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raxracks 2024-01-27 14:13:33 +13:00
parent 12f7acaa7f
commit 86384b76a3
6 changed files with 37 additions and 11 deletions
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BIN
emulator
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7
emulator.c
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@ -44,6 +44,13 @@ int main(int argc, char** argv) {
printf("%d: 0x%02X (h_nib: 0x%X, l_nib: 0x%X)\n", cpu.PC, opcode, h_nib, l_nib); printf("%d: 0x%02X (h_nib: 0x%X, l_nib: 0x%X)\n", cpu.PC, opcode, h_nib, l_nib);
switch(h_nib) { switch(h_nib) {
case 0x0:
switch(l_nib) {
case 0x0:
printf("%c", cpu.A);
break;
}
break;
case 0x8: case 0x8:
switch(l_nib) { switch(l_nib) {
case 0x1: case 0x1:

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hello
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32
hello.asm
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@ -1,5 +1,27 @@
LDY #%00000100 LDX #0
LDX #$5 LDA hello, X
STY $10 BRK
STY $10, X INX
STY $1000 LDA hello, X
BRK
INX
LDA hello, X
BRK
INX
LDA hello, X
BRK
INX
LDA hello, X
BRK
INX
LDA hello, X
BRK
INX
LDA hello, X
BRK
INX
LDA hello, X
BRK
.DATA
hello: .byte "hello\n", 0

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hello.o
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9
temp.asm
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@ -1,6 +1,3 @@
LDA hello, X LDA #10
INX LDX #$10
LDA hello, X LDY #%10
.DATA
hello: .byte "hello world", 0