more work

gemma/src/constants.rs

@@ -15,3 +15,27 @@ pub const CHIP8_KEYBOARD: [[u8; 4]; 4] = [
 pub const SCHIP_VIDEO_HEIGHT: i32 = 64;
 pub const SCHIP_VIDEO_WIDTH: i32 = 128;
 pub const SCHIP_VIDE_MEMORY: usize = (SCHIP_VIDEO_HEIGHT * SCHIP_VIDEO_WIDTH) as usize;
+
+pub const INST_ADDI: &str = "ADDI";
+pub const INST_ADD: &str = "ADD";
+pub const INST_ADDR: &str = "ADDR";
+pub const INST_AND: &str = "AND";
+pub const INST_CLS: &str = "CLS";
+pub const INST_CALL: &str = "CALL";
+pub const INST_DRW: &str = "DRW";
+pub const INST_EXIT: &str = "EXIT";
+pub const INST_JPA: &str = "JPA";
+pub const INST_JPI: &str = "JPI";
+pub const INST_BCD: &str = "BCD";
+pub const INST_LDD: &str = "LDD";
+pub const INST_LDF: &str = "LDF";
+pub const INST_LDF2: &str = "LDF2";
+pub const INST_LDIA: &str = "LDIA";
+pub const INST_LDIX: &str = "LDIX";
+pub const INST_LIDR: &str = "LIDR";
+pub const INST_LIDS: &str = "LIDS";
+pub const INST_LDR: &str = "LDR";
+pub const INST_LDRD: &str = "LDRD";
+pub const INST_LDRI: &str = "LDRI";
+pub const INST_LDRK: &str = "LDRK";
+pub const INST_LDRY: &str = "LDRY";