx #1 ; keep open for efficiency's sake
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lda #FINISH_LOAD
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jsr mainLoader
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jmp $6000 ; jump to the loaded code for futher bootstrapping
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ldx #$10 ; initial eval stack index
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.gomod: jmp $1111 ; jump to module for further bootstrapping
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;------------------------------------------------------------------------------
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!if DEBUG {
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@ -710,6 +721,26 @@ invalAddr: !zone
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jmp fatalError
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+ !text "Invalid addr", 0
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;------------------------------------------------------------------------------
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; If the resource is a module, this will locate the corresponding bytecode
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; in aux mem.
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; Returns the segment found in X, or 0 if n/a. Sets Z flag appropriately.
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shared_byteCodeAlso:
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lda resType
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cmp #RES_TYPE_MODULE
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beq +
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lda #0
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rts
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+ lda #RES_TYPE_BYTECODE
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sta resType
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lda #1
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sta isAuxCmd
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jsr scanForResource
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bne +
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brk ; it better be present!
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+ lda tSegType,x
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rts
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;------------------------------------------------------------------------------
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main_lock: !zone
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lda #0 ; index for main-mem request
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@ -720,7 +751,11 @@ shared_lock:
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jsr shared_scan ; scan for exact memory block
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ora #$40 ; set the 'locked' flag
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sta tSegType,x ; store flags back
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rts ; all done
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jsr shared_byteCodeAlso
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beq +
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ora #$40
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sta tSegType,x
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+ rts ; all done
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;------------------------------------------------------------------------------
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main_unlock: !zone
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@ -732,7 +767,11 @@ shared_unlock:
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jsr shared_scan ; scan for exact memory block
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and #$BF ; mask off the 'locked' flag
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sta tSegType,x ; store flags back
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rts ; all done
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jsr shared_byteCodeAlso
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beq +
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and #$BF
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sta tSegType,x
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+ rts ; all done
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;------------------------------------------------------------------------------
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main_free: !zone
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@ -1193,15 +1232,16 @@ disk_finishLoad: !zone
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.nFixups: !byte 0
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!if DEBUG {
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.debug1:+prStr : !text "Going to load: type=",0
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.debug1:+prStr : !text "Loading: t=",0
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+prByte resType
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+prStr : !text "num=",0
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+prStr : !text "n=",0
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+prByte resNum
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+prStr : !text "isAux=",0
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+prStr : !text "aux=",0
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+prByte isAuxCmd
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rts
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.debug2:+prStr : !text "reqLen=",0
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.debug2:+prStr : !text "len=",0
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+prWord reqLen
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+prStr : !text "pDst=",0
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+prStr : !text "dst=",0
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+prWord pDst : +crout
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rts
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} ; end DEBUG
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@ -1260,11 +1300,6 @@ readToBuf: !zone
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ldx #0
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+ stx readLen
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sta readLen+1 ; save number of pages
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!if DEBUG {
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+prStr : !text "Read to buf, len=",0
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+prWord readLen
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+crout
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}
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jsr readToMain ; now read
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lda reqLen ; decrement reqLen by the amount we read
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sec
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@ -4,7 +4,7 @@
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; (c) 2013, Brutal Deluxe Software
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;
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* = $1b00 ; so it ends just before $2000
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* = $BA00 ; so it ends just before $BF00
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!source "equates.i"
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@ -38,7 +38,7 @@ cursv = cursh+1 ; Cursor V-pos 0-23 => 0-191
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;---------------------------
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fontEngine = $1B00
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fontEngine = $BA00
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printSTR = fontEngine
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printSSTR = printSTR+3
