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cx16: reset rom/ram/monitor banks at program exit to sane values.
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@ -127,11 +127,8 @@ internal class ProgramAndVarsGen(
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"cx16" -> {
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"cx16" -> {
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if(options.floats)
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if(options.floats)
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asmgen.out(" lda #4 | sta $01") // to use floats, make sure Basic rom is banked in
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asmgen.out(" lda #4 | sta $01") // to use floats, make sure Basic rom is banked in
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asmgen.out(" jsr main.start | lda #4 | sta $01")
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asmgen.out(" jsr main.start")
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if(!options.noSysInit)
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asmgen.out(" jmp ${compTarget.name}.cleanup_at_exit")
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asmgen.out(" jmp ${compTarget.name}.cleanup_at_exit")
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else
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asmgen.out(" rts")
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}
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}
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"c64" -> {
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"c64" -> {
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asmgen.out(" jsr main.start | lda #31 | sta $01")
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asmgen.out(" jsr main.start | lda #31 | sta $01")
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@ -639,8 +639,12 @@ asmsub init_system_phase2() {
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asmsub cleanup_at_exit() {
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asmsub cleanup_at_exit() {
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; executed when the main subroutine does rts
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; executed when the main subroutine does rts
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; just an rts here, nothing special to clean up on cx16
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%asm {{
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%asm {{
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lda #1
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sta $00 ; ram bank 1
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lda #4
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sta $01 ; rom bank 4 (kernal)
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stz $2d ; hack to reset machine code monitor bank to 0
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rts
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rts
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}}
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}}
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}
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}
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@ -3,9 +3,6 @@ TODO
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For next release
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For next release
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^^^^^^^^^^^^^^^^
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^^^^^^^^^^^^^^^^
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- cx16 programs seem to poke 0, 56 at exit?
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- assembling hello4.asm prints stray characters in the string
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- petaxian roller.p8 line 49 (also see test.p8) generates large code compared to 8.2
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- petaxian roller.p8 line 49 (also see test.p8) generates large code compared to 8.2
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- code gen for if statements has become inefficient? vm/6502?
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- code gen for if statements has become inefficient? vm/6502?
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