improved de6502 - needs to write to disk instead of cli

2025-07-09 08:11:49 -04:00
parent 8c08555003
commit a5042383c9
11 changed files with 552 additions and 13 deletions
@@ -21,24 +21,34 @@ fn main() {
    // Fill with 0xea -> NOP
    let mut vec: [u8; SIZE_32KB] = [ISA_OP_NOP; SIZE_32KB];

+    // Load to A
    vec[0] = ISA_OP_LDA_I; // LDA #$ab
    vec[1] = 0b1010_1011; //      1010 1011
+    // Jump to rotate cycle
    vec[2] = 0x02; // --
    vec[3] = 0x03; // --

+    // Jump to Main
+    vec[0x2210] = ISA_OP_JMP_ABS;
+    vec[0x2211] = 0x00;
+    vec[0x2212] = 0x40;
+
+    // load to a
    vec[0x4000] = ISA_OP_LDA_I;
    vec[0x4001] = 0b0101_0100;
+    // jump to top of load to a
    vec[0x4002] = ISA_OP_JMP_ABS;
    vec[0x4003] = 0x00;
    vec[0x4004] = 0x40;
    vec[0x4005] = ISA_OP_NOP;

+    vec[0x7ffa] = 0x22; // NMI Vector
+    vec[0x7ffb] = 0x11;
    vec[0x7ffc] = 0x12; // Reset Vector
    vec[0x7ffd] = 0x34;
    vec[0x7ffe] = 0x43; // Interrupt Vector
    vec[0x7fff] = 0x21;

-
    vec = le_swap(&vec);

    // write the rom to disk