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printCSTR = printSSTR+3
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@ -74,23 +74,29 @@ setHires = $C057
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opnApple = $C061
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clsApple = $C062
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; ROM routines
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prntax = $F941
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textinit= $FB2F
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home = $FC58
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rdkey = $FD0C
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getln1 = $FD6F
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crout = $FD8E
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prbyte = $FDDA
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cout = $FDED
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setnorm = $FE84
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setkbd = $FE89
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setvid = $FE93
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prerr = $FF2D
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bell = $FF3A
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iosave = $FF4A
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iorest = $FF3F
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monrts = $FF58
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monitor = $FF69
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getnum = $FFA7
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setLcRd = $C080
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setLcWr = $C081
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setROM = $C082
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setLcRW = $C083
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lcBank2 = 0
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lcBank1 = 8
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; ROM routines
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prntax = $F941
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textinit = $FB2F
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home = $FC58
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rdkey = $FD0C
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getln1 = $FD6F
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crout = $FD8E
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prbyte = $FDDA
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cout = $FDED
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setnorm = $FE84
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setkbd = $FE89
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setvid = $FE93
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prerr = $FF2D
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bell = $FF3A
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iosave = $FF4A
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iorest = $FF3F
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monrts = $FF58
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monitor = $FF69
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getnum = $FFA7
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4
Platform/Apple/virtual/src/include/plasma.i
Normal file
4
Platform/Apple/virtual/src/include/plasma.i
Normal file
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@ -0,0 +1,4 @@
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; Zero-page
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evalStkL = $C0
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evalStkH = $D0
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framePtr = $E0
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@ -3,98 +3,246 @@
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const FALSE = 0
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const TRUE = !FALSE
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;==================================================================================================
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; Fixed memory locations
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const raycaster = $6000 ; main mem
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const expandVec = $800 ; aux mem
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const fontEngine = $BA00 ; main mem
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;==================================================================================================
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; Resource numbers
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const RES_NUM_RAYCASTER = 1
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const RES_NUM_EXPAND_VEC = 2
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const RES_NUM_FONT_ENGINE = 3
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;==================================================================================================
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; Hardware addresses.
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const keyboard = $C000
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const keystrobe = $C010
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const ptr = $6000
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const f1 = 0
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const f2 = 2
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;==================================================================================================
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; Memory manager definitions
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; Resource types
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const RES_TYPE_CODE = 1
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const RES_TYPE_2D_MAP = 2
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const RES_TYPE_3D_MAP = 3
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const RES_TYPE_TILE = 4
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const RES_TYPE_TEXTURE = 5
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const RES_TYPE_SCREEN = 6
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const RES_TYPE_FONT = 7
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const RES_TYPE_MODULE = 8
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const RES_TYPE_BYTECODE = 9
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const RES_TYPE_FIXUP = 10
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; Memory banks
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const MAIN_MEM = 0
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const AUX_MEM = 1
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; Command codes
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const RESET_MEMORY = $10
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const REQUEST_MEMORY = $11
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const LOCK_MEMORY = $12
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const UNLOCK_MEMORY = $13
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const SET_MEM_TARGET = $14
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const START_LOAD = $15
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const QUEUE_LOAD = $16
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const FINISH_LOAD = $17
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const FREE_MEMORY = $18
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const CALC_FREE = $19
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const CHAIN_LOADER = $1E
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const FATAL_ERROR = $1F
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;==================================================================================================
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; Strings.
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byte hellostr[] = "Hello, world.\n"
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byte str2[] = "Second.\n"
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byte helloStr[] = "Loading Lawless Legends.\n"
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byte initFontStr[] = "Initting font engine.\n"
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byte initRaycastStr[] = "Initting raycaster.\n"
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byte renderFrameStr[] = "Rendering frame.\n"
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predef func1, func2
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word myclass
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word table = @func1, @func2
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;==================================================================================================
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; Global variables
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word mapNum = 1
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word pFont
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word pMap
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;==================================================================================================
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; Definitions used by assembly code
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asm __defs
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; Zero-page
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TMPL = $6
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TMPH = $7
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ESTKL = $C0
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ESTKH = $D0
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; Memory bank manipulation
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LCRDEN = $C080
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LCWTEN = $C081
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ROMEN = $C082
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LCRWEN = $C083
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LCBNK2 = $00
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LCBNK1 = $08
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; ROM routines
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PRBYTE = $FDDA
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COUT = $FDED
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!source "../../include/global.i"
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!source "../../include/plasma.i"
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!source "../../include/mem.i"
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!source "../../include/fontEngine.i"
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tmp = $2
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pTmp = $4
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end
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;==================================================================================================
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; Print a string
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asm puts
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TXA
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PHA
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LDA ESTKL,X
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STA TMPL
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LDA ESTKH,X
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STA TMPH
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LDY #0
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LDA (TMPL),Y
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TAX
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INY
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BIT ROMEN
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- LDA (TMPL),Y
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ORA #$80
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JSR COUT
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INY
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DEX
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BNE -
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BIT LCRDEN+LCBNK2
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PLA
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TAX
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RTS
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txa
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pha
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lda evalStkL,x
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sta pTmp
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lda evalStkH,x
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sta pTmp+1
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ldy #0
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lda (pTmp),y
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tax
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iny
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bit setROM
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- lda (pTmp),y
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ora #$80
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jsr cout
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iny
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dex
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bne -
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bit setLcRW+lcBank2
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pla
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tax
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rts
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end
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;==================================================================================================
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; Print a 16-bit hex value, followed by a space
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asm printHex
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BIT ROMEN
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LDA ESTKH,X
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JSR PRBYTE
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LDA ESTKL,X
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JSR PRBYTE
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LDA #$A0
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JSR COUT
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BIT LCRDEN+LCBNK2
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RTS
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bit setROM
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lda evalStkH,x
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jsr prbyte
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lda evalStkL,x
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jsr prbyte
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lda #$A0
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jsr cout
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bit setLcRW+lcBank2
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rts
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end
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;==================================================================================================
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; Allocate memory
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asm loader ; (cmd, mainOrAux, amount)
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txa
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pha
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bit setROM
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lda evalStkL+2,x ; command code
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pha
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lda evalStkL+1,x ; main or aux
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lsr
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ldy evalStkH,x ; address (or other param)
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lda evalStkL,x
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tax
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pla
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bcs +
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jsr mainLoader
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clc
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bcc ++
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+ jsr auxLoader
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++ stx tmp
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pla
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tax
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inx ; drop second parameter
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lda tmp
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sta evalStkL,x
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tya
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sta evalStkH,x
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bit setLcRW+lcBank2
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rts
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end
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asm initFontEngine
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txa
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pha
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bit setROM
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ldy evalStkL,x ; font engine likes *lo* byte in Y
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lda evalStkH,x ; hi byte in X
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tax
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jsr setFONT
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; Set to write text on both hi-res pages at the same time
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lda #pHGR3
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jsr displayMODE
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; Set to normal (non-inverse) text
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lda #pNORMAL
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jsr drawMODE
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pla
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tax
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bit setLcRW+lcBank2
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rts
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end
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asm initRaycaster
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txa
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pha
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bit setROM
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lda evalStkL,x
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ldy evalStkH,x
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jsr $6000
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pla
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tax
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bit setLcRW+lcBank2
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rts
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end
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asm renderFrame
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txa
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pha
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bit setROM
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jsr $6003
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pla
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tax
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bit setLcRW+lcBank2
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rts
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end
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|
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asm goMon
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bit setROM
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jmp $FF69
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end
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;==================================================================================================
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; Main loop.
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;
|
||||
def func1()
|
||||
printHex(1)
|
||||
end
|
||||
def func2()
|
||||
printHex(2)
|
||||
end
|
||||
puts(@helloStr)
|
||||
|
||||
myclass = @table
|
||||
table.f2()
|
||||
;(myclass).f2()
|
||||
((myclass):f2)()
|
||||
puts(@hellostr)
|
||||
func1(@hellostr)
|
||||
; Reset memory (our module will stay since memory manager locked it upon load)
|
||||
loader(RESET_MEMORY, MAIN_MEM, 0)
|
||||
|
||||
; Load the font engine
|
||||
loader(SET_MEM_TARGET, MAIN_MEM, fontEngine)
|
||||
loader(QUEUE_LOAD, MAIN_MEM, RES_NUM_FONT_ENGINE<<8 | RES_TYPE_CODE)
|
||||
|
||||
; Load the raycaster
|
||||
loader(SET_MEM_TARGET, MAIN_MEM, raycaster)
|
||||
loader(QUEUE_LOAD, MAIN_MEM, RES_NUM_RAYCASTER<<8 | RES_TYPE_CODE)
|
||||
|
||||
; Load the texture expansion code
|
||||
loader(SET_MEM_TARGET, AUX_MEM, expandVec)
|
||||
loader(QUEUE_LOAD, AUX_MEM, RES_NUM_EXPAND_VEC<<8 | RES_TYPE_CODE)
|
||||
|
||||
; Load the frame image
|
||||
loader(SET_MEM_TARGET, MAIN_MEM, $2000)
|
||||
loader(QUEUE_LOAD, MAIN_MEM, 1<<8 | RES_TYPE_SCREEN)
|
||||
|
||||
; Load the font for the font engine
|
||||
pFont = loader(QUEUE_LOAD, MAIN_MEM, 1<<8 | RES_TYPE_FONT)
|
||||
|
||||
; Load the map
|
||||
pMap = loader(QUEUE_LOAD, MAIN_MEM, mapNum<<8 | RES_TYPE_3D_MAP)
|
||||
|
||||
; Load everything that we just queued
|
||||
loader(FINISH_LOAD, MAIN_MEM, 1) ; 1 = keep open
|
||||
|
||||
; Start up the font engine
|
||||
puts(@initFontStr)
|
||||
initFontEngine(pFont)
|
||||
|
||||
; Start up the raycaster
|
||||
puts(@initRaycastStr)
|
||||
initRaycaster(pMap)
|
||||
|
||||
; And draw the frame
|
||||
puts(@renderFrameStr)
|
||||
renderFrame()
|
||||
|
||||
; For now, just get out
|
||||
goMon()
|
||||
|
||||
done
|
||||
|
|
@ -89,20 +89,20 @@ expandVec = $800
|
|||
;---------------------------------
|
||||
|
||||
; Main-mem tables and buffers
|
||||
tableStart = $A700
|
||||
decodeTo01 = $A700
|
||||
decodeTo01b = $A800
|
||||
decodeTo23 = $A900
|
||||
decodeTo23b = $AA00
|
||||
decodeTo45 = $AB00
|
||||
decodeTo56 = $AC00
|
||||
decodeTo57 = $AD00
|
||||
clrBlitRollE = $AE00 ; size 3*(128/2) = $C0, plus 2 for tya and rts
|
||||
clrBlitRollO = $AEC2 ; size 3*(128/2) = $C0, plus 2 for tya and rts
|
||||
texAddrLo = $AF84
|
||||
tableStart = $A200
|
||||
decodeTo01 = tableStart+$0000
|
||||
decodeTo01b = tableStart+$0100
|
||||
decodeTo23 = tableStart+$0200
|
||||
decodeTo23b = tableStart+$0300
|
||||
decodeTo45 = tableStart+$0400
|
||||
decodeTo56 = tableStart+$0500
|
||||
decodeTo57 = tableStart+$0600
|
||||
clrBlitRollE = tableStart+$0700 ; size 3*(128/2) = $C0, plus 2 for tya and rts
|
||||
clrBlitRollO = tableStart+$07C2 ; size 3*(128/2) = $C0, plus 2 for tya and rts
|
||||
texAddrLo = tableStart+$0884
|
||||
texAddrHi = texAddrLo + MAX_TEXTURES
|
||||
blitRoll = $B000 ; Unrolled blitting code. Size 29*128 = $E80, plus 1 for rts
|
||||
tableEnd = $BE81
|
||||
blitRoll = tableStart+$0900 ; Unrolled blitting code. Size 29*128 = $E80, plus 1 for rts
|
||||
tableEnd = tableStart+$01781
|
||||
|
||||
; mipmap level offsets
|
||||
MIP_OFFSET_0 = 0
|
||||
|
|
|
|||
|
|
@ -9,7 +9,8 @@ start:
|
|||
; This code is written bottom-up. That is, simple routines first,
|
||||
; then routines that call those to build complexity. The main
|
||||
; code is at the very end. We jump to it now.
|
||||
jmp main
|
||||
jmp initMap
|
||||
jmp renderFrame
|
||||
|
||||
; Conditional assembly flags
|
||||
DOUBLE_BUFFER = 1 ; whether to double-buffer
|
||||
|
|
@ -1549,111 +1550,6 @@ setBackBuf: !zone
|
|||
sta clrAuxZP
|
||||
rts
|
||||
|
||||
;-------------------------------------------------------------------------------
|
||||
initMem: !zone
|
||||
!if DEBUG { +prStr : !text "Raycast: setting up memory.",0 }
|
||||
lda #LOCK_MEMORY ; lock ourselves in before reset
|
||||
ldx #<start
|
||||
ldy #>start
|
||||
jsr mainLoader
|
||||
lda #RESET_MEMORY ; clear everything else
|
||||
jsr mainLoader
|
||||
; Reserve memory for our tables
|
||||
lda #SET_MEM_TARGET
|
||||
ldx #<tableStart
|
||||
ldy #>tableStart
|
||||
jsr mainLoader
|
||||
lda #REQUEST_MEMORY
|
||||
ldx #<(tableEnd-tableStart)
|
||||
ldy #>(tableEnd-tableStart)
|
||||
jsr mainLoader
|
||||
; Reserve memory for the PLASMA frame stack
|
||||
lda #REQUEST_MEMORY
|
||||
ldx #0
|
||||
ldy #>PLASMA_FRAME_SIZE
|
||||
jsr mainLoader
|
||||
stx plasmaFrames
|
||||
sty plasmaFrames+1
|
||||
; Load the font engine
|
||||
!if DEBUG { +prStr : !text "Loading font engine.",0 }
|
||||
lda #SET_MEM_TARGET
|
||||
ldx #<fontEngine
|
||||
ldy #>fontEngine
|
||||
jsr mainLoader
|
||||
lda #QUEUE_LOAD
|
||||
ldx #RES_TYPE_CODE
|
||||
ldy #3 ; hard coded for now: code #3 is the font engine
|
||||
jsr mainLoader
|
||||
!if DEBUG { +prStr : !text "Loading expansion code.",0 }
|
||||
; Load the texture expansion code into aux mem.
|
||||
lda #SET_MEM_TARGET
|
||||
ldx #<expandVec
|
||||
ldy #>expandVec
|
||||
jsr mainLoader
|
||||
lda #QUEUE_LOAD ; we assume bootstrapper left the queue open
|
||||
ldx #RES_TYPE_CODE
|
||||
ldy #2 ; hard coded for now: code #2 is texture expander
|
||||
jsr auxLoader
|
||||
!if DEBUG { +prStr : !text "Loading frame.",0 }
|
||||
; Load the UI frame
|
||||
lda #SET_MEM_TARGET
|
||||
ldx #0
|
||||
ldy #$20
|
||||
jsr mainLoader
|
||||
lda #QUEUE_LOAD
|
||||
ldx #RES_TYPE_SCREEN
|
||||
ldy #1
|
||||
jsr mainLoader
|
||||
; Load the game loop module
|
||||
!if DEBUG { +prStr : !text "Loading game loop.",0 }
|
||||
lda #QUEUE_LOAD
|
||||
ldx #RES_TYPE_MODULE
|
||||
ldy #1 ; hard coded for now: module #1 is the game loop
|
||||
jsr mainLoader
|
||||
stx .callGameLoop+1
|
||||
sty .callGameLoop+2
|
||||
; Load the map into main mem
|
||||
!if DEBUG { +prStr : !text "Loading map.",0 }
|
||||
lda #QUEUE_LOAD
|
||||
ldx #RES_TYPE_3D_MAP
|
||||
ldy mapNum ; hard-coded for now
|
||||
jsr mainLoader
|
||||
stx mapHeader
|
||||
sty mapHeader+1
|
||||
; Load the font into main mem
|
||||
lda #QUEUE_LOAD
|
||||
ldx #RES_TYPE_FONT
|
||||
ldy #1 ; we have only one font, for now at least
|
||||
jsr mainLoader
|
||||
tya ; save location for when font engine has been loaded
|
||||
pha
|
||||
txa
|
||||
pha
|
||||
; Force the loads to complete now
|
||||
lda #FINISH_LOAD
|
||||
ldx #1 ; keep queue open
|
||||
jsr mainLoader
|
||||
|
||||
LDA #$00 ; INIT FRAME POINTER
|
||||
STA $E0
|
||||
LDA #$BF
|
||||
STA $E1
|
||||
LDX #$10 ; INIT EVAL STACK INDEX
|
||||
.callGameLoop:
|
||||
jsr $1111 ; self-modified with actual address
|
||||
bit $c081
|
||||
pla ; get back the font location
|
||||
tay ; font engine likes *lo* byte in Y
|
||||
pla
|
||||
tax ; and hi byte in X
|
||||
jsr setFONT
|
||||
; Set to write text on both hi-res pages at the same time
|
||||
lda #pHGR3
|
||||
jsr displayMODE
|
||||
; Set to normal (non-inverse) text
|
||||
lda #pNORMAL
|
||||
jmp drawMODE
|
||||
|
||||
;-------------------------------------------------------------------------------
|
||||
setExpansionCaller:
|
||||
; Copy the expansion caller to low stack.
|
||||
|
|
@ -1905,7 +1801,7 @@ renderFrame: !zone
|
|||
lda byteNum
|
||||
cmp #18
|
||||
bne .oneCol ; go back for another ray
|
||||
rts
|
||||
jmp flip ; flip it onto the screen
|
||||
|
||||
;-------------------------------------------------------------------------------
|
||||
; Move the player forward a quarter step
|
||||
|
|
@ -2047,19 +1943,6 @@ readKbdColor: !zone
|
|||
sec
|
||||
rts
|
||||
|
||||
;-------------------------------------------------------------------------------
|
||||
nextMap: !zone
|
||||
ldx mapNum
|
||||
inx
|
||||
cpx #6
|
||||
bne +
|
||||
ldx #1
|
||||
+ stx mapNum
|
||||
bit setText
|
||||
bit page1
|
||||
jmp main ; re-init everything
|
||||
|
||||
|
||||
;-------------------------------------------------------------------------------
|
||||
; Set the window for the top (map name) bar
|
||||
set_window1: !zone
|
||||
|
|
@ -2107,12 +1990,10 @@ set_window3: !zone
|
|||
|
||||
;-------------------------------------------------------------------------------
|
||||
; The real action
|
||||
main: !zone
|
||||
; Put ourselves high on the stack
|
||||
ldx #$FF
|
||||
txs
|
||||
; Set up memory
|
||||
jsr initMem
|
||||
initMap: !zone
|
||||
; Record the address of the map
|
||||
sta mapHeader
|
||||
sty mapHeader+1
|
||||
jsr setPlayerPos
|
||||
jsr loadTextures
|
||||
jsr copyScreen
|
||||
|
|
@ -2143,26 +2024,6 @@ main: !zone
|
|||
ldy mapName ; now display the name itself
|
||||
ldx mapName+1
|
||||
jsr printCSTR
|
||||
; play text in the big window on the top right
|
||||
!if 0 {
|
||||
jsr set_window2
|
||||
jsr clearWINDOW
|
||||
jsr printSCSTR
|
||||
!raw "Loud music",13
|
||||
!raw "brings your at-"
|
||||
!raw "tention to the",13
|
||||
!raw "northwest where"
|
||||
!raw "patrons and",13
|
||||
!raw "'entertainers' "
|
||||
!raw "are enjoying",13
|
||||
!raw "themselves at",13
|
||||
!raw "the town's",13
|
||||
!raw "saloon. One",13
|
||||
!raw "sends you a",13
|
||||
!raw "wink. Perhaps",13
|
||||
!raw "it's your lucky"
|
||||
!raw "day?",0
|
||||
}
|
||||
; play characters in the little window on the bottom right
|
||||
jsr set_window3
|
||||
jsr clearWINDOW
|
||||
|
|
@ -2173,6 +2034,8 @@ main: !zone
|
|||
!raw "Cliff H. 10/36"
|
||||
!raw "Prospect 13/24"
|
||||
!byte 0
|
||||
rts
|
||||
|
||||
; Render the frame and flip it onto the screen
|
||||
.nextFrame:
|
||||
jsr renderFrame
|
||||
|
|
@ -2218,9 +2081,6 @@ main: !zone
|
|||
bne +
|
||||
jsr setSkyColor
|
||||
jmp .nextFrame
|
||||
+ cmp #'M' ; M to switch maps
|
||||
bne +
|
||||
jmp nextMap
|
||||
+ jsr bell ; beep for unrecognized key
|
||||
jmp .pauseLup ; go back and get another one.
|
||||
.done: ; back to text mode
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